A 78-year-old man with end-stage renal disease, diabetes mellitus, and microscopic polyangiitis, for which he was taking glucocorticoids, presented to the rheumatology clinic with fever, painful glossitis, and taste abnormalities that had persisted for 1 month. Examination of the tongue showed a large, punched-out, painful ulcer.
What is the diagnosis?
A) Syphilitic chancre
B) Herpes simplex virus infection
C) Behcet’s disease
D) Eosinophilic ulcer
E) Cytomegalovirus infection
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