To the Editor.—
We report a case in which soft-tissue calcinosis was demonstrated with computed tomographic (CT) scanning after unsuccessful visualization with plain roentgenograms.
Report of a Case.—
An 11-year-old black girl with dermatomyositis was treated at the Scott and White Clinic in Temple, Tex, for five years. In the fall of 1981 she had developed proximal muscle weakness, adenopathy, polyarticular arthritis, low-grade fever, and skin lesions consisting of numerous atrophic violaceous papules on the knuckles of both hands (Gottren's papules) and a heliotrope rash of the periorbital region. The diagnosis of dermatomyositis was confirmed with an elevated creatine kinase level of 292 units/L (292 U/L) and a muscle biopsy in January 1982 that showed chronic inflammatory changes and perivascular deposition of IgG. Between January 1982 and June 1983 she was treated with prednisone, 10 to 40 mg/d, with moderate improvement in her muscle weakness.In June 1983 she began