Case presentation A 7-year-old boy was presented to an outpatient department with a complaint of gradually worsening pain in his right forearm and wrist for four years. The pain and functional limitations were interfering with his daily activities and schooling. The child and parents noticed no lumps. Patient history He denied having any numbness or tingling sensation in the involved area in the past. There was no family history of malignancies.
Physical examination There was no lump or overlying skin changes, but a moderate tenderness over the distal forearm was observed. Pronation was normal (0-90°), and supination was restricted (0-20°). Radiological examination X-ray: Ring and arc-type calcifications in the distal forearm at the interosseous area, close to the metadiaphyseal region of the ulna, were observed (Cover image). The medial aspect of the distal radius also showed…
