There have come to my attention several instances of a pathologic condition usually classified as "Myositis Ossificans Traumatica." Since this is rather uncommon, it is deemed proper to report cases and experiments which may help clarify the subject. After reading much of the fairly extensive literature which is indexed variously as "myositis ossificans traumatica," "myositis ossificans circumscripta," "ossifying hematoma," etc., no satisfactory explanation for the lesion was found. There are a number of very good articles and several careful reviews on the subject.1 Painter2 reports a case and discusses thoroughly the various theories. The important references are also given. Noble, 3 still later, published a very carefully prepared article. These are among the more recent ones.
It would be a waste of time to consider all the theories of causation. If due to periosteal transplants, as held by many, then, following fractures, this ossifying condition should be quite
STONE CA. OSSIFYING HEMATOMA. JAMA. 1926;87(23):1885–1888. doi:10.1001/jama.1926.02680230009003
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