S.N | Procedure | Benefits | Demerits | Cost | Morbidity rate. |
---|---|---|---|---|---|
1. | • 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. | 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. | 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. | • 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% |