A rare manifestation of fulminant miliary TB resulting from hematogenous spread of mycobacteria to multiple organ, including skin. The initial site of infection is usually pulmonary or meningeal.occur predominantly in children. Tuberculin sensitivity is absent and bacillary load high. Currently numerous instances are reported in the immunocompromised.Disseminated lesions occur on all parts of the body especially the trunk. Lesions erupt as small, red macule or papules.purpura, vesicle and central necrosis are common. Affected patient are gravely ill and prognosis poor.http://www.ncbi.nlm.nih.gov/pmc/articles/PMC1673824/ 
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