title: CT features of reactive periostitis in the humerus: a lesion resembling myositis ossificans.
abstract: A 5-year-old boy with a painful lesion in the proximal humerus is reported. Plain radiographs suggested the presence of a malignant bone lesion, and CT showed features similar to stress fractures. Pathologically, the changes were that of reactive periostitis.
mesh_terms: D002675:Child, Preschool; D003937:Diagnosis, Differential; D006801:Humans; D006811:Humerus / Q000000981:diagnostic imaging*; D008297:Male; D009221:Myositis Ossificans / Q000000981:diagnostic imaging*; D010522:Periostitis / Q000000981:diagnostic imaging*; D014057:Tomography, X-Ray Computed