Minimally Invasive Approaches for the Management of “Difficult” Colonic Polyps
Table 2
Characteristics and pathology of polyps removed by EMR, LAEP, and LAC.
Characteristic
EMR ()
LAEP ()
LAC ()
Polyp size(cm)*
Location of polyps (%)
Sigmoid colon (32.6)
Hepatic flexure (24.2)
Cecum (32.4)
Ascending colon (25.6)
Sigmoid colon (24.2)
Ascending colon (30.9)
Transverse colon (16.3)
Ascending colon (15.2)
Hepatic flexure (17.6)
Pathology (%)†
Tubular (53.3)
Tubular (40.0)
Tubular (38.2)
Villous (16.7)
Villous (20.0)
Tubulovillous (35.3)
Tubulovillous (13.3)
Tubulovillous (12.0)
Villous (13.2)
Serrated adenoma (10.0)
Adenocarcinoma (12.0)
Serrated adenoma (5.9)
Adenocarcinoma (3.3)
Serrated adenoma (8.0)
Submucosal lipoma (4.4)
Hyperplastic (3.3)
Hyperplastic (8.0)
Adenocarcinoma (1.5)
Hyperplastic (1.5)
*
Data provided as mean ±standard deviation. †Includes cases salvaged by LAC (i.e., failed initial attempt at removal by EMR or LAEP). EMR: endoscopic mucosal resection, LAC: laparoscopic-assisted colectomy, and LAEP: laparoscopic-assisted endoscopic polypectomy.
