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Gaceta mexicana de oncología
On-line version ISSN 2565-005XPrint version ISSN 1665-9201
Abstract
HERNANDEZ-NAVARRETE, Liliana Stefany; GODINEZ-CARRILLO, Alejandro; GONZALEZ-GONZALEZ, María Guadalupe and VISCENCIO-LOPEZ, Juan Carlos. Intestinal non-Hodgkin lymphoma and associated peritoneal lymphomatosis. Case report and literaure review. Gac. mex. oncol. [online]. 2019, vol.18, suppl.1, pp.18-22. Epub Oct 17, 2022. ISSN 2565-005X. https://doi.org/10.24875/j.gamo.19000069.
Introduction:
The gastrointestinal tract is the principal site of extralymphatic lymphoma, corresponding to 5-20% of the cases. Near 90% of the primary gastrointestinal lymphoma (PGL) are from B cells.
Case report:
Male of 61 years, with bowel obstruction and a tumor in right iliac fossa. In surgery we found citrine liquid in cavity, a tumor in proximal ileum, mesenteric lymph nodes, and intraluminal implant in the small intestine, greater omentum, mesenteric root and sigmoid peritoneum. In the pathological assessment it was reported non-Hodgkin diffuse small cells lymphoma in ileum with involvement of mesenteric lymph nodes, greater omental nodes, sigmoid colon and the appendix. The immunohistochemistry staining revealed follicular intestinal lymphoma of B cells, positivity for CD 20 and Ki-67 with cell proliferation of 5%.
Discussion:
To define PGL we use the Dawson criteria: a predominately gastrointestinal tract lesion, with or without spread to regional nodes, no involvement of the peripheral or mediastinal nodes, no involvement of the liver or spleen, and a normal white cell count and differential. Actually, the surgery is indicated in case of bleeding, perforation or obstruction, followed by adjuvant chemotherapy.
Conclusion:
The clinical presentation of PGL may be obstruction with or without perforation, as the case we report in which we found extension to mesenteric lymph nodes as to greater omentum, a rare finding, so the peritoneal lymphomatosis is a possibility when we found a tumor in the terminal ileum.
Keywords : Primary gastrointestinal lymphoma; Non-Hodgkin lymphoma; Chemoterapy.