femur-fibula-ulna complex https://github.com/monarch-initiative/mondo/issues/4948 https://github.com/monarch-initiative/mondo/issues/6751 https://www.malacards.org/card/femur_fibula_ulna_syndrome_2 femur-fibula-ulna dysostosis MESH:C537918 Orphanet:2019 MEDGEN:347305 GARD:0002286 UMLS:C1856790 FFU complex MONDO:0009221 OMIM:228200 MedDRA:10068448 icd11.foundation:353892894 PFFD Femur-fibula-ulna (FFU) complex is a non-lethal congenital anomaly of unknown etiology, more frequently reported in males than females, characterized by a highly variable combination of defects of the femur, fibula, and/or ulna, with striking asymmetry, including absence of the proximal part of the femur, absence of the fibula and malformation of the ulnar side of the upper limb. Axial skeleton, internal organs and intellectual function are usually normal. femur fibula ulna syndrome femur-fibula-ulna syndrome dysostosis congenital limb malformation non-syndromic limb reduction defect