Edentulous left maxillary ridge ulcerative swelling

Abstract

A 55-year-old male without cigarette-smoking, alcohol-drinking, or betel-quid -chewing habits was referred from a local dental clinic with the complaint of a swelling over the upper left edentulous ridge for the duration of 1 month. Other than a history of an extranodal diffuse large B-cell lymphoma on the upper left posterior gingiva, proven via histopathologic and immunohistochemical staining (Figures 1A to 1E), for which chemotherapy and radiotherapy had been administered 13 years ago, no other systemic diseases were noted.