Gastroenterology Research and Practice / 2016 / Article / Tab 2

Clinical Study

Thread-Traction with a Sheath of Polypectomy Snare Facilitates Endoscopic Submucosal Dissection of Early Gastric Cancers

Table 2

Characteristics of the tumors.

Conventional ESDESD with TTSPSp value

Number of lesions3454

Location (U : M : L)4 : 16 : 146 : 26 : 22NS

Histological typeAdenoma: 10
Diff.: 22
Undiff.: 2
Adenoma: 12
Diff.: 36
Undiff.: 6
NS

Depth
(mucosal : submucosal)
26 : 836 : 18NS

Macroscopic type
(depressed : nondepressed)
14 : 2026 : 28NS

Mean resected size
(mm) (range)
30
(14–60)
34
(16–55)
NS

En bloc resection rate (%)97.1
(33/34)
100
(54/54)
NS

ESD: endoscopic submucosal dissection; NS: not significant; TTSPS: thread-traction method using a sheath of polypectomy snare; U: fundus; M: corpus; L: antrum and pylorus; diff.: differentiated adenocarcinoma; and undiff.: undifferentiated adenocarcinoma.