BJH - volume 12, issue 8, december 2021
O. Rizzo MD, D. Bron MD, PhD, M. Vercuyssen MD, A. De Wind MD, PhD, M. Roelandt MD, P. Eisendrath MD, PhD, A. Lemmers MD, PhD, N. Meuleman MD, PhD
A 46-year-old woman presented with epigastric pain and weight loss for over a year. An upper endoscopy was performed and showed a polypoid lesion in the antropyloric region. Immuno-pathological report revealed a proliferation of plasma cell nature. The whole work-up including complete blood test, bone marrow biopsy and 18FDG-PET-CT did not detect extra gastric lesion of multiple myeloma. The diagnosis of extramedullary plasmacytoma of the stomach was established. Radiotherapy (44 Gy) with a curative intent was administered but the control biopsy showed residual disease. Endoscopic submucosal dissection was then performed with R0 resection (negative margins) leading to complete remission.
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