IFN-gamma releasing assays (IGRAs) such as T-SPOT.TB assay and QuantiFERON-TB In-Tube (QFT-GIT) have yielded promising results for the diagnosis of tuberculosis (TB). However, little is known about the usefulness of these assays for diagnosing disseminated TB. We therefore compared their usefulness with traditional tests in patients with disseminated TB. All adult patients with suspected dissem...

Mycobacterium tuberculosis, the causative agent of tuberculosis was discovered by Robert Koch in 1882. It has been observed that 30% of the world population harbours Mycobacterium tuberculosis. Spread of Human immunodeficiency virus (HIV) infection, malignancies, globalization and malnutrition are some of the major contributing factors for increase in the global burden of tuberculosis (pulmonar...