| Inbound Relationships | Type | Active | Source | Characteristic | Refinability | Group | 
| Entire skin of preauricular region | Is a | True | Skin structure of preauricular region | Inferred relationship | Some |  | 
| Preauricular sinus | Finding site | False | Skin structure of preauricular region | Inferred relationship | Some | 1 | 
| Preauricular fistula | Finding site | False | Skin structure of preauricular region | Inferred relationship | Some | 1 | 
| Preauricular cyst | Finding site | False | Skin structure of preauricular region | Inferred relationship | Some |  | 
| Preauricular dimple | Finding site | True | Skin structure of preauricular region | Inferred relationship | Some | 1 | 
| Accessory tragus of ear | Finding site | False | Skin structure of preauricular region | Inferred relationship | Some |  | 
| Branchial cleft, cyst or fistula; preauricular sinus | Finding site | False | Skin structure of preauricular region | Inferred relationship | Some |  | 
| Preauricular sinus and fistula | Finding site | False | Skin structure of preauricular region | Inferred relationship | Some |  | 
| Fistula of congenital auricle | Finding site | False | Skin structure of preauricular region | Inferred relationship | Some | 1 | 
| cervicoaurale fistel (aandoening) | Finding site | False | Skin structure of preauricular region | Inferred relationship | Some |  | 
| Preauricular sinus, pit or fistula | Finding site | False | Skin structure of preauricular region | Inferred relationship | Some |  | 
| Preauricular sinus or fistula NOS | Finding site | False | Skin structure of preauricular region | Inferred relationship | Some |  | 
| Other and unspecified branchial cleft, cyst or fistula preauricular anomaly | Finding site | False | Skin structure of preauricular region | Inferred relationship | Some |  | 
| Branchial cleft, cyst or fistula preauricular anomaly NOS | Finding site | False | Skin structure of preauricular region | Inferred relationship | Some |  | 
| Abrasion of skin of preauricular region of face | Finding site | False | Skin structure of preauricular region | Inferred relationship | Some | 1 | 
| Basal cell carcinoma of preauricular skin (disorder) | Finding site | True | Skin structure of preauricular region | Inferred relationship | Some | 1 | 
| Abrasion of skin of preauricular region of face | Finding site | True | Skin structure of preauricular region | Inferred relationship | Some | 1 | 
| Partial thickness burn of preauricular region of face (disorder) | Finding site | False | Skin structure of preauricular region | Inferred relationship | Some | 1 | 
| Basal cell carcinoma of preauricular skin (disorder) | Finding site | False | Skin structure of preauricular region | Inferred relationship | Some | 1 | 
| Partial thickness burn of preauricular region of face (disorder) | Finding site | True | Skin structure of preauricular region | Inferred relationship | Some | 1 | 
| Preauricular dimple | Finding site | False | Skin structure of preauricular region | Inferred relationship | Some | 1 | 
| Preauricular dimple | Finding site | False | Skin structure of preauricular region | Inferred relationship | Some | 2 | 
| Preauricular dimple | Finding site | False | Skin structure of preauricular region | Inferred relationship | Some | 3 | 
| Intellectual disability, hypoplastic corpus callosum, preauricular tag syndrome (disorder) | Finding site | True | Skin structure of preauricular region | Inferred relationship | Some | 3 | 
| Intellectual disability, hypoplastic corpus callosum, preauricular tag syndrome (disorder) | Finding site | False | Skin structure of preauricular region | Inferred relationship | Some | 4 | 
| Macrostomia, preauricular tag, external ophthalmoplegia syndrome (disorder) | Finding site | False | Skin structure of preauricular region | Inferred relationship | Some | 4 | 
| Burn of skin of preauricular region | Finding site | True | Skin structure of preauricular region | Inferred relationship | Some | 1 | 
| Epidermal burn of preauricular region of face | Finding site | True | Skin structure of preauricular region | Inferred relationship | Some | 1 | 
| Third degree burn of preauricular region of face | Finding site | False | Skin structure of preauricular region | Inferred relationship | Some | 1 | 
| Macrostomia, preauricular tag, external ophthalmoplegia syndrome (disorder) | Finding site | True | Skin structure of preauricular region | Inferred relationship | Some | 1 |