Extra-pulmonary manifestations of tuberculosis can have diverse presentations depending on the affected organs. In this case report, we describe a case of a 50-year-old man of South Asian origin who presented with acute adrenal crisis on a background of undiagnosed miliary tuberculosis. Imaging after repeated episodes of adrenal crisis and seizures revealed bilaterally enlarged adrenals and cerebral tuberculomas, suggesting adrenal and central nervous system involvement. CT chest, abdomen and pelvis showed apical lung nodules and tree-in-bud appearance suggestive of tuberculosis. Due to high endogenous levels of adrenocorticotropic hormone and a flat response after a short synacthen test, a diagnosis of primary adrenal insufficiency secondary to tuberculosis infection was made. He remains well on anti-tuberculous chemotherapy, corticosteroids, and anti-epileptic medication. This case report exemplifies the unusual but life-threatening presentations of extra-pulmonary tuberculosis that may become increasingly common with immunosuppression because of the human immunodeficiency virus global epidemic and immunosuppressant therapies; therefore, a low index of suspicion is needed in these cases.
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