polyrrhinia https://www.malacards.org/card/polyrrhinia Polyrhinia UMLS:C4274730 Polyrrhinia is an extremely rare, major congenital malformation characterized by complete duplication of the nose resulting in twofully developed noses often associated with choanal atresia, causing respiratory distress and necessitating surgical repair. Orphanet:141091 GARD:0019945 MONDO:0015388 MEDGEN:894825 Double nose icd11.foundation:142812177 SCTID:716279002 otorhinolaryngologic disease