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Article
March 1928

MYOSITIS OSSIFICANS: A STUDY OF ANOTHER UNUSUAL CASE

Author Affiliations

BALTIMORE
From the Surgical Department of the Johns Hopkins University School of Medicine.

Arch Surg. 1928;16(3):755-763. doi:10.1001/archsurg.1928.01140030127004
Abstract

My only excuse for reporting the following case of myositis ossificans is that failed to follow the usual course of this long recognized condition, and also because of several interesting points in the differential diagnosis.

In 1925, Adam Gruca1 published a clinical and experimental study of this condition, with a detailed report of seventeen cases. He gives what I believe is the best classification to date. It is as follows:

1. Myositis Ossificans Traumatica:

(a) Following a severe single injury by blunt force.

(b) Following dislocations; i. e., elbow, clavicle, knee, shoulder.

(c) Development of bone along the track of perforating gunshot wounds.

(d) After clean incised wounds.

2. Myositis Ossificans Chronica:

(a) After repeated slight trauma; i. e., "rider's bone." "soldier's shoulder."

(b) Occupational.

(c) Nontraumatic; history of trauma not obtainable.

3. Myositis Ossificans of Infectious Origin.

4. Myositis Ossificans—Para-Arthritica.

5. Myositis Ossificans—Neurotica.

In his article he also

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