Research Article

Endoscopic Submucosal Dissection of Gastric Epithelial Neoplasms after Partial Gastrectomy: A Single-Center Experience

Table 1

Clinicopathologic characteristics of patients with gastric epithelial neoplasms in the remnant stomach.

TotalDistal
gastrectomy
Gastric
conduit

Patient characteristics
 Patients, n29209
 Median age
(range, years)
69 (44–80)69 (44–80)72 (54–78)
 Sex, n (%)
  Male24 (83)17 (85)7 (78)
  Female5 (17)3 (15)2 (22)
Neoplasm characteristics
 Lesions, n312110
 Median tumor size
(range, mm)
15 (5–40)14 (5–30)20 (8–40)
 Macroscopic type, n (%)
  Elevated19 (61)14 (67)5 (50)
  Flat/depressed12 (39)7 (33)5 (50)
 Location, n (%)
  Involving suture lines4 (13)2 (10)2 (20)
  Not involving suture lines27 (87)19 (90)8 (80)
 Histologic type, n (%)
  Adenoma9 (29)7 (33)2 (20)
  Carcinoma22 (71)14 (67)8 (80)
Cancer characteristics
 Lesions, n22148
 Median tumor size
(range, mm)
20 (7–40)20 (7–30)22.5 (8–40)
 Macroscopic type, n (%)
  Elevated12 (55)7 (50)6 (67)
  Flat/depressed10 (45)7 (50)3 (33)
 Location, n (%)
  Involving suture lines3 (14)1 (7)2 (25)
  Not involving suture lines19 (86)13 (93)6 (75)
 Histologic type, n (%)
  Differentiated16 (73)10 (71)6 (75)
  Undifferentiated6 (27)4 (29)2 (25)
 Invasion depth, n (%)
  Mucosa12 (55)7 (50)5 (63)
  Submucosa10 (45)7 (50)3 (37)