ArticleWorld journal of clinical cases2023
Synchronous rectal adenocarcinoma and intestinal mantle cell lymphoma: A case report.
Article in World journal of clinical cases, 2023. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 4 papers.
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Who cites it
4 citing papers in PubMed.
- Case Report: Occult mantle cell lymphoma in a synchronous rectal collision tumor with adenocarcinoma: retrospective reclassification and multispecimen molecular profiling.Frontiers in oncology · 2026Article
- Gastric Adenocarcinoma and Synchronic Mantle Cell Lymphoma: A Case Report.The Korean journal of helicobacter and upper gastrointestinal research · 2025Article
- Laparoscopic surgery for synchronous double colorectal cancer with obstruction, plus small B cell lymphoma: a case report.Journal of surgical case reports · 2025Article
- A Single Colonic Polyp Having Both Tubular Adenoma and Mantle Cell Lymphoma: A Case Report.Case reports in gastroenterologyArticle
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Authors and funding
8 authors.
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Abstract
backgroundMantle cell lymphoma (MCL) of the gastrointestinal tract is a rare malignancy, accounting for about 0.2% of malignant colorectal tumors. MCL synchronous with rectal adenocarcinoma is extremely rare. We know of only a few cases reported in the literature. We describe the case of a patient with synchronous rectal adenocarcinoma and intestinal MCL. CASE SUMMARY: A 63-year-old man was admitted to our hospital due to abdominal pain and hematochezia over the past month. The patient was diagnosed with middle rectal cancer cT2N0M0 and underwent surgery. However, we found a large tumor in the small intestine during surgery. The patient underwent total mesorectal excision for rectal cancer and resectioning of the ileal segment containing the large mass. Pathology and immunohistochemistry revealed the presence of both rectal adenocarcinoma and pathognomonic MCL stage IIE presenting as multiple lymphomatous polyposis. The patient subsequently underwent RDHAP/RCHOP chemotherapy and was maintained with rituximab. A Positron Emission Tomography and Computed Tomography (PET/CT) scan showed that the disease responded well to treatment without tumor-increased metabolism in the gastrointestinal tract.
conclusionSynchronous rectal adenocarcinoma and intestinal MCL presenting as multiple lymphomatous polyposis are extremely rare. MCL is often discovered fortuitously when rectal cancer is diagnosed. The coexistence of these tumors poses treatment challenges.
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