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Multicentric angiosarcoma of the gastrointestinal tract
1Second Department of Pathology, Niigata University School of Medicine, Japan. usuda@med.niigata_u.ac.jp
Pathology International
|August 1, 1997
Summary
This case report details a rare multicentric gastrointestinal angiosarcoma, a vascular cancer, presenting with severe bleeding. The patient
Area of Science:
- Gastroenterology
- Oncology
- Pathology
Background:
- Gastrointestinal angiosarcoma is a rare and aggressive vascular malignancy.
- Multicentric presentation is exceptionally uncommon.
- Chronic renal failure patients on long-term dialysis may have increased cancer risks.
Observation:
- A patient with a 21-year history of hemodialysis presented with severe melena.
- Endoscopy revealed gastric and duodenal polyps, later diagnosed as angiosarcoma.
- Autopsy confirmed widespread multicentric tumors from the duodenum to the cecum.
Findings:
- Histological examination revealed vasoformative tumors positive for von Willebrand factor, CD34, and CD31.
- Extensive metastases were found in the lungs, bones, liver, gallbladder, and lymph nodes.
- The patient succumbed to respiratory failure despite surgical intervention.
Implications:
- This case highlights a potential association between long-term dialysis and multicentric gastrointestinal angiosarcoma.
- Early diagnosis and understanding of risk factors are crucial for managing this rare condition.
- Further research is warranted to explore the link between dialysis and angiosarcoma development.