Journal of Japanese Society of Oral Medicine
Online ISSN : 2186-6155
Print ISSN : 2186-6147
ISSN-L : 2186-6147
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Case Reports
  • Ryo FUKUDA, Koji TAKAMORI, Satoshi USUDA, Aya MICHIBATA, Hiroko IKEDA, ...
    2019 Volume 25 Issue 2 Pages 37-43
    Published: 2019
    Released: June 30, 2020
    JOURNALS FREE ACCESS
    Tophaceous pseudogout is a disease of calcium pyrophosphate dehydrate (CPPD) deposition of joints. We report an unusual case of calcium pyrophosphate dehydrate involving the temporomandibular joint (TMJ). The patient was a 48-year-old male with the chief complaint of pain in the left TMJ. Biopsy was performed under general anesthesia, and a diagnosis of contradiction as tophaceous pseudogout was obtained. When diagnosing nodular masses with calcification around the temporomandibular joint, it may be necessary to consider this disease as one of differentiation.
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  • Hiroyuki SHIMIZU, Shutaro ISHII, Hidekazu SATO, Haruka FURUSAWA, Shin ...
    2019 Volume 25 Issue 2 Pages 44-50
    Published: 2019
    Released: June 30, 2020
    JOURNALS FREE ACCESS
    Methotrexate-associated lymphoproliferative disorder (MTX-LPD), which may develop in the oral cavity, is known to be associated with the administration of methotrexate. We herein report a case of MTX-LPD that developed in the buccal mucosa. The patient was a 64-year-old woman who had undergone long-term methotrexate treatment for rheumatoid arthritis and who complained of ulcer formation in the bilateral buccal mucosa. The pathological diagnosis was diffuse large B-cell lymphoma with Epstein-Barr virus-positive cells. The lesions improved following the withdrawal of methotrexate. The development of MTX-LPD in the buccal mucosa is very rare.
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  • Kentarou MURAMATSU, Keisuke OHNO, Hiroshi KATOU, Shuzi YOSHIDA, Akira ...
    2019 Volume 25 Issue 2 Pages 51-56
    Published: 2019
    Released: June 30, 2020
    JOURNALS FREE ACCESS
    Plasmacytosis is a chronic inflammatory disease that occurs in a body opening, such as the oral cavity or vulva, and is accompanied by mucosal redness, erosion, and edematous changes. Histopathological examination has revealed epithelial thinning and plasma cells. Plasmacytosis is a relatively rare disease with infiltration. Herein, we report a case of open-cell plasmacytosis that was successfully treated with corticosteroids despite difficulties in diagnosis and treatment.
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