Epstein-Barr virus-positive mucocutaneous ulcer of the oral cavity: the importance of having a detailed clinical history to reach a correct diagnosis.

Epstein-Barr virus-positive mucocutaneous ulcer (EBVMCU) is a recently recognized clinicopathological entity. It presents as an ulcerative lesion with lymphoma-like histologic features and is clinically associated with various types of immunosuppression. EBVMCU lesions respond well to conservative measures aimed at correcting the underlying immunosuppression.