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Ann Thorac Surg 1998;66:1178
© 1998 The Society of Thoracic Surgeons
a Tel Aviv University Sackler School of Medicine, and the E. Wolfson Medical Center, Holon 58100, Israel
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Infection of the chest wall by tuberculosis occurs by hematogenous dissemination or by chest wall lymphadenitis; it rarely occurs by extension from an adjacent lung or pleura. The radiologic picture is variable. Tuberculosis may appear as cystic lesions in bony structures, which may be easily confused with neoplasms, either primary or metastatic. The lesions appear as areas of low density and may show points of increased radionuclide activity [1, 2]. Although tuberculosis of the sternum and ribs is rare, it is still the most common inflammatory disease that affects the ribs, resulting in well-demarcated areas of destruction [3]. The margins of destruction are often sclerotic, which helps in diagnosis. The psoas abscesses are a direct extension of advanced thoracolumbar osteomyelitis and are characterized by a classic radiographic presentation. In addition, radiograms may show a posterior mediastinal mass or a soft tissue mass. Reduced intervertebral disc space and calcifications within the psoas abscess are highly suggestive of tuberculosis [2].
Because of the difficulties in diagnosis, acute clinical awareness is of great importance, particularly in immunocompromised patients and in intravenous narcotic addicts who present with chest wall masses or sinuses.
Computed tomography is particularly useful in the evaluation of these lesions and was well used by Faure and associates.
Tuberculous lesions of the chest wall are best treated with antimicrobials and drainage, with debridements and excision reserved for the most extensive ones.
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