A 45-year-old man presented with a 3-month history of involuntary weight loss, anorexia, postural dizziness and intermittent fever. On investigation, he was found to have parathyroid hormone (PTH)-independent hypercalcaemia, with negative workup for 25-hydroxyvitamin D or 1,25-dihydroxyvitamin D excess, thyrotoxicosis, multiple myeloma and bony metastases. On further evaluation, he was detected to have primary hypoadrenalism with bilateral adrenal enlargement, secondary to adrenal histoplasmosis.
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