title: Osteoid osteoma of the pisiform.
abstract: Osteoid osteoma of the pisiform seems not to have been previously reported. In both the cases reported in this paper there was diagnostic difficulty and delay. Complete surgical removal of the nidus was curative.
mesh_terms: D001706:Biopsy; D001859:Bone Neoplasms / Q000175:diagnosis / Q000000981:diagnostic imaging / Q000473:pathology; D002348:Carpal Bones / Q000000981:diagnostic imaging / Q000473:pathology / Q000601:surgery; D005260:Female; D006801:Humans; D008297:Male; D008875:Middle Aged; D010017:Osteoma, Osteoid / Q000175:diagnosis / Q000000981:diagnostic imaging / Q000473:pathology; D011859:Radiography