endoscopic submucosal dissection
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2022 ◽  
Vol 14 (1) ◽  
pp. 49-62
Author(s):  
Yasuhiro Inokuchi ◽  
Ayaka Ishida ◽  
Kei Hayashi ◽  
Yoshihiro Kaneta ◽  
Hayato Watanabe ◽  
...  

Cancers ◽  
2022 ◽  
Vol 14 (2) ◽  
pp. 424
Author(s):  
Ching-Ya Wang ◽  
Bo-Huan Chen ◽  
Cheng-Han Lee ◽  
Puo-Hsien Le ◽  
Yung-Kuan Tsou ◽  
...  

Background: Endoscopic submucosal dissection (ESD) combined with selective adjuvant chemoradiotherapy may be a new treatment option for cT1N0M0 esophageal squamous cell carcinoma (ESCC) invading muscularis mucosa or submucosa (pT1a-M3/pT1b). We aim to report the effectiveness of this treatment by comparing the results of esophagectomy. Methods: This retrospective single-center study included 72 patients with pT1a-M3/pT1b ESCC who received ESD combined with selective adjuvant chemoradiotherapy (n = 40) and esophagectomy (n = 32). The main outcome comparison was overall survival (OS). The secondary outcomes were treatment-related events, including operation time, complication rate, and length of hospital stay. Disease-specific survival (DSS) and progression-free survival (PFS) were also evaluated. Results: There were no significant differences in the rates of OS, DSS, and PFS between the two groups (median follow-up time: 49.2 months vs. 50.9 months); these were also the same in the subgroup analysis of pT1b ESCC patients. In the ESD group, the procedure time, overall complication rates, and length of hospital stay were significantly reduced. However, the metachronous recurrence rate was significantly higher. In a multivariate analysis, tumor depth and R0 resection were the independent factors associated with OS. Conclusions: ESD combined with selective adjuvant chemoradiotherapy can be an alternative treatment to esophagectomy for cT1N0M0 ESCC invading muscularis mucosa or submucosa.


2022 ◽  
Author(s):  
Cheol Woong Choi ◽  
Su Jin Kim ◽  
Dae Gon Ryu ◽  
Dae Hwan Kang ◽  
Hyung Wook Kim ◽  
...  

Abstract Background: Endoscopic submucosal dissection (ESD) is considered the treatment of choice for early gastric cancer (EGC) with a negligible risk of lymph node metastasis. However, locally recurrent lesions on artificial ulcer scars are difficult to manage. Therefore, predicting the risk of local recurrence after ESD is important to manage and prevent the event. This study aimed to elucidate risk factors associated with local recurrence after ESD of EGC.Methods: Between November 2008 and February 2016, consecutive patients (n=641; mean age, 69.3±9.5 years; men, 77.2%) with EGC who underwent ESD at a single tertiary referral hospital were retrospectively analyzed to evaluate the incidence and factors associated with local recurrence. Local recurrence was defined as the development of neoplastic lesions at or adjacent to the site of the post-ESD scar.Results: En bloc and complete resection rates were 97.8% and 93.6%, respectively. The local recurrence rate after ESD was 3.1%. The mean follow-up period after ESD was 50.7±32.5 months. One case of gastric cancer-related death (0.15%) was noted, wherein the patient had refused additive surgical resection after ESD for EGC with lymphatic and deep submucosal invasion. Lesion size ≥15 mm, incomplete histologic resection, undifferentiated adenocarcinoma, scar, and absence of erythema of the surface were associated with a higher risk of local recurrence. Conclusions: Predicting local recurrence during regular endoscopic surveillance after ESD is important, especially in patients with a larger lesion size (≥15 mm), incomplete histologic resection, surface changes of scars, and no erythema of the surface.


Author(s):  
Hideyuki Chiba ◽  
Ken Ohata ◽  
Jun Tachikawa ◽  
Keiji Yamada ◽  
Naoya Okada ◽  
...  

Author(s):  
Hiroyuki Hisada ◽  
Naoki Tamura ◽  
Yosuke Tsuji ◽  
Sayaka Nagao ◽  
Kazushi Fukagawa ◽  
...  

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