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Table 2 Treatment outcomes of rectal carcinoid tumors

From: Ligation-assisted endoscopic mucosal resection has high complete resection rate in rectal carcinoid tumor

  Number Tumor size CR-E CR-P ARM (mm) ICR-P UR-P CR-C Follow up period (months) Recurrence rate (%)
LEMR 25 (17%) 6.3 ± 2.7 mm
(range, 3–11 mm)
25 (100%) 25 (100%) 1.3 0 (0%) 0 (0%) 100% (25/25) 8.6 (6–26) 0
EMR 31 (21%) 6.6 ± 2.3 mm
(range, 3–12 mm)
30 (97%) 13 (42%) 0.4 8 (26%) 10 (32%) 71% (22/31) 12.8 (8–61) 29
Polypectomy 30 (21%) 7.4 ± 4.5 mm
(range, 2–20 mm)
18 (60%) 1 (3%) 0.5 17 (57%) 12 (40%) 17% (3/18) 19.3 (2–47) 83
Biopsy removal 46 (32%) 3.4 ± 1.5 mm
(range, 1–6 mm)
  2 (4%) 0.1 21 (46%) 23 (50%) 7% (2/27) 21.6 (1–84) 93
Surgical resection 13 (9%) 9.7 ± 7.8 mm
(range, 2–25 mm)
  11 (85%) 1.5 0 (0%) 2 (15%) 100% (13/13) 27.0 (9–91) 0
  1. CR-E, complete resection based on endoscopic evaluation; CR-P, complete resection based on pathologic evaluation; ICR-P, incomplete resection based on pathologic evaluation; UR-P, undetermined resection margin based on pathologic evaluation; CR-C, complete resection based on clinical follow up; ARM, average resection margin for complete resected tumors