Increased Rate of Incidental Colorectal Malignant Polyps: A Single-Center Experience

Table 3

Chronologically listed results of studies reporting the rate of residual adenocarcinoma at the polypectomy site and lymph node metastasis after surgical resection following endoscopically resected colorectal incidental malignant polyps.

Article	Year		Patients per year,	Number of surgically resected patients,	Residual adenocarcinoma at the polypectomy site, % (95% CI)	Lymph node metastasis, % (95% CI)	Either residual cancer or lymph node metastasis, % (95% CI)
Choi et al. [8]	2008	168	11	168	14% (8.8–19.3)	n.a.	n.a.
Boenicke et al. [9]	2009	105	7	65	2% (0–5.4)	11% (3.4–18.6)	n.a.
Butte et al. [10]	2011	143	8	143	7% (2.8–11.2)	10% (5.1–15.0)	n.a.
Benizri et al. [11]	2012	64	6	64	3% (0–7.2)	8% (1.4–14.7)	n.a.
Naqvi et al. [12]	2012	65	6	12	58% (30.1–86.0)	17% (0–38.3)	n.a.
Steigen et al. [13]	2013	74	6	19	32% (11.0–53.0)	5% (0–14.9)	n.a.
Gonçalves et al. [14]	2013	40	8	31	23% (8.2–37.9)	32% (15.6–48.4)	48% (30.4–65.6)
Jung et al. [15]	2015	50	12	50	18% (7.4–28.7)	10% (1.7–18.3)	18% (7.6–28.7)
Levic et al. [16]	2015	50	10	23	22% (5.1–39.0)	22% (5.1–39.0)	30% (11.3–48.8)
Current study	2016	63	31	27	10% (0–20.5)	11% (0–22.3)	19% (4.2–33.9)

Studies with less than 25 patients undergoing additional major surgical resection; 95% CI: 95% confidence interval; n.a.: not available.