Splenunculus, or congenital accessory spleen, is a benign anatomical variation, and is rarely of clinical consideration in routine clinical practice. We describe a patient who presented with synchronous herpes simplex 1 viraemia and myelosuppression, with a splenunculus mimicking splenomegaly, and we discuss the implications on clinical practice, investigations, and management.
Keywords: case report; methotrexate toxicity; myelosuppression; splenomegaly; splenunculus; viremia.
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