title: A new cause of trigger thumb.
abstract: We report a case of severe painful triggering in the thumb caused by intermittent locking of the interphalangeal joint by a sesamoid bone. The triggering was corrected by excision of the interphalangeal joint sesamoid bone.
authors.affiliation: Division of Plastic Surgery, University of Toronto, Ont, Canada.
authors.forename: M
authors.initials: M
authors.lastname: Brown
authors.forename: R T
authors.initials: RT
authors.lastname: Manktelow
mesh_terms: D000293:Adolescent; D005384:Finger Joint / Q000601:surgery*; D006801:Humans; D008297:Male; D012716:Sesamoid Bones / Q000601:surgery*; D013717:Tenosynovitis / Q000601:surgery; D013933:Thumb / Q000601:surgery*