Oral ulceration: an unusual manifestation of lymphomatoid granulomatosis
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Case 1: A 68-year-old man with a history of rheumatoid arthritis (RA) presented with mandibular pain over 1 month in a private dental clinic. He had been treated with MTX and prednisolone (PSL) for 10 years. Intraoral examination revealed an ulcer on the floor of the mouth (Fig. 1a). He was diagnosed with ulcer associated with periodontal disease. One month later, he was referred to us because of refractory oral ulcer. Chest X-ray screening showed bilateral multiple patchy infiltration...
This work was supported in part by grants from the Ministry of Education, Culture, Sports, Science, and Technology in Japan (17K09928 0001), the Yasuda Medical Foundation, the Foundation for Promotion of Cancer Research in Japan, and the Project Mirai Cancer Research Grants.
Compliance with ethical standards
Written informed consent was obtained from the patients for publication.
Conflict of interest
The authors declare that they have no conflict of interest.