A case of medication-related osteonecrosis of the jaw presumed to have been induced by Epstein-Barr virus-positive mucocutaneous ulcer in the maxillary gingiva

Epstein-Barr virus-positive mucocutaneous ulcer (EBV-MCU) is characterized by ulcers confined to the skin and mucus membranes. EBV-MCU is an EBV-positive lymphoproliferative disorder that occurs during the use of immunosuppressive drugs such as methotrexate. We herein report a case of EBV-MCU in the maxillary gingiva. A 73-year-old woman was referred to our department in March 2021. During the initial examination, bone exposure and ulceration were observed in the extraction socket of the maxillary bilateral central incisors. The patient was taking methotrexate for rheumatoid arthritis and was unable to stop due to disease progression. In March 2021, curettage of the extraction socket of the maxillary anterior teeth and extraction of the maxillary right lateral incisor, which was difficult to preserve due to severe tooth mobility, was performed under local anesthesia. The extraction site epithelialized and healed well. Three months later, inflammation flared, and ulceration was observed. Extraction of the unsalvageable maxillary teeth and an excisional biopsy of the palatal gingiva were performed. The histopathological diagnosis was EBV-MCU. The postoperative course was uneventful, and no evidence of recurrence was found two years postoperatively; follow-up will be continued. There are many reports of EBV-MCU remission with the cessation of methotrexate treatment. In our patient, withdrawal was difficult because of the progression of rheumatoid arthritis, but remission was achieved by improving the oral cavity environment through an excisional biopsy and tooth extraction.

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A case of medication-related osteonecrosis of the jaw presumed to have been induced by Epstein-Barr virus-positive mucocutaneous ulcer in the maxillary gingiva

Cited by 2 publications

References 15 publications

Epstein–Barr virus-positive mucocutaneous ulcer arising in the oral region: A report of three cases and a review

Epstein–Barr virus-positive mucocutaneous ulcer arising in the oral region: A report of three cases and a review

Epstein-Barr Virus-Positive Mucocutaneous Ulcer on the Gingiva of a Patient in Whom Immunosuppressive Drugs Could Not Be Withdrawn: A Case Report and Review of the Literature

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