Disseminated histoplasmosis, with the adrenal glands as being the only site of demonstrable disease in an immunocompetent adult, is a rare infection leading to adrenal insufficiency. This disease carries high mortality when unrecognised. We describe the first reported case of adrenal histoplasmosis in the Philippines in a 72-year-old immunocompetent, Filipino man who presented with a 3-month history of intermittent flank pain, weight loss and generalised weakness. His imaging demonstrated bilateral adrenal masses on ultrasonography and contrast-enhanced CT scan. The initial impression was adrenal cancer, however, fine-needle aspiration cytology revealed the presence of yeast cells and blood culture grew Histoplasma capsulatum The diagnosis of the case represents a diagnostic challenge in immunocompetent individuals because they manifest with non-specific symptoms. A heightened suspicion is therefore needed to prevent significant morbidity and mortality.
Keywords: adrenal disorders; tropical medicine (infectious disease).
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