cysts and fistulae of the face and oral cavity pinnae fistula or cyst https://github.com/monarch-initiative/mondo/issues/5963 https://www.malacards.org/card/pinnae_fistula_or_cyst UMLS:C5680633 MONDO:0015477 A rare otorhinolaryngological disease characterized by the presence of a, usually unilateral, sinus tract or cyst located in the vicinity of the auricle (most frequently identified by a small pit near the anterior margin of the first ascending portion of the helix). Typically, patients are asymptomatic and usually only present symptoms (pain, erythema, discharge from pit) in relation to infection. Renal and inner ear anomalies may be associated. MEDGEN:1842452 GARD:0019974 Orphanet:155838