Korean J Pancreas Biliary Tract.  2016 Oct;21(4):239-243. 10.15279/kpba.2016.21.4.239.

Intravascular Large B-cell Lymphoma within Duodenal Gastrointestinal Stromal Tumor

  • 1Department of Internal Medicine, Dongguk University Ilsan Hospital, Goyang, Korea. jeromee1971@yahoo.co.kr
  • 2Department of Pathology, Dongguk University Ilsan Hospital, Goyang, Korea.
  • 3Department of Radiology, Dongguk University Ilsan Hospital, Goyang, Korea.
  • 4Department of Surgery, Samsung Medical Center, Seoul, Korea.


Intravascular large B-cell lymphoma (IVLBCL) is a rare disease of intravascular growth of malignant lymphocytes without an obvious extravascular tumor mass or existence in peripheral blood. It has poor prognosis due to its aggressive behavior and rapid systemic dissemination. But there is no pathognomonic finding, diagnosis of IVLBCL is still challenging. Here we report a case of IVLBCL found within a resected specimen of duodenal gastrointestinal stromal tumor.


Gastrointestinal stromal tumors Duodenum; Lymphoma; Large B-cell
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