Characteristics of synchronous and metachronous multiple gastric tumors after endoscopic submucosal dissection of early gastric neoplasm
- Affiliated Author(s)
- 황재석; 조광범; 박경식; 이주엽; 이유진; 정우진; 장병국
- Alternative Author(s)
- Hwang, Jae Seok; Cho, Kwang Bum; Park, Kyung Sik; Lee, Ju Yup; Lee, Yoo Jin; Chung, Woo Jin; Jang, Byoung Kuk
- Journal Title
- Clinical Endoscopy
- ISSN
- 2234-2400
- Issued Date
- 2018
- Keyword
- Endoscopic submucosal dissection; Neoplasms; second primary; Stomach neopla는
- Abstract
- Background/Aims:
Endoscopic submucosal dissection (ESD) has been widely accepted as a method of treatment of early gastric tumor. This study aimed to identify the incidence and characteristics of multiple gastric tumors after ESD.
METHODS:
Patients with early gastric tumors who were treated by ESD from January 2004 to June 2012 and followed up with endoscopic examination periodically for at least 1 year were enrolled. All multiple gastric lesions were subsequently treated with ESD and the medical records of the patients were retrospectively reviewed.
RESULTS:
In total, 643 patients were included. The mean duration of endoscopic follow-up was 45.27±27.59 (range, 12-148) months. Overall, 144 patients (22.4%) showed multiple gastric tumors during the follow-up period (44 synchronous [6.8%] and 100 metachronous [15.5%]). The cumulative incidence rate steadily increased during the follow-up period. More than 50% of the tumors that developed at the same longitudinal location of the stomach were of the same macroscopic and histological type as the primary lesions.
Conclusions:
Because synchronous and/or metachronous gastric tumors are common, considerable attention should be paid to detect multiple gastric lesions after ESD of early gastric neoplasm.
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