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[Spinal tuberculosis (Pott's disease) associated to psoas abscess: report of two cases and a literature review].

Tuberculosis is one of the most important infectious disease worldwide, with 3,9 million reported cases in the world in 2002. The skeletal form is responsible for 3% of the total number of cases, with 50% of these due to spinal tuberculosis. The psoas abscess is a rare clinical entity with approximately 12 cases per year described in the medical literature and has in the Mycobacterium tuberculosis , one of its etiologic agents. The objective of this work is to report two cases of spinal tuberculosis associated with psoas abscess attended at our service, as well as a review of the literature.