Abstract: |
A woman aged 33 years, during week 30 of pregnancy, presented with metastatic, high-grade neuroendocrine cancer. Investigation revealed a collision-type primary tumor of the large bowel, containing adenocarcinoma and neuroendocrine elements. Platinum-based chemotherapy resulted in a divergent pathologic response as assessed after colectomy. The diagnosis and classification of mixed endocrine-exocrine tumors of the colon are discussed, along with treatment considerations. |
Keywords: |
immunohistochemistry; adult; cancer chemotherapy; human tissue; primary tumor; histopathology; case report; cisplatin; fluorouracil; cancer combination chemotherapy; disease classification; multimodality cancer therapy; combined modality therapy; nuclear magnetic resonance imaging; positron emission tomography; magnetic resonance imaging; cancer diagnosis; colorectal cancer; adenocarcinoma; mitosis; computer assisted tomography; multiple cycle treatment; diagnosis, differential; colonic neoplasms; tomography, x-ray computed; biopsy; irinotecan; abdominal pain; fever; neuroendocrine tumor; colonoscopy; folinic acid; colon resection; platinum; pregnancy; ulcerative colitis; physical examination; vancomycin; cytokeratin; corticosteroid; oxaliplatin; metronidazole; pregnancy complications, neoplastic; lymphadenopathy; cesarean section; pregnancy outcome; colon biopsy; neuroendocrine carcinoma; tomography, emission-computed; clostridium infection; endocrine tumor; blood culture; signet-ring cell; mesalazine; exocrine secretion; large intestine cancer; colitis, ulcerative
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