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Table 1 Summary of surgical procedures for the resection of rectal GIST

From: Management of a case of high-risk gastrointestinal stromal tumor in rectum by transanal minimal invasive surgery

S.N Procedure Benefits Demerits Cost Morbidity rate.
1. Local trans-anal resection [6, 12] • Used usually for lower rectal lesions
• Easy and minimally invasive
Local recurrences is high due to poor quality of excision and fragmentation of tumor Cheaper Up to 22%
2. Trans-sacral resection [11, 20] Beneficial for GISTS that are large and grow away from rectal lumen • More invasive than TAMIS
• Increased risk of poor perineal wound healing and fecal fistula
Cheaper Up to 21%
3. TEM [12, 16] Superior quality of resection, decreased local recurrence, and improved survival • Anorectal dysfunction may occur due to rigid anoscope
• Steep learning curve and need of highly qualified surgeon
Expensive than TAMIS Up to 29%
4. TAMIS [6, 16] • Superior operative results
• Convenient access device and less effects on anorectal functions
Difficult to access upper rectum and not suitable for large tumors Reasonable cost Up to 7.4%