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Zollinger-Ellison syndrome: special considerations.
Annals of Surgery
|June 1, 1977
Summary
Zollinger-Ellison syndrome (Z-E syndrome) patients undergoing total gastrectomy experienced ulcer healing but no tumor regression. The study questions links between hyperinsulinism and hypergastrinemia in islet cell tumors.
Area of Science:
- Gastroenterology
- Endocrinology
- Surgical Oncology
Background:
- Zollinger-Ellison syndrome (Z-E syndrome) is characterized by gastric acid hypersecretion due to a gastrin-producing tumor.
- Multiple endocrine neoplasia (MEN) syndromes can be associated with Z-E syndrome.
Observation:
- This review analyzes 12 patients with Z-E syndrome and one with WDHA syndrome.
- Three Z-E patients had co-existing MEN, including hyperinsulinism (n=2) and hyperparathyroidism (n=1).
- Diagnostic methods included clinical history, gastric acid studies, imaging, serum gastrin levels, and biopsy.
Findings:
- Total gastrectomy in 8 Z-E patients resolved ulcer diathesis but did not lead to tumor regression.
- One patient with a malignant islet cell tumor experienced hyperinsulinemia and hypergastrinemia, underwent debulking four times, and showed temporary response to streptozotocin for hepatic metastases.
- Mortality was linked to tumor progression, surgical complications, hemorrhage, and electrolyte imbalance.
Implications:
- Surgical management of Z-E syndrome effectively controls hyperacidity but does not impact tumor burden.
- The case highlights a potential relationship between chronic organic hyperinsulinism and subsequent hypergastrinemia in islet cell neoplasms.
- Further research is warranted to explore the interplay between these hormonal dysregulations in neuroendocrine tumors.