A 56-year-old woman was referred to our hospital with a growing gastric submucosal tumor. An upper endoscopic examination revealed two gastric tumors, an original polypoid tumor and a newly diagnosed superficial tumor. Boring biopsied specimens of the submucosal tumor showed gastric plasmacytoma; however, the other specimens showed no malignancy. Blood diseases were ruled out using various examinations; therefore, we diagnosed the tumor as extramedullary gastric plasmacytoma. The patient underwent laparoscopic distal gastrectomy, and both tumors were thus revealed to be plasmacytomas. We experienced a rare case with two differently shaped extramedullary gastric plasmacytomas without significant morphologic change during the follow-up.
CITATION STYLE
Doi, A., Sumiyoshi, T., Omori, Y., Oyamada, Y., Kumano, K., Yoshizaki, N., … Kondo, H. (2016). Double extramedullary plasmacytoma of the stomach with a long-term endoscopic follow-up. Internal Medicine, 55(24), 3585–3590. https://doi.org/10.2169/internalmedicine.55.6889
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