CXR shows diffuse, uniformly distributed, small miliary shadows. "Miliary" means "like small millet seeds".The CXR can appear normal in advanced cases because of severe immunosuppression and therefore inability to mount an inflammatory response. Full blood count may show pancytopenia. Liver function tests may be abnormal. Bacteriological confirmation (smears or mycobacterial culture) is sometimes possible from sputum, cerebrospinal fluid, bone marrow, liver or blood.

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