702441001: Fatal X-linked ataxia with deafness and loss of vision (disorder)

• SNOMED CT Concept\Clinical finding (finding)\...
• \Mental state, behavior and/or psychosocial function finding (finding)\Behavior finding\Intellectual disability\Syndrome with characteristics of intellectual deficit, early-onset hypotonia, ataxia, delayed motor development, hearing impairment and loss of vision due to optic atrophy. Other manifestations included floppiness, susceptibility to infections and later flaccid tetraplegia and areflexia. It is caused by missense mutations in the phosphoribosyl pyrophosphate synthetase 1 gene (PRPS1) localized to Xq22.1-q24, leading to impaired purine biosynthesis. Transmitted as an X-linked recessive trait. The disease has a fatal course during childhood (the majority of patients die before the age of 5 years) due to the high susceptibility of the patients to infections, especially of the upper respiratory tract.
• \Finding related to coordination / incoordination (finding)\Ataxia\Hereditary ataxia (disorder)\Syndrome with characteristics of intellectual deficit, early-onset hypotonia, ataxia, delayed motor development, hearing impairment and loss of vision due to optic atrophy. Other manifestations included floppiness, susceptibility to infections and later flaccid tetraplegia and areflexia. It is caused by missense mutations in the phosphoribosyl pyrophosphate synthetase 1 gene (PRPS1) localized to Xq22.1-q24, leading to impaired purine biosynthesis. Transmitted as an X-linked recessive trait. The disease has a fatal course during childhood (the majority of patients die before the age of 5 years) due to the high susceptibility of the patients to infections, especially of the upper respiratory tract.
• \Central nervous system finding\Disorder of the central nervous system (disorder)\...
• \Degenerative disease of the central nervous system\Hereditary degenerative disease of central nervous system (disorder)\Hereditary optic atrophy\Syndrome with characteristics of intellectual deficit, early-onset hypotonia, ataxia, delayed motor development, hearing impairment and loss of vision due to optic atrophy. Other manifestations included floppiness, susceptibility to infections and later flaccid tetraplegia and areflexia. It is caused by missense mutations in the phosphoribosyl pyrophosphate synthetase 1 gene (PRPS1) localized to Xq22.1-q24, leading to impaired purine biosynthesis. Transmitted as an X-linked recessive trait. The disease has a fatal course during childhood (the majority of patients die before the age of 5 years) due to the high susceptibility of the patients to infections, especially of the upper respiratory tract.
• \Degenerative disease of the central nervous system\Optic atrophy\Primary optic atrophy\Hereditary optic atrophy\Syndrome with characteristics of intellectual deficit, early-onset hypotonia, ataxia, delayed motor development, hearing impairment and loss of vision due to optic atrophy. Other manifestations included floppiness, susceptibility to infections and later flaccid tetraplegia and areflexia. It is caused by missense mutations in the phosphoribosyl pyrophosphate synthetase 1 gene (PRPS1) localized to Xq22.1-q24, leading to impaired purine biosynthesis. Transmitted as an X-linked recessive trait. The disease has a fatal course during childhood (the majority of patients die before the age of 5 years) due to the high susceptibility of the patients to infections, especially of the upper respiratory tract.
• \Disorder of visual pathways\Disorder of optic nerve\...
• \Inherited optic neuropathy\Hereditary optic atrophy\Syndrome with characteristics of intellectual deficit, early-onset hypotonia, ataxia, delayed motor development, hearing impairment and loss of vision due to optic atrophy. Other manifestations included floppiness, susceptibility to infections and later flaccid tetraplegia and areflexia. It is caused by missense mutations in the phosphoribosyl pyrophosphate synthetase 1 gene (PRPS1) localized to Xq22.1-q24, leading to impaired purine biosynthesis. Transmitted as an X-linked recessive trait. The disease has a fatal course during childhood (the majority of patients die before the age of 5 years) due to the high susceptibility of the patients to infections, especially of the upper respiratory tract.
• \Optic atrophy\Primary optic atrophy\Hereditary optic atrophy\Syndrome with characteristics of intellectual deficit, early-onset hypotonia, ataxia, delayed motor development, hearing impairment and loss of vision due to optic atrophy. Other manifestations included floppiness, susceptibility to infections and later flaccid tetraplegia and areflexia. It is caused by missense mutations in the phosphoribosyl pyrophosphate synthetase 1 gene (PRPS1) localized to Xq22.1-q24, leading to impaired purine biosynthesis. Transmitted as an X-linked recessive trait. The disease has a fatal course during childhood (the majority of patients die before the age of 5 years) due to the high susceptibility of the patients to infections, especially of the upper respiratory tract.
• \Ear and auditory finding\Disorder of auditory system\Auditory system hereditary disorder\Syndrome with characteristics of intellectual deficit, early-onset hypotonia, ataxia, delayed motor development, hearing impairment and loss of vision due to optic atrophy. Other manifestations included floppiness, susceptibility to infections and later flaccid tetraplegia and areflexia. It is caused by missense mutations in the phosphoribosyl pyrophosphate synthetase 1 gene (PRPS1) localized to Xq22.1-q24, leading to impaired purine biosynthesis. Transmitted as an X-linked recessive trait. The disease has a fatal course during childhood (the majority of patients die before the age of 5 years) due to the high susceptibility of the patients to infections, especially of the upper respiratory tract.
• \Ear and auditory finding\Disorder of auditory system\Hearing disorder\Hearing loss\Syndrome with characteristics of intellectual deficit, early-onset hypotonia, ataxia, delayed motor development, hearing impairment and loss of vision due to optic atrophy. Other manifestations included floppiness, susceptibility to infections and later flaccid tetraplegia and areflexia. It is caused by missense mutations in the phosphoribosyl pyrophosphate synthetase 1 gene (PRPS1) localized to Xq22.1-q24, leading to impaired purine biosynthesis. Transmitted as an X-linked recessive trait. The disease has a fatal course during childhood (the majority of patients die before the age of 5 years) due to the high susceptibility of the patients to infections, especially of the upper respiratory tract.
• \Ear and auditory finding\Hearing finding\Hearing disorder\Hearing loss\Syndrome with characteristics of intellectual deficit, early-onset hypotonia, ataxia, delayed motor development, hearing impairment and loss of vision due to optic atrophy. Other manifestations included floppiness, susceptibility to infections and later flaccid tetraplegia and areflexia. It is caused by missense mutations in the phosphoribosyl pyrophosphate synthetase 1 gene (PRPS1) localized to Xq22.1-q24, leading to impaired purine biosynthesis. Transmitted as an X-linked recessive trait. The disease has a fatal course during childhood (the majority of patients die before the age of 5 years) due to the high susceptibility of the patients to infections, especially of the upper respiratory tract.
• \Eye / vision finding\Visual system disorder\...
• \Hereditary disorder of the visual system\Inherited optic neuropathy\Hereditary optic atrophy\Syndrome with characteristics of intellectual deficit, early-onset hypotonia, ataxia, delayed motor development, hearing impairment and loss of vision due to optic atrophy. Other manifestations included floppiness, susceptibility to infections and later flaccid tetraplegia and areflexia. It is caused by missense mutations in the phosphoribosyl pyrophosphate synthetase 1 gene (PRPS1) localized to Xq22.1-q24, leading to impaired purine biosynthesis. Transmitted as an X-linked recessive trait. The disease has a fatal course during childhood (the majority of patients die before the age of 5 years) due to the high susceptibility of the patients to infections, especially of the upper respiratory tract.
• \Disorder of visual pathways\Disorder of optic nerve\...
• \Inherited optic neuropathy\Hereditary optic atrophy\Syndrome with characteristics of intellectual deficit, early-onset hypotonia, ataxia, delayed motor development, hearing impairment and loss of vision due to optic atrophy. Other manifestations included floppiness, susceptibility to infections and later flaccid tetraplegia and areflexia. It is caused by missense mutations in the phosphoribosyl pyrophosphate synthetase 1 gene (PRPS1) localized to Xq22.1-q24, leading to impaired purine biosynthesis. Transmitted as an X-linked recessive trait. The disease has a fatal course during childhood (the majority of patients die before the age of 5 years) due to the high susceptibility of the patients to infections, especially of the upper respiratory tract.
• \Optic atrophy\Primary optic atrophy\Hereditary optic atrophy\Syndrome with characteristics of intellectual deficit, early-onset hypotonia, ataxia, delayed motor development, hearing impairment and loss of vision due to optic atrophy. Other manifestations included floppiness, susceptibility to infections and later flaccid tetraplegia and areflexia. It is caused by missense mutations in the phosphoribosyl pyrophosphate synthetase 1 gene (PRPS1) localized to Xq22.1-q24, leading to impaired purine biosynthesis. Transmitted as an X-linked recessive trait. The disease has a fatal course during childhood (the majority of patients die before the age of 5 years) due to the high susceptibility of the patients to infections, especially of the upper respiratory tract.
• \Functional finding\Cognitive function finding (finding)\Impaired cognition (finding)\Intellectual disability\Syndrome with characteristics of intellectual deficit, early-onset hypotonia, ataxia, delayed motor development, hearing impairment and loss of vision due to optic atrophy. Other manifestations included floppiness, susceptibility to infections and later flaccid tetraplegia and areflexia. It is caused by missense mutations in the phosphoribosyl pyrophosphate synthetase 1 gene (PRPS1) localized to Xq22.1-q24, leading to impaired purine biosynthesis. Transmitted as an X-linked recessive trait. The disease has a fatal course during childhood (the majority of patients die before the age of 5 years) due to the high susceptibility of the patients to infections, especially of the upper respiratory tract.
• \Functional finding\Cognitive function finding (finding)\Intellectual ability - finding\Intellectual disability\Syndrome with characteristics of intellectual deficit, early-onset hypotonia, ataxia, delayed motor development, hearing impairment and loss of vision due to optic atrophy. Other manifestations included floppiness, susceptibility to infections and later flaccid tetraplegia and areflexia. It is caused by missense mutations in the phosphoribosyl pyrophosphate synthetase 1 gene (PRPS1) localized to Xq22.1-q24, leading to impaired purine biosynthesis. Transmitted as an X-linked recessive trait. The disease has a fatal course during childhood (the majority of patients die before the age of 5 years) due to the high susceptibility of the patients to infections, especially of the upper respiratory tract.
• \Functional finding\Hearing finding\Hearing disorder\Hearing loss\Syndrome with characteristics of intellectual deficit, early-onset hypotonia, ataxia, delayed motor development, hearing impairment and loss of vision due to optic atrophy. Other manifestations included floppiness, susceptibility to infections and later flaccid tetraplegia and areflexia. It is caused by missense mutations in the phosphoribosyl pyrophosphate synthetase 1 gene (PRPS1) localized to Xq22.1-q24, leading to impaired purine biosynthesis. Transmitted as an X-linked recessive trait. The disease has a fatal course during childhood (the majority of patients die before the age of 5 years) due to the high susceptibility of the patients to infections, especially of the upper respiratory tract.
• \Functional finding\Intelligence finding\Intellectual ability - finding\Intellectual disability\Syndrome with characteristics of intellectual deficit, early-onset hypotonia, ataxia, delayed motor development, hearing impairment and loss of vision due to optic atrophy. Other manifestations included floppiness, susceptibility to infections and later flaccid tetraplegia and areflexia. It is caused by missense mutations in the phosphoribosyl pyrophosphate synthetase 1 gene (PRPS1) localized to Xq22.1-q24, leading to impaired purine biosynthesis. Transmitted as an X-linked recessive trait. The disease has a fatal course during childhood (the majority of patients die before the age of 5 years) due to the high susceptibility of the patients to infections, especially of the upper respiratory tract.
• \Disease\Genetic disease\Hereditary disease\Hereditary disorder by system\Hereditary disorder of the visual system\Inherited optic neuropathy\Hereditary optic atrophy\Syndrome with characteristics of intellectual deficit, early-onset hypotonia, ataxia, delayed motor development, hearing impairment and loss of vision due to optic atrophy. Other manifestations included floppiness, susceptibility to infections and later flaccid tetraplegia and areflexia. It is caused by missense mutations in the phosphoribosyl pyrophosphate synthetase 1 gene (PRPS1) localized to Xq22.1-q24, leading to impaired purine biosynthesis. Transmitted as an X-linked recessive trait. The disease has a fatal course during childhood (the majority of patients die before the age of 5 years) due to the high susceptibility of the patients to infections, especially of the upper respiratory tract.
• \Disease\Genetic disease\Hereditary disease\Hereditary disorder by system\Hereditary disorder of nervous system\Hereditary ataxia (disorder)\Syndrome with characteristics of intellectual deficit, early-onset hypotonia, ataxia, delayed motor development, hearing impairment and loss of vision due to optic atrophy. Other manifestations included floppiness, susceptibility to infections and later flaccid tetraplegia and areflexia. It is caused by missense mutations in the phosphoribosyl pyrophosphate synthetase 1 gene (PRPS1) localized to Xq22.1-q24, leading to impaired purine biosynthesis. Transmitted as an X-linked recessive trait. The disease has a fatal course during childhood (the majority of patients die before the age of 5 years) due to the high susceptibility of the patients to infections, especially of the upper respiratory tract.
• \Disease\Genetic disease\Hereditary disease\Hereditary disorder by system\Hereditary disorder of nervous system\Inherited optic neuropathy\Hereditary optic atrophy\Syndrome with characteristics of intellectual deficit, early-onset hypotonia, ataxia, delayed motor development, hearing impairment and loss of vision due to optic atrophy. Other manifestations included floppiness, susceptibility to infections and later flaccid tetraplegia and areflexia. It is caused by missense mutations in the phosphoribosyl pyrophosphate synthetase 1 gene (PRPS1) localized to Xq22.1-q24, leading to impaired purine biosynthesis. Transmitted as an X-linked recessive trait. The disease has a fatal course during childhood (the majority of patients die before the age of 5 years) due to the high susceptibility of the patients to infections, especially of the upper respiratory tract.
• \Disease\Genetic disease\Hereditary disease\Hereditary disorder by system\Hereditary disorder of nervous system\Hereditary degenerative disease of central nervous system (disorder)\Hereditary optic atrophy\Syndrome with characteristics of intellectual deficit, early-onset hypotonia, ataxia, delayed motor development, hearing impairment and loss of vision due to optic atrophy. Other manifestations included floppiness, susceptibility to infections and later flaccid tetraplegia and areflexia. It is caused by missense mutations in the phosphoribosyl pyrophosphate synthetase 1 gene (PRPS1) localized to Xq22.1-q24, leading to impaired purine biosynthesis. Transmitted as an X-linked recessive trait. The disease has a fatal course during childhood (the majority of patients die before the age of 5 years) due to the high susceptibility of the patients to infections, especially of the upper respiratory tract.
• \Disease\Genetic disease\Hereditary disease\Hereditary disorder by system\Auditory system hereditary disorder\Syndrome with characteristics of intellectual deficit, early-onset hypotonia, ataxia, delayed motor development, hearing impairment and loss of vision due to optic atrophy. Other manifestations included floppiness, susceptibility to infections and later flaccid tetraplegia and areflexia. It is caused by missense mutations in the phosphoribosyl pyrophosphate synthetase 1 gene (PRPS1) localized to Xq22.1-q24, leading to impaired purine biosynthesis. Transmitted as an X-linked recessive trait. The disease has a fatal course during childhood (the majority of patients die before the age of 5 years) due to the high susceptibility of the patients to infections, especially of the upper respiratory tract.
• \Disease\Genetic disease\Hereditary disease\Developmental hereditary disorder\Syndrome with characteristics of intellectual deficit, early-onset hypotonia, ataxia, delayed motor development, hearing impairment and loss of vision due to optic atrophy. Other manifestations included floppiness, susceptibility to infections and later flaccid tetraplegia and areflexia. It is caused by missense mutations in the phosphoribosyl pyrophosphate synthetase 1 gene (PRPS1) localized to Xq22.1-q24, leading to impaired purine biosynthesis. Transmitted as an X-linked recessive trait. The disease has a fatal course during childhood (the majority of patients die before the age of 5 years) due to the high susceptibility of the patients to infections, especially of the upper respiratory tract.
• \Disease\Genetic disease\Hereditary disease\Sex-linked hereditary disorder\X-linked hereditary disease (disorder)\X-linked recessive hereditary disease\Syndrome with characteristics of intellectual deficit, early-onset hypotonia, ataxia, delayed motor development, hearing impairment and loss of vision due to optic atrophy. Other manifestations included floppiness, susceptibility to infections and later flaccid tetraplegia and areflexia. It is caused by missense mutations in the phosphoribosyl pyrophosphate synthetase 1 gene (PRPS1) localized to Xq22.1-q24, leading to impaired purine biosynthesis. Transmitted as an X-linked recessive trait. The disease has a fatal course during childhood (the majority of patients die before the age of 5 years) due to the high susceptibility of the patients to infections, especially of the upper respiratory tract.
• \Disease\Degenerative disorder\Degenerative disease of the central nervous system\Hereditary degenerative disease of central nervous system (disorder)\Hereditary optic atrophy\Syndrome with characteristics of intellectual deficit, early-onset hypotonia, ataxia, delayed motor development, hearing impairment and loss of vision due to optic atrophy. Other manifestations included floppiness, susceptibility to infections and later flaccid tetraplegia and areflexia. It is caused by missense mutations in the phosphoribosyl pyrophosphate synthetase 1 gene (PRPS1) localized to Xq22.1-q24, leading to impaired purine biosynthesis. Transmitted as an X-linked recessive trait. The disease has a fatal course during childhood (the majority of patients die before the age of 5 years) due to the high susceptibility of the patients to infections, especially of the upper respiratory tract.
• \Disease\Degenerative disorder\Degenerative disease of the central nervous system\Optic atrophy\Primary optic atrophy\Hereditary optic atrophy\Syndrome with characteristics of intellectual deficit, early-onset hypotonia, ataxia, delayed motor development, hearing impairment and loss of vision due to optic atrophy. Other manifestations included floppiness, susceptibility to infections and later flaccid tetraplegia and areflexia. It is caused by missense mutations in the phosphoribosyl pyrophosphate synthetase 1 gene (PRPS1) localized to Xq22.1-q24, leading to impaired purine biosynthesis. Transmitted as an X-linked recessive trait. The disease has a fatal course during childhood (the majority of patients die before the age of 5 years) due to the high susceptibility of the patients to infections, especially of the upper respiratory tract.
• \Disease\Disorder of body system\Hereditary disorder by system\Hereditary disorder of the visual system\Inherited optic neuropathy\Hereditary optic atrophy\Syndrome with characteristics of intellectual deficit, early-onset hypotonia, ataxia, delayed motor development, hearing impairment and loss of vision due to optic atrophy. Other manifestations included floppiness, susceptibility to infections and later flaccid tetraplegia and areflexia. It is caused by missense mutations in the phosphoribosyl pyrophosphate synthetase 1 gene (PRPS1) localized to Xq22.1-q24, leading to impaired purine biosynthesis. Transmitted as an X-linked recessive trait. The disease has a fatal course during childhood (the majority of patients die before the age of 5 years) due to the high susceptibility of the patients to infections, especially of the upper respiratory tract.
• \Disease\Disorder of body system\Hereditary disorder by system\Hereditary disorder of nervous system\Hereditary ataxia (disorder)\Syndrome with characteristics of intellectual deficit, early-onset hypotonia, ataxia, delayed motor development, hearing impairment and loss of vision due to optic atrophy. Other manifestations included floppiness, susceptibility to infections and later flaccid tetraplegia and areflexia. It is caused by missense mutations in the phosphoribosyl pyrophosphate synthetase 1 gene (PRPS1) localized to Xq22.1-q24, leading to impaired purine biosynthesis. Transmitted as an X-linked recessive trait. The disease has a fatal course during childhood (the majority of patients die before the age of 5 years) due to the high susceptibility of the patients to infections, especially of the upper respiratory tract.
• \Disease\Disorder of body system\Hereditary disorder by system\Hereditary disorder of nervous system\Inherited optic neuropathy\Hereditary optic atrophy\Syndrome with characteristics of intellectual deficit, early-onset hypotonia, ataxia, delayed motor development, hearing impairment and loss of vision due to optic atrophy. Other manifestations included floppiness, susceptibility to infections and later flaccid tetraplegia and areflexia. It is caused by missense mutations in the phosphoribosyl pyrophosphate synthetase 1 gene (PRPS1) localized to Xq22.1-q24, leading to impaired purine biosynthesis. Transmitted as an X-linked recessive trait. The disease has a fatal course during childhood (the majority of patients die before the age of 5 years) due to the high susceptibility of the patients to infections, especially of the upper respiratory tract.
• \Disease\Disorder of body system\Hereditary disorder by system\Hereditary disorder of nervous system\Hereditary degenerative disease of central nervous system (disorder)\Hereditary optic atrophy\Syndrome with characteristics of intellectual deficit, early-onset hypotonia, ataxia, delayed motor development, hearing impairment and loss of vision due to optic atrophy. Other manifestations included floppiness, susceptibility to infections and later flaccid tetraplegia and areflexia. It is caused by missense mutations in the phosphoribosyl pyrophosphate synthetase 1 gene (PRPS1) localized to Xq22.1-q24, leading to impaired purine biosynthesis. Transmitted as an X-linked recessive trait. The disease has a fatal course during childhood (the majority of patients die before the age of 5 years) due to the high susceptibility of the patients to infections, especially of the upper respiratory tract.
• \Disease\Disorder of body system\Hereditary disorder by system\Auditory system hereditary disorder\Syndrome with characteristics of intellectual deficit, early-onset hypotonia, ataxia, delayed motor development, hearing impairment and loss of vision due to optic atrophy. Other manifestations included floppiness, susceptibility to infections and later flaccid tetraplegia and areflexia. It is caused by missense mutations in the phosphoribosyl pyrophosphate synthetase 1 gene (PRPS1) localized to Xq22.1-q24, leading to impaired purine biosynthesis. Transmitted as an X-linked recessive trait. The disease has a fatal course during childhood (the majority of patients die before the age of 5 years) due to the high susceptibility of the patients to infections, especially of the upper respiratory tract.
• \Disease\Disorder of body system\Disorder of auditory system\Auditory system hereditary disorder\Syndrome with characteristics of intellectual deficit, early-onset hypotonia, ataxia, delayed motor development, hearing impairment and loss of vision due to optic atrophy. Other manifestations included floppiness, susceptibility to infections and later flaccid tetraplegia and areflexia. It is caused by missense mutations in the phosphoribosyl pyrophosphate synthetase 1 gene (PRPS1) localized to Xq22.1-q24, leading to impaired purine biosynthesis. Transmitted as an X-linked recessive trait. The disease has a fatal course during childhood (the majority of patients die before the age of 5 years) due to the high susceptibility of the patients to infections, especially of the upper respiratory tract.
• \Disease\Disorder of body system\Disorder of auditory system\Hearing disorder\Hearing loss\Syndrome with characteristics of intellectual deficit, early-onset hypotonia, ataxia, delayed motor development, hearing impairment and loss of vision due to optic atrophy. Other manifestations included floppiness, susceptibility to infections and later flaccid tetraplegia and areflexia. It is caused by missense mutations in the phosphoribosyl pyrophosphate synthetase 1 gene (PRPS1) localized to Xq22.1-q24, leading to impaired purine biosynthesis. Transmitted as an X-linked recessive trait. The disease has a fatal course during childhood (the majority of patients die before the age of 5 years) due to the high susceptibility of the patients to infections, especially of the upper respiratory tract.
• \Disease\Disorder of body system\Visual system disorder\Hereditary disorder of the visual system\Inherited optic neuropathy\Hereditary optic atrophy\Syndrome with characteristics of intellectual deficit, early-onset hypotonia, ataxia, delayed motor development, hearing impairment and loss of vision due to optic atrophy. Other manifestations included floppiness, susceptibility to infections and later flaccid tetraplegia and areflexia. It is caused by missense mutations in the phosphoribosyl pyrophosphate synthetase 1 gene (PRPS1) localized to Xq22.1-q24, leading to impaired purine biosynthesis. Transmitted as an X-linked recessive trait. The disease has a fatal course during childhood (the majority of patients die before the age of 5 years) due to the high susceptibility of the patients to infections, especially of the upper respiratory tract.
• \Disease\Disorder of body system\Visual system disorder\Disorder of visual pathways\Disorder of optic nerve\Inherited optic neuropathy\Hereditary optic atrophy\Syndrome with characteristics of intellectual deficit, early-onset hypotonia, ataxia, delayed motor development, hearing impairment and loss of vision due to optic atrophy. Other manifestations included floppiness, susceptibility to infections and later flaccid tetraplegia and areflexia. It is caused by missense mutations in the phosphoribosyl pyrophosphate synthetase 1 gene (PRPS1) localized to Xq22.1-q24, leading to impaired purine biosynthesis. Transmitted as an X-linked recessive trait. The disease has a fatal course during childhood (the majority of patients die before the age of 5 years) due to the high susceptibility of the patients to infections, especially of the upper respiratory tract.
• \Disease\Disorder of body system\Visual system disorder\Disorder of visual pathways\Disorder of optic nerve\Optic atrophy\Primary optic atrophy\Hereditary optic atrophy\Syndrome with characteristics of intellectual deficit, early-onset hypotonia, ataxia, delayed motor development, hearing impairment and loss of vision due to optic atrophy. Other manifestations included floppiness, susceptibility to infections and later flaccid tetraplegia and areflexia. It is caused by missense mutations in the phosphoribosyl pyrophosphate synthetase 1 gene (PRPS1) localized to Xq22.1-q24, leading to impaired purine biosynthesis. Transmitted as an X-linked recessive trait. The disease has a fatal course during childhood (the majority of patients die before the age of 5 years) due to the high susceptibility of the patients to infections, especially of the upper respiratory tract.
• \Disease\Disorder of body system\Disorder of nervous system (disorder)\Neuropathy (disorder)\Cranial nerve disorder (disorder)\Disorder of optic nerve\Inherited optic neuropathy\Hereditary optic atrophy\Syndrome with characteristics of intellectual deficit, early-onset hypotonia, ataxia, delayed motor development, hearing impairment and loss of vision due to optic atrophy. Other manifestations included floppiness, susceptibility to infections and later flaccid tetraplegia and areflexia. It is caused by missense mutations in the phosphoribosyl pyrophosphate synthetase 1 gene (PRPS1) localized to Xq22.1-q24, leading to impaired purine biosynthesis. Transmitted as an X-linked recessive trait. The disease has a fatal course during childhood (the majority of patients die before the age of 5 years) due to the high susceptibility of the patients to infections, especially of the upper respiratory tract.
• \Disease\Disorder of body system\Disorder of nervous system (disorder)\Neuropathy (disorder)\Cranial nerve disorder (disorder)\Disorder of optic nerve\Optic atrophy\Primary optic atrophy\Hereditary optic atrophy\Syndrome with characteristics of intellectual deficit, early-onset hypotonia, ataxia, delayed motor development, hearing impairment and loss of vision due to optic atrophy. Other manifestations included floppiness, susceptibility to infections and later flaccid tetraplegia and areflexia. It is caused by missense mutations in the phosphoribosyl pyrophosphate synthetase 1 gene (PRPS1) localized to Xq22.1-q24, leading to impaired purine biosynthesis. Transmitted as an X-linked recessive trait. The disease has a fatal course during childhood (the majority of patients die before the age of 5 years) due to the high susceptibility of the patients to infections, especially of the upper respiratory tract.
• \Disease\Disorder of body system\Disorder of nervous system (disorder)\Hereditary disorder of nervous system\Hereditary ataxia (disorder)\Syndrome with characteristics of intellectual deficit, early-onset hypotonia, ataxia, delayed motor development, hearing impairment and loss of vision due to optic atrophy. Other manifestations included floppiness, susceptibility to infections and later flaccid tetraplegia and areflexia. It is caused by missense mutations in the phosphoribosyl pyrophosphate synthetase 1 gene (PRPS1) localized to Xq22.1-q24, leading to impaired purine biosynthesis. Transmitted as an X-linked recessive trait. The disease has a fatal course during childhood (the majority of patients die before the age of 5 years) due to the high susceptibility of the patients to infections, especially of the upper respiratory tract.
• \Disease\Disorder of body system\Disorder of nervous system (disorder)\Hereditary disorder of nervous system\Inherited optic neuropathy\Hereditary optic atrophy\Syndrome with characteristics of intellectual deficit, early-onset hypotonia, ataxia, delayed motor development, hearing impairment and loss of vision due to optic atrophy. Other manifestations included floppiness, susceptibility to infections and later flaccid tetraplegia and areflexia. It is caused by missense mutations in the phosphoribosyl pyrophosphate synthetase 1 gene (PRPS1) localized to Xq22.1-q24, leading to impaired purine biosynthesis. Transmitted as an X-linked recessive trait. The disease has a fatal course during childhood (the majority of patients die before the age of 5 years) due to the high susceptibility of the patients to infections, especially of the upper respiratory tract.
• \Disease\Disorder of body system\Disorder of nervous system (disorder)\Hereditary disorder of nervous system\Hereditary degenerative disease of central nervous system (disorder)\Hereditary optic atrophy\Syndrome with characteristics of intellectual deficit, early-onset hypotonia, ataxia, delayed motor development, hearing impairment and loss of vision due to optic atrophy. Other manifestations included floppiness, susceptibility to infections and later flaccid tetraplegia and areflexia. It is caused by missense mutations in the phosphoribosyl pyrophosphate synthetase 1 gene (PRPS1) localized to Xq22.1-q24, leading to impaired purine biosynthesis. Transmitted as an X-linked recessive trait. The disease has a fatal course during childhood (the majority of patients die before the age of 5 years) due to the high susceptibility of the patients to infections, especially of the upper respiratory tract.
• \Disease\Disorder of body system\Disorder of nervous system (disorder)\Disorder of the central nervous system (disorder)\Degenerative disease of the central nervous system\Hereditary degenerative disease of central nervous system (disorder)\Hereditary optic atrophy\Syndrome with characteristics of intellectual deficit, early-onset hypotonia, ataxia, delayed motor development, hearing impairment and loss of vision due to optic atrophy. Other manifestations included floppiness, susceptibility to infections and later flaccid tetraplegia and areflexia. It is caused by missense mutations in the phosphoribosyl pyrophosphate synthetase 1 gene (PRPS1) localized to Xq22.1-q24, leading to impaired purine biosynthesis. Transmitted as an X-linked recessive trait. The disease has a fatal course during childhood (the majority of patients die before the age of 5 years) due to the high susceptibility of the patients to infections, especially of the upper respiratory tract.
• \Disease\Disorder of body system\Disorder of nervous system (disorder)\Disorder of the central nervous system (disorder)\Degenerative disease of the central nervous system\Optic atrophy\Primary optic atrophy\Hereditary optic atrophy\Syndrome with characteristics of intellectual deficit, early-onset hypotonia, ataxia, delayed motor development, hearing impairment and loss of vision due to optic atrophy. Other manifestations included floppiness, susceptibility to infections and later flaccid tetraplegia and areflexia. It is caused by missense mutations in the phosphoribosyl pyrophosphate synthetase 1 gene (PRPS1) localized to Xq22.1-q24, leading to impaired purine biosynthesis. Transmitted as an X-linked recessive trait. The disease has a fatal course during childhood (the majority of patients die before the age of 5 years) due to the high susceptibility of the patients to infections, especially of the upper respiratory tract.
• \Disease\Disorder of body system\Disorder of nervous system (disorder)\Disorder of the central nervous system (disorder)\Disorder of visual pathways\Disorder of optic nerve\Inherited optic neuropathy\Hereditary optic atrophy\Syndrome with characteristics of intellectual deficit, early-onset hypotonia, ataxia, delayed motor development, hearing impairment and loss of vision due to optic atrophy. Other manifestations included floppiness, susceptibility to infections and later flaccid tetraplegia and areflexia. It is caused by missense mutations in the phosphoribosyl pyrophosphate synthetase 1 gene (PRPS1) localized to Xq22.1-q24, leading to impaired purine biosynthesis. Transmitted as an X-linked recessive trait. The disease has a fatal course during childhood (the majority of patients die before the age of 5 years) due to the high susceptibility of the patients to infections, especially of the upper respiratory tract.
• \Disease\Disorder of body system\Disorder of nervous system (disorder)\Disorder of the central nervous system (disorder)\Disorder of visual pathways\Disorder of optic nerve\Optic atrophy\Primary optic atrophy\Hereditary optic atrophy\Syndrome with characteristics of intellectual deficit, early-onset hypotonia, ataxia, delayed motor development, hearing impairment and loss of vision due to optic atrophy. Other manifestations included floppiness, susceptibility to infections and later flaccid tetraplegia and areflexia. It is caused by missense mutations in the phosphoribosyl pyrophosphate synthetase 1 gene (PRPS1) localized to Xq22.1-q24, leading to impaired purine biosynthesis. Transmitted as an X-linked recessive trait. The disease has a fatal course during childhood (the majority of patients die before the age of 5 years) due to the high susceptibility of the patients to infections, especially of the upper respiratory tract.
• \Disease\Developmental disorder\Neurodevelopmental disorder is a behavioral and cognitive disorder with onset during the developmental period that involves impaired or aberrant development of intellectual, motor, or social functions.\Intellectual disability\Syndrome with characteristics of intellectual deficit, early-onset hypotonia, ataxia, delayed motor development, hearing impairment and loss of vision due to optic atrophy. Other manifestations included floppiness, susceptibility to infections and later flaccid tetraplegia and areflexia. It is caused by missense mutations in the phosphoribosyl pyrophosphate synthetase 1 gene (PRPS1) localized to Xq22.1-q24, leading to impaired purine biosynthesis. Transmitted as an X-linked recessive trait. The disease has a fatal course during childhood (the majority of patients die before the age of 5 years) due to the high susceptibility of the patients to infections, especially of the upper respiratory tract.
• \Disease\Developmental disorder\Developmental hereditary disorder\Syndrome with characteristics of intellectual deficit, early-onset hypotonia, ataxia, delayed motor development, hearing impairment and loss of vision due to optic atrophy. Other manifestations included floppiness, susceptibility to infections and later flaccid tetraplegia and areflexia. It is caused by missense mutations in the phosphoribosyl pyrophosphate synthetase 1 gene (PRPS1) localized to Xq22.1-q24, leading to impaired purine biosynthesis. Transmitted as an X-linked recessive trait. The disease has a fatal course during childhood (the majority of patients die before the age of 5 years) due to the high susceptibility of the patients to infections, especially of the upper respiratory tract.

Status: current, Not sufficiently defined by necessary conditions definition status (core metadata concept). Date: 31-Jul 2014. Module: SNOMED CT core

Descriptions:

Id	Description	Lang	Type	Status	Case?	Module
3776948017	Syndrome with characteristics of intellectual deficit, early-onset hypotonia, ataxia, delayed motor development, hearing impairment and loss of vision due to optic atrophy. Other manifestations included floppiness, susceptibility to infections and later flaccid tetraplegia and areflexia. It is caused by missense mutations in the phosphoribosyl pyrophosphate synthetase 1 gene (PRPS1) localized to Xq22.1-q24, leading to impaired purine biosynthesis. Transmitted as an X-linked recessive trait. The disease has a fatal course during childhood (the majority of patients die before the age of 5 years) due to the high susceptibility of the patients to infections, especially of the upper respiratory tract.	en	Definition	Active	Entire term case sensitive (core metadata concept)	SNOMED CT core
3777438018	Syndrome with characteristics of intellectual deficit, early-onset hypotonia, ataxia, delayed motor development, hearing impairment and loss of vision due to optic atrophy. Other manifestations included floppiness, susceptibility to infections and later flaccid tetraplegia and areflexia. It is caused by missense mutations in the phosphoribosyl pyrophosphate synthetase 1 gene (PRPS1) localised to Xq22.1-q24, leading to impaired purine biosynthesis. Transmitted as an X-linked recessive trait. The disease has a fatal course during childhood (the majority of patients die before the age of 5 years) due to the high susceptibility of the patients to infections, especially of the upper respiratory tract.	en	Definition	Active	Entire term case sensitive (core metadata concept)	SNOMED CT core
2995163018	Lethal ataxia-deafness-optic atrophy	en	Synonym (core metadata concept)	Active	Entire term case insensitive (core metadata concept)	SNOMED CT core
2995374018	Arts syndrome	en	Synonym (core metadata concept)	Active	Entire term case sensitive (core metadata concept)	SNOMED CT core
3776946018	Fatal X-linked ataxia with deafness and loss of vision (disorder)	en	Fully specified name	Active	Only initial character case insensitive (core metadata concept)	SNOMED CT core
3776947010	Fatal X-linked ataxia with deafness and loss of vision	en	Synonym (core metadata concept)	Active	Only initial character case insensitive (core metadata concept)	SNOMED CT core

Expanded Value Set

This concept is not in any reference sets

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