Dietary Upper Gastrointestinal Stricture Caused by MushroomsYuto Shiozaki, MD1,2, Takuya Otsuki, MD, PhD1,2, Kosuke Ishizuka, MD, PhD, FHGM3,4, Yuichi Kato, MD1,2, Kenya Ie, MD, PhD, MPH1,2, Chiaki Okuse, MD, PhD1,21Department of General Internal Medicine, St. Marianna University School of Medicine, Kawasaki, Kanagawa, Japan2Department of General Internal Medicine, Kawasaki Municipal Tama Hospital, Kawasaki, Kanagawa, Japan3Department of General Medicine, Yokohama City University School of Medicine, Yokohama, Kanagawa, Japan4Department of General Medicine, Yokohama City University Medical Center, Yokohama, Kanagawa, Japan

Follicular lymphoma is the second most common type of non-Hodgkin’s lymphoma. Hepatic accumulation observed on FDG-PET/CT, which is the most useful imaging finding, is observed in 15% of cases. Secondary hepatic lymphoma is defined based on distant involvement, and it typically presents as diffuse infiltration, as in this case.