The Carcinoid Syndrome Caused by Retroperitoneal Carcinoid Tumors Abstract #255

Introduction: The carcinoid syndrome is caused by increased levels of serotonin and is mostly seen in cases of carcinoid tumor in the small bowel and liver metastases, as there is a very high first pass effect.
Aim(s): We describe two cases of carcinoid syndrome without liver metastases but with a single lesion secreting directly into the systemic circulation.
Materials and methods: Case 1: a 62-year-old woman presents with a 4 yr. history of diarrhea and flushing. A single lesion near the hepatoduodenal ligament is found on CT scan. Case 2: a 39-year-old woman presents with a 2 yr. history of abdominal pain and flushing. A single lesion is found near the left kidney. Both had elevated Chromogranin A but normal U-5HIAA.
Conference: 8th Annual ENETS Conference (2011)
Category: Clinical
Presenting Author: Dr Benedicte V Wilson

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