Primary Tuberculous Pyomyositis of the Left Forearm Muscles.

Pyomyositis, often caused by Staphylococcus aureus, is a rare primary infection of skeletal muscle and is usually associated with abscess formation. Pyomyositis caused by Mycobacterium tuberculosis is extremely rare. In this paper, by presenting a case of tuberculous pyomyositis, we tried to provide a simple answer to the question of when we should consider M. tuberculosis in the etiology of pyomyositis.