Comparison of Endoscopic Resection and Minimally Invasive Esophagectomy in Patients With Early Esophageal Cancer

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To determine whether endoscopic resection (ER) and minimally invasive esophagectomy (MIE) are safe and effective for treating squamous intraepithelial neoplasia of the esophagus.

Materials and Methods:

This study retrospectively analyzed a total of 99 consecutive patients with pathologically confirmed early esophageal cancer between December 2007 and 2011. ER was performed in 59 patients, whereas MIE was performed in 40 patients. We compared the 2 groups according to R0 resection rates, treatment-related complications, mean hospital stay, local recurrence rates, and 3- and 4-year overall survival.


No significant differences were found in the R0 resection rates between ER and MIE (94.9% vs. 97.5%, P>0.05). The occurrence rate of minor complications in the ER group was significantly lower than that in the thoracoscopic esophagectomy group (11.8% vs. 32.5%, P>0.05). The mean operative time in the ER group was 74±23 minutes, which was significantly shorter than that in the MIE group (298±46 min). The average length of hospital stay in the ER group was significantly shorter than that in the MIE group (P<0.001). No significant differences were observed in the local recurrence rates between the 2 groups (P>0.05). Similarly, no differences were found in the 3-year survival rate (ER: 96.6%, vs. MIE: 97.5%, P>0.05) and 4-year survival rate (ER: 91.5% vs. MIE: 90%, P>0.05) between the 2 groups.


ER achieves the same positive results as MIE in the treatment of early esophageal cancer and is associated with a lower complication rate, a shorter recovery time, and a similar survival rate. However, multiple ER procedures were required for several patients in this study.

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