Skip to main content

Table 1 Summary of clinicopathological features in each case of sessile serrated adenoma/polyp (SSA/P) with dysplasia and invasive adenocarcinoma

From: Molecular characterization of sessile serrated adenoma/polyps with dysplasia/carcinoma based on immunohistochemistry, next-generation sequencing, and microsatellite instability testing: a case series study

Case No. Age Sex Location Macroscopic type Size (mm) Histological type Depth of invasion (μm) Mucinous component Lymphatic invasion Vascular invasion Lymph node metastasis Removal method
1 67 F A Sessile 10 HGD Mucosa EMR
2 69 M S Semipedunculated 10 HGD Mucosa EMR
3 79 F C Sessile 14 HGD Mucosa EMR
4 61 F A Sessile 18 HGD Mucosa ESD
5 61 M D Sessile 31 Well-ACA Submucosa (400) ESD + OPE
6 75 F A Sessile 15 Well-ACA Submucosa (1100) EMR + OPE
7 73 F A Sessile 25 Mod-ACA Submucosa (2000) + + OPE
8 65 F T Sessile 19 Mod-ACA Submucosa (4000) + OPE
  1. M Male, F Female, C Cecum, A Ascending colon, T Transverse colon, D Descending colon, S Sigmoid colon, HGD High-grade dysplasia, Well-ACA Well-differentiated adenocarcinoma, Mod-ACA Moderately-differentiated adenocarcinoma, EMR Endoscopic mucosal resection, ESD Endoscopic submucosal dissection, OPE Operation, + present; − absent