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Angiosarcoma of the large intestine - a case report
Zbigniew Kamocki1, Robert Wilamowski, Joanna Reszeć
1Department of Medical Pathomorphology, Medical University of Bialystok, Poland.
Contemporary Oncology (Poznan, Poland)
|June 22, 2013
Summary
This study details a rare case of angiosarcoma in the large intestine of an adult, a highly malignant vascular tumor. The patient achieved a unique four-year survival, contrasting with typical short prognoses for such cancers.
Area of Science:
- Oncology
- Vascular Neoplasms
Background:
- Hemangioendotheliomas are rare endothelial cell neoplasms, often benign in infants but malignant in adults.
- Large intestine hemangioendotheliomas are exceptionally rare in adults, typically presenting with high malignancy.
Observation:
- A 68-year-old patient presented with a preoperative diagnosis of a benign rectal tumor with ulcers.
- Intraoperative findings suggested a malignant process, leading to anterior rectal resection and lymphadenectomy.
Findings:
- Postoperative histopathology and immunohistochemistry confirmed angiosarcoma, a rare and aggressive vascular sarcoma.
- The patient experienced a unique four-year cancer-free survival, eventually succumbing to myocardial infarction.
Implications:
- This case highlights the possibility of prolonged survival in adult large intestine angiosarcoma, challenging typical poor prognoses.
- Understanding rare vascular sarcomas is crucial for accurate diagnosis and improved patient outcomes, despite challenges like Kasabach-Merritt syndrome.