hereditary disease humerus trochlea aplasia https://github.com/monarch-initiative/mondo/issues/6877 https://rarediseases.info.nih.gov/diseases/2750/trochlea-of-the-humerus-aplasia-of https://www.malacards.org/card/trochlea_of_the_humerus_aplasia_of_2 UMLS:C1860773 MEDGEN:348185 trochlea of the humerus aplasia of SCTID:732928005 Orphanet:3383 GARD:0002750 MONDO:0008611 MESH:C566022 OMIM:191000 Humerus trochlea aplasia is an extremely rare familial bone deformity described only in Japanese patients to date. The deformity is bilateral in nearly half of patients (with bilateral involvement, the condition is symmetrical) and sometimes causes ulnar nerve palsy or cubitus varus. aplasia of trochlea of the humerus dysostosis congenital limb malformation