Double extramedullary plasmacytoma of the stomach with a long-term endoscopic follow-up

Ayako Doi, Tetsuya Sumiyoshi, Yuko Omori, Yumiko Oyamada, Koki Kumano, Naohito Yoshizaki, Michiaki Hirayama, Yoshinori Suzuki, Syunichi Okushiba, Takahiro Kogawa, Toshihiko Doi, Hitoshi Kondo

Research output: Contribution to journalArticlepeer-review

2 Citations (Scopus)


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.

Original languageEnglish
Pages (from-to)3585-3590
Number of pages6
JournalInternal Medicine
Issue number24
Publication statusPublished - 2016


  • Extramedullary plasmacytoma
  • Gastric plasmacytoma


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