title: Anomalous abductor pollicis longus insertion in the thenar muscles.
abstract: Abnormal insertion of an abductor pollicis longus slip into an anomalous thenar muscle was observed during reconstruction of the carpometacarpal joint of the thumb in two patients. The anomalous thenar muscle most probably represents duplication of the abductor pollicis brevis.
authors.affiliation: Orthopaedic Surgery Department, University of Oklahoma Health Sciences Center, Oklahoma City.
authors.forename: G M
authors.initials: GM
authors.lastname: Rayan
authors.forename: E
authors.initials: E
authors.lastname: Mustafa
mesh_terms: D000328:Adult; D005260:Female; D006801:Humans; D007593:Joint Instability / Q000209:etiology / Q000601:surgery; D008297:Male; D008875:Middle Aged; D009132:Muscles / Q000002:abnormalities*; D013710:Tendons / Q000002:abnormalities*; D013933:Thumb / Q000002:abnormalities* / Q000601:surgery