30 March 2007
Multifocal systemic tuberculosis: The many faces of an old nemesis
Jaffar A. Al-TawfiqMed Sci Monit 2007; 13(4): CS56-60 :: ID: 481111
Abstract
Background:uberculosis continues to be a major health problem, where an estimated 7–8 million new cases are diagnosed each year. Multifocal tuberculosis is characterized by the presence of large multifocal tuberculous areas in the same or different organs. Difficulty in diagnosis of multifocal tuberculosis and consideration of other diseases may lead to a delay in diagnosing this entity. Here the clinical features and characteristics of three patients with multifocal systemic tuberculosis are described.
Case Report:During the period of 1999–2005, a total of 128 confirmed cases of tuberculosis were identified. Three (2.3%) patients had multifocal systemic tuberculosis. The first case had involvement of the lung, psoas muscle, and the vertebral bodies. The second patient had multiple brain lesions with mediastinal and retroperitoneal lymphadenopathy. The third patient had multiple brain lesions, lymphadenopathy, and colonic lesions initially mimicking a metastatic disease. Mycobacterium tuberculosis was grown from pleural fluid in one patient and from lymph node biopsies in another patient. The third patient had histopathologic evidence of tuberculosis. All patients received standard anti-tuberculous treatment, resulting in a full recovery in two patients, while the third patient had residual weakness.
Conclusions:Multifocal systemic tuberculosis may pose a diagnostic challenge and may occur in immunocompetent hosts, in whom this entity generally has a good outcome.
Keywords: Antitubercular Agents - therapeutic use, Brain - radiography, Colon - pathology, Lung - pathology, Lymphatic Diseases - radiography, Psoas Muscles - pathology, Spine - radiography, Tuberculosis - pathology
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