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Published on: July 20, 2014
Intraabdominal schwannomas: a single institution experience
Brian K P Goh1, Pierce K H Chow, Sittampalam Kesavan
1Department of General Surgery, Singapore General Hospital, Outram Road, Singapore, Singapore 169608. bsgkp@hotmail.com
Summary
Intraabdominal schwannomas are rare, benign tumors often found in the gastrointestinal tract. Complete surgical excision is recommended due to diagnostic challenges, with excellent long-term outcomes.
Area of Science:
- Oncology
- Gastroenterology
- Surgical Pathology
Background:
- Intraabdominal schwannomas are uncommon, benign neoplasms.
- This study details a single institution's experience with 12 intraabdominal schwannoma cases.
Purpose of the Study:
- To review the clinical characteristics, diagnosis, and management of intraabdominal schwannomas.
- To highlight the diagnostic difficulties and treatment outcomes for these rare tumors.
Main Methods:
- Retrospective review of 12 patients with pathologically confirmed intraabdominal schwannomas diagnosed between 1991 and 2006.
- Analysis of preoperative investigations, tumor characteristics, and surgical outcomes.
Main Results:
- Nine female and three male patients, median age 58 years, mostly symptomatic.
- Tumors predominantly located in the gastrointestinal tract (GIT); preoperative diagnosis was challenging.
- All patients achieved disease-free status post-surgical excision with a median follow-up of 22 months.
Conclusions:
- Intraabdominal schwannomas are rare, predominantly GIT-based tumors.
- Preoperative diagnosis is difficult due to nonspecific findings on endoscopy and CT scans.
- Complete surgical excision is the recommended treatment, offering excellent long-term prognosis.