Multifocal Peripheral Osteoarticular Tuberculosis: Contribution of TEMP/TDM in the Extension Balance

Tuberculosis (TB) is an infectious disease primarily transmitted from person to person, caused by Mycobacterium tuberculosis, or Koch's bacillus (BK) [1]. It constitutes a major public health problem, particularly in countries with intermediate incidence such as Morocco [2]. The pulmonary form is the most frequent clinical presentation and remains the major source of transmission. After primary infection, the bacillus can disseminate via the bloodstream, more rarely via the lymphatic system, and reach virtually all organs, including bones and joints [3]. Osteoarticular tuberculosis (OAT) encompasses all pathological manifestations secondary to the involvement of the musculoskeletal structures of the musculoskeletal system by Mycobacterium tuberculosis (Koch's bacillus). [4] It represents a relatively rare manifestation of extrapulmonary tuberculosis, accounting for approximately 11 to 15% of cases. [5] Multifocal forms, characterized by the simultaneous involvement of several bone and joint sites, are exceptional, particularly in young, immunocompetent individuals.