Status: current, Sufficiently defined by necessary conditions definition status (core metadata concept). Date: 31-Jan 2011. Module: SNOMED CT core
Descriptions:
Inbound Relationships | Type | Active | Source | Characteristic | Refinability | Group |
Congenital stenosis of nasolacrimal duct | Is a | False | Congenital nasolacrimal duct obstruction | Inferred relationship | Some | |
A rare, genetic, otorhinolaryngological malformation characterized by congenital impatency of the nasolacrimal drainage system in various members of a family. Presentation is not specific and may include a uni- or bilateral medial canthal mass, dacryocystitis, nasal obstruction, periorbital cellulitis, and epiphora. Dacryocystocele and lacrimal puncta agenesis may be associated. | Is a | True | Congenital nasolacrimal duct obstruction | Inferred relationship | Some |
Reference Sets
Description inactivation indicator reference set