title: [Diagnostic image (169). A man with a painful swelling on the hand].
abstract: A 29-year-old man presented with a painful swelling on his right hand, which was caused by a carpal boss on the second and third carpometacarpal joint.
authors.affiliation: Leids Universitair Medisch Centrum, afd. Heelkunde, Leiden. lottevanbeers@hotmail.com
authors.forename: L K
authors.initials: LK
authors.lastname: van Beers
authors.forename: M W G A
authors.initials: MW
authors.lastname: Bronkhorst
mesh_terms: D000328:Adult; D044963:Biopsy, Fine-Needle; D050824:Carpal Joints / Q000000981:diagnostic imaging / Q000473:pathology*; D005096:Exostoses / Q000000981:diagnostic imaging* / Q000473:pathology*; D006801:Humans; D008297:Male; D011859:Radiography