syndromic disease hereditary disease ulnar hypoplasia-split foot syndrome https://github.com/monarch-initiative/mondo/issues/6751 https://github.com/monarch-initiative/mondo/issues/6877 https://www.malacards.org/card/ulnar_hypoplasia_with_lobster_claw_deformity_of_feet MEDGEN:333256 ulnar hypoplasia lobster claw deformity of feet ulnar hypoplasia-lobster-claw deformity of feet syndrome MESH:C536936 OMIM:314360 Ulnar hypoplasia-split foot syndrome is characterized by the association of severe ulnar hypoplasia, absence of fingers two to five, and split-foot. It has been described in four males belonging to two generations of the same family. X-linked recessive inheritance is suggested, but autosomal dominant transmission cannot be excluded. Orphanet:1122 familial ulnar aplasia and lobster claw syndrome complete absence of the ulna and of fingers 2 to 5, together with lobster-claw deformity of the feet UMLS:C1839123 Van den Berghe-Dequecker syndrome GARD:0005400 MONDO:0010750 Van De Berghe Dequeker syndrome severe ulnar aplasia and lobster claw feet dysostosis congenital limb malformation