Teerada Daroontum1,2, Kei Kohno1, Ahmed E Eladl1,3, Akira Satou4, Ayako Sakakibara1, Shoichi Matsukage5, Naoki Yakushiji5, Charin Ya-In2, Shigeo Nakamura1, Naoko Asano6, Seiichi Kato7. 1. Department of Pathology and Laboratory Medicine, Nagoya University Hospital, Nagoya, Japan. 2. Department of Pathology, Faculty of Medicine, Chiang Mai University, Chiang Mai, Thailand. 3. Department of Pathology, Faculty of Medicine, Mansoura University, Mansoura, Egypt. 4. Department of Surgical Pathology, Aichi Medical University Hospital, Nagakate, Japan. 5. Department of Pathology and Division of Dermatology, Uwajima City Hospital, Uwajima, Japan. 6. Department of Clinical Laboratory, Nagano Prefectural Suzaka Hospital, Nagano, Japan. 7. Department of Pathology and Molecular Diagnostics, Aichi Cancer Centre Hospital, Aichi, Japan.
Abstract
AIMS: The aim of the present study was to compare treated lymphoma-associated Epstein-Barr virus (EBV)-positive mucocutaneous ulcer (EBVMCU) and methotrexate (MTX)-associated EBVMCU. METHODS AND RESULTS: Of a series of 15 Japanese patients (11 women, four men; median age 74 years, range 35-84 years), seven received MTX for the treatment of autoimmune disease and eight developed EBVMCU after treatment of malignant lymphoma [diffuse large B-cell lymphoma (n = 4) without EBV association, adult T-cell leukaemia/lymphoma (n = 2), angioimmunoblastic T-cell lymphoma (n = 1), and follicular lymphoma (n = 1)]. Ulcers were observed in the oral cavity (n = 11), gastrointestinal tract (n = 2), and skin (n = 2). All were histologically characterised by a mixture of EBV-positive large B-cell proliferation and Hodgkin/Reed-Sternberg-like cells on a polymorphous background. A total of 46% (6/13) had monoclonal immunoglobulin heavy chain gene rearrangement, but none had clonal T-cell receptor gene rearrangement. Spontaneous regression occurred in 13 of 15 cases (87%); the other two cases (13%) achieved complete remission after treatment. Of two patients in the treated lymphoma-associated subgroup, one developed multiple new ulcerative lesions on previously unaffected skin, and the other had a relapse of EBVMCU in the oral cavity. No significant clinicopathological differences were found between the subgroups. Notably, none of the patients died from EBVMCU. However, the treated lymphoma-associated subgroup had lower overall survival (P = 0.004) and a shorter follow-up period (P = 0.003) than the MTX-associated subgroup, owing to death from non-associated causes. CONCLUSIONS: Treated lymphoma-associated EBVMCU, which is an indolent and self-limited condition, must be recognised to avoid misdiagnosing it as a relapse of malignant lymphoma during treatment.
AIMS: The aim of the present study was to compare treated lymphoma-associated Epstein-Barr virus (EBV)-positive mucocutaneous ulcer (EBVMCU) and methotrexate (MTX)-associated EBVMCU. METHODS AND RESULTS: Of a series of 15 Japanese patients (11 women, four men; median age 74 years, range 35-84 years), seven received MTX for the treatment of autoimmune disease and eight developed EBVMCU after treatment of malignant lymphoma [diffuse large B-cell lymphoma (n = 4) without EBV association, adult T-cell leukaemia/lymphoma (n = 2), angioimmunoblastic T-cell lymphoma (n = 1), and follicular lymphoma (n = 1)]. Ulcers were observed in the oral cavity (n = 11), gastrointestinal tract (n = 2), and skin (n = 2). All were histologically characterised by a mixture of EBV-positive large B-cell proliferation and Hodgkin/Reed-Sternberg-like cells on a polymorphous background. A total of 46% (6/13) had monoclonal immunoglobulin heavy chain gene rearrangement, but none had clonal T-cell receptor gene rearrangement. Spontaneous regression occurred in 13 of 15 cases (87%); the other two cases (13%) achieved complete remission after treatment. Of two patients in the treated lymphoma-associated subgroup, one developed multiple new ulcerative lesions on previously unaffected skin, and the other had a relapse of EBVMCU in the oral cavity. No significant clinicopathological differences were found between the subgroups. Notably, none of the patients died from EBVMCU. However, the treated lymphoma-associated subgroup had lower overall survival (P = 0.004) and a shorter follow-up period (P = 0.003) than the MTX-associated subgroup, owing to death from non-associated causes. CONCLUSIONS: Treated lymphoma-associated EBVMCU, which is an indolent and self-limited condition, must be recognised to avoid misdiagnosing it as a relapse of malignant lymphoma during treatment.
Authors: Yasodha Natkunam; Dita Gratzinger; Amy Chadburn; John R Goodlad; John K C Chan; Jonathan Said; Elaine S Jaffe; Daphne de Jong Journal: Blood Date: 2018-08-06 Impact factor: 22.113
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