Combined use of a magnifying endoscope with a narrow band imaging system and a multibending endoscope for en bloc EMR of early stage gastric cancer.

Abstract:

BACKGROUND:En bloc EMR is performed in Japan as a curative treatment for early stage gastric cancer. However, current methods of EMR are technically difficult and require proficiency in determining the extent of the cancer. This study assessed the feasibility of a new method to obviate these problems and to facilitate en bloc EMR. METHODS:The new method uses two types of endoscopes: a magnifying endoscope with a narrow band imaging system to enhance the definition of mucosal and microcirculatory structure, and an endoscope with multibending tip deflection to maintain orientation during EMR. Forty-two consecutive cases of mucosal gastric cancer treated by EMR were reviewed retrospectively. In 12 of these patients, 12 lesions that fulfilled guideline criteria for EMR were treated by the modified, en bloc EMR method of circumferential incision and snare resection by using the two endoscopes. RESULTS:The rate of complete en bloc resection with the new method of EMR was 91.7%, (11/12). There was no major complication. CONCLUSIONS:The new en bloc resection method for EMR with two endoscopes described here is feasible and may be a safe and a reliable technique for curative treatment of mucosal gastric cancer.

journal_name

Gastrointest Endosc

authors

Sumiyama K,Kaise M,Nakayoshi T,Kato M,Mashiko T,Uchiyama Y,Goda K,Hino S,Nakamura Y,Matsuda K,Mochizuki K,Kawamura M,Tajiri H

doi

10.1016/s0016-5107(04)01285-4

keywords:

subject

Has Abstract

pub_date

2004-07-01 00:00:00

pages

79-84

issue

1

eissn

0016-5107

issn

1097-6779

pii

S0016-5107(04)01285-4

journal_volume

60

pub_type

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