Table 2 Clinicopathologic features of the previous studies
Case | Reference | Age (yrs) / Sex | Location of polyp | Procedure | Polyp size (mm) | Histology of glandular component | Initial diagnosis | Size of micro-carcinoid (mm) | SYN | CHR |
|---|---|---|---|---|---|---|---|---|---|---|
1 | Lyda et al., 1988 [10] | 80/M | Ascending colon | Polypectomy followed by RHC | 30 | TVA, HGD | TVA and carcinoid tumor | NS | + | NS |
2 | Pulitzer et al., 2006 [1] | 77/F | Cecum | Polypectomy followed by RHC | <10 | TA, HGD | TA with HGD and endocrine neoplasia of UMP | NS | + | + |
3 | Pulitzer et al., 2006 [1] | 77/M | Cecum | Polypectomy | 13 | TA | TA with squamous metaplasia | NS | + | – |
4 | Pulitzer et al., 2006 [1] | 77/F | Cecum | Polypectomy followed by RHC | 20 | SIAC | TVA, HGD | NS | + | + |
5 | Pulitzer et al., 2006 [1] | 62/F | Descending colon | Polypectomy | 5 | TA | TA with microcarcinoid | NS | + | + |
6 | Lin et al., 2012 [7] | 51/M | Rectum | Polypectomy followed by proctosigmoidectomy | 20 | TVA | TVA with microcarcinoid | 1 | + | + |
7 | Lin et al., 2012 [7] | 59/M | Rectum | Polypectomy followed by proctosigmoidectomy | 13 | Adenoma | Adenocarcinoma | 1 | + | + |
8 | Lin et al., 2012 [7] | 66/F | Cecum | Polypectomy followed by RHC | 15 | TA | TA and microcarcinoid | 1 | NS | NS |
9 | Lin et al., 2012 [7] | 56/M | Sigmoid colon | Polypectomy followed by transanal excision | 25 | TVA | TVA and microcarcinoid | 1 | NS | NS |
10 | Salaria et al., 2013 [8] | 55/M | Right colon | NS | 53 | TA | Suspicion of invasive carcinoma | 2 | + | NS |
11 | Salaria et al., 2013 [8] | 54/F | Transverse colon | NS | 14 | TA, HGD | TA, HGD | 1 | NS | NS |
12 | Salaria et al., 2013 [8] | 81/F | Left colon | NS | 12 | TVA, HGD | TVA, HGD | 3 | + | – |
13 | Salaria et al., 2013 [8] | 28/F | Right colon | NS | 34 | TVA, HGD | TVA, HGD, with squamous morules | 7 | + | – |
14 | Salaria et al., 2013 [8] | 82/M | Right colon | NS | 15 | TVA | Suspicion of invasive carcinoma | 5 | + | – |
15 | Salaria et al., 2013 [8] | 72/F | NS | NS | 15 | TVA | NS | 5 | NS | NS |
16 | Salaria et al., 2013 [8] | 60/F | Right colon | NS | 7 | TVA, HGD | TVA, HGD | 3 | – | – |
17 | Salaria et al., 2013 [8] | 55/M | Left colon | NS | 12 | TA | TA with squamous morules | 7 | NS | NS |
18 | Salaria et al., 2013 [8] | 48/M | Left colon | NS | 15 | TVA | TVA with squamous morules | 4 | + | – |
19 | Salaria et al., 2013 [8] | 62/M | Left colon | NS | 25 | TVA | TVA with squamous morules | 4 | NS | NS |
20 | Salaria et al., 2013 [8] | 51/F | Left colon | NS | 30 | TVA | TVA with squamous morules | 2 | NS | – |
21 | Thosani et al., 2014 [9] | 73/M | Hepatic flexure | NS | NS | TVA | NS | NS | + | – |