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Pancreatic somatostatinoma
American Journal of Surgery
|November 1, 1983
Summary
A pancreatic tumor producing somatostatin was identified in a 66-year-old woman presenting with abdominal pain and a mass. This rare islet cell tumor was confirmed via silver staining and electron microscopy, revealing high somatostatin levels.
Area of Science:
- Endocrinology
- Gastroenterology
- Oncology
Background:
- Pancreatic tumors can present with vague symptoms, necessitating thorough diagnostic evaluation.
- Islet cell tumors are rare neoplasms of the pancreas with diverse clinical manifestations.
Observation:
- A 66-year-old female presented with right hypochondriac pain and an abdominal tumor.
- Diagnostic laparotomy revealed a pancreatic head tumor with duodenal infiltration and liver metastases, alongside cholelithiasis and goiter.
Findings:
- Histopathology suggested an islet cell tumor, confirmed by positive Hellman-Hellerström silver impregnation.
- Electron microscopy identified secretory granules characteristic of D cells.
- Tumor tissue demonstrated significantly elevated somatostatin levels (1.3 µg/g).
Implications:
- This case highlights a rare somatostatin-producing pancreatic tumor (somatostatinoma).
- Early diagnosis and surgical intervention are crucial for managing such rare pancreatic neoplasms.
- Understanding the specific tumor markers aids in accurate diagnosis and treatment planning.