Myopathy in tuberculosis: two presumptive cases and a review of the literature.

Mycobacterium tuberculosis infrequently infects muscle. Two cases of muscle involvement complicating tuberculosis (TB), one as a result of infection and a second resulting from the treatment of TB, are reported. Thirteen previous cases are summarized. The pathology, pathogenesis, clinical features, differential diagnosis, and treatment of TB myopathy are discussed.