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Abstract
Ampullary adenocarcinomas are a rare disease. They can be classified anatomically or according to their histology into intestinal, pancreatobiliary, and mixed subtypes, with different subtypes having distinct prognoses and potential treatments. We report a clinical case of a patient with mixed type adenocarcinoma of the ampulla of Vater, with predominantly intestinal histology, associated with an isolated and synchronous peritoneal carcinomatosis. It is the only case reported in the literature of duodenal ampulla cancer with synchronous peritoneal metastases, with long-term survival. A 53-year-old male patient with non-insulin-dependent diabetes presented with acute abdominal pain in the right hypochondrium. Images revealed dilatation of the biliary tract and the duct of Wirsung, without a clear obstructive factor. Upper gastrointestinal endoscopy revealed a tumor in the duodenal papilla. Biopsies confirmed an adenocarcinoma. In the first surgical step, a biliodigestive bypass was performed in association with resection of the carcinomatosis. Peritoneal metastases was found during the intraoperative period. Subsequently, chemotherapy with the folinic acid, fluorouracil, and oxaliplatin regimen was administered based on histology, and a favorable response was achieved. After a multidisciplinary discussion, the Whipple procedure was performed. A delayed biopsy showed disease-free margins. The patient achieved 5 years of overall survival in August 2024, and 4 years of disease-free survival in September 2024. We conclude that an important value of this work is showing individualized treatment for a patient with cancer.
Published Version
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