Diagnostic value of pleural fluid interferon-gamma and adenosine deaminase in patients with pleural tuberculosis in Qatar.

Objective: To investigate the diagnostic utility of interferon-gamma (IFN-γ) and adenosine deaminase (ADA) in tuberculous pleural effusions by determining the best cutoff levels of these two markers for pleural tuberculosis, in the context of the local epidemiological settings in Qatar.

Methods: We prospectively studied IFN-γ and ADA levels in the pleural fluid of patients presenting to Hamad General Hospital between June 1, 2009 and May 31, 2010.

Results: We studied 103 patients with pleural effusions, 72 (69.

Mycobacterium fortuitum abdominal wall abscesses following liposuction.

We describe here a case of abdominal abscesses due to Mycobacterium fortuitum following liposuction. The abscesses developed three months after the procedure and diagnosis was delayed for five months. The clues for diagnosis were persistent pus discharge in spite of broad spectrum antibiotics and failure to grow any organisms on routine culture.

Primary Nocardia meningitis in a patient without a predisposing condition: case report and review of the literature.

A case of primary Nocardia meningitis in a patient without a predisposing condition is presented and 4 other reported cases are reviewed. The presenting features were fever, headache, altered consciousness, and neck stiffness. Cerebrospinal fluid examination (CSF) revealed hypoglycorrhachia (<40 mg/dl), elevated protein (>100 mg/dl), and pleocytosis with predominant neutrophils in all patients.

AIDS-related progressive multifocal leukoencephalopathy.

A case of progressive multifocal leukoencephalopathy associated with human immunodeficiency virus infection with a fatal outcome is presented. The disease has not been reported from our region before. The patient presented initially with hemiparesis and non-enhancing lesion on computed tomography scan that was thought to be an infarct.