Ruptured Tendon From Prednisone Therapy

September 14, 2005
David L. Kaplan, MD

The unusual muscle definition in this 57-year-old man was noted during a routine physical examination. The patient had myasthenia gravis, for which he previously had been treated with prednisone.

The unusual muscle definition in this 57-year-old man was noted during a routine physical examination. The patient had myasthenia gravis, for which he previously had been treated with prednisone. A possible complication with use of this agent is spontaneous rupture of the biceps tendon, which had occurred bilaterally in this man. Fortunately, he suffered no adverse effects from these ruptures. This photo was sent by Dr David L. Kaplan of Overland Park, Kan.

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