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A case of methotrexate-associated lymphoproliferative disorder with a tongue ulcer Taichi Yanagihara 1 , Shun Kikuchi 1 , Natsuki Watanabe 1 , Kei Takeyama 1 , Namiko Takatsu 1 , Takeaki Oda 1 , Yukihisa Harayama 1 , Makoto Iida 1 , Hiromi Kojima 1 1Otorhinolaryngology, The Jikei University School of Medicine Keyword: MTX-LPD , 医原性免疫不全関連リンパ増殖性疾患 , 口腔内潰瘍 pp.1049-1054
Published Date 2022/11/20
DOI https://doi.org/10.11477/mf.1411203187
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 We report a case of methotrexate-associated lymphoproliferative disorder(MTX-LPD)detected by an intractable tongue ulcer.

 The patient, a 77-year-old man with a history of rheumatoid arthritis who was taking methotrexate, presented to us with an ulcerative lesion on the left lingual border. We performed repeated biopsies, and the findings were suspicious for diffuse large B-cell lymphoma. Based on the history of taking methotrexate, MTX-LPD was diagnosed. After withdrawal of methotrexate, the ulcer improved and has not recurred in more than 4 months. When examining patients with oral ulcers who take methotrexate, it is necessary to keep the possibility of MTX-LPD in mind.


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電子版ISSN 1882-1316 印刷版ISSN 0914-3491 医学書院

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