著者
Hiroshi Kobe Akihiro Ito Hiroki Hayata Keisuke Nishimura Yasunori Ueda Tadashi Ishida
出版者
The Japanese Society of Internal Medicine
雑誌
Internal Medicine (ISSN:09182918)
巻号頁・発行日
vol.60, no.1, pp.131-136, 2021-01-01 (Released:2021-01-01)
参考文献数
22
被引用文献数
2

A 76-year-old woman with dermatomyositis was being treated with prednisolone, tacrolimus, and mycophenolate mofetil. There was a solitary lung nodule in the right middle lobe on chest computed tomography at a routine follow-up examination. A transbronchial lung biopsy was performed, and the histopathologic findings indicated diffuse large B-cell lymphoma. An immunodeficiency-associated lymphoproliferative disorder was suspected, and mycophenolate mofetil was stopped without adding any other therapy. Nine months later, the pulmonary nodule had disappeared on chest computed tomography.