Detection and treatment of synchronous lesions in colorectal cancer: The clinical implication of perioperative colonoscopy

Table 3 Treatment of synchronous lesions

	No. of patients withsynchronous lesions	No. of lesions
Preoperative colonoscopy cases (n = 265)	1051	255
Preoperative polypectomy	77	156
Surgical removal	37	99
Included within specimen	18	51
Segmental resection	6	12
Enterotomy/wedge resection	10	15
Subtotal colectomy	3	21
Intraoperative colonoscopy cases (n = 51)	19	33
Endoscopic polypectomy	5	7
Surgical removal	7	13
Segmental resection	3	7
Enterotomy	4	6
Included within specimen2	7	13
Total	124	282

¹Dual procedure were performed for some patients, therefore, the sum exceeds the total number of patients.

²These lesions were not recognized until postoperative specimen examination.