Unusual congenital anomalies of the thumb extensors. Report of two cases.
A case of rare hereditary anomaly of the extensor tendons of the thumb and a case of congenital duck-neck deformity of the thumb are reported.
D002648:Child; D006801:Humans; D007223:Infant; D008297:Male; D013710:Tendons / Q000002:abnormalities* / Q000601:surgery; D013933:Thumb / Q000002:abnormalities* / Q000601:surgery