January 18, 1913


Author Affiliations

San Francisco

JAMA. 1913;60(3):203. doi:10.1001/jama.1913.04340030033016

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Myositis ossificans is a pathologic condition characterized by the formation of bone in or between the muscles. There are two forms, the progressive, in which ossification successively occurs in many parts of the muscular system, and the traumatic, which is limited to one muscle or group of muscles. The following is an unusual case of the latter type:

The patient is a sheet-metal worker, aged 50; a native of Germany. His father died at the age of 60 after having suffered from a cough for years. The family history is otherwise negative. The patient has never been sick except for an attack of mumps fifteen years ago and occasional colds of short duration. He denies venereal disease and has used very little liquor. In 1869 when 7 years old he was struck on the calf of the leg by a heavy timber. After this injury he began to walk on

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