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[Sub-peritoneal schwannoma (author's transl)]
Journal D'Urologie
|January 1, 1980
Summary
This case study highlights a rare sub-peritoneal malignant schwannoma, developing years after a sigmoid schwannoma excision. It demonstrates that these rare tumors, typically benign, can recur malignantly.
Area of Science:
- Oncology
- Surgical Pathology
Background:
- Schwannomas, tumors arising from Schwann cells, are typically benign and rarely recur.
- Malignant schwannomas are exceptionally rare, accounting for less than 2% of all tumors.
- These tumors commonly arise in the nervous system or digestive tract.
Observation:
- A rare case of sub-peritoneal malignant schwannoma is presented.
- The tumor developed 5 years after the excision of a sigmoid schwannoma.
- The non-excised tumor caused significant compression of the bladder and a ureter.
Findings:
- This case challenges the notion that schwannomas are exclusively benign and do not recur.
- The development of a malignant variant underscores the importance of long-term surveillance after schwannoma excision.
- Histopathological analysis confirmed the malignant nature of the recurrent tumor.
Implications:
- Highlights the potential for malignant transformation and recurrence in schwannoma cases.
- Emphasizes the need for vigilance and comprehensive follow-up in patients with a history of schwannoma.
- Contributes to the understanding of rare soft tissue tumors and their behavior.