title: Osteoid osteoma of the hallux.
abstract: A case involving a 29-year-old female with aspirin allergy who exhibited osteoid osteoma at the distal phalanx of the hallux is presented. Osteoid osteoma is a relatively rare occurrence in the foot (1). It is a benign bone tumor usually consisting of an oval osteolytic area with a central nidus (2). Pathologic, clinical, and radiographic findings are included.
mesh_terms: D000328:Adult; D001859:Bone Neoplasms / Q000000981:diagnostic imaging / Q000601:surgery*; D003937:Diagnosis, Differential; D005260:Female; D006214:Hallux / Q000000981:diagnostic imaging / Q000601:surgery*; D006801:Humans; D010017:Osteoma, Osteoid / Q000000981:diagnostic imaging / Q000601:surgery*; D011859:Radiography