Monarch Disease Ontology id MONDO_0007214 (brachydactyly-preaxial hallux varus syndrome) can be described as follows. Preaxial brachydactyly-hallux varus syndrome is characterized the association of hallux varus with short thumbs and first toes (involving the metacarpals, metatarsals, and distal phalanges; the proximal and middle phalanges are of normal length) and abduction of the affected digits. Also known as: Christian brachydactyly, preaxial brachydactyly with hallux varus and thumb abduction.