Outcomes of endoscopic resection for high-grade dysplasia and esophageal cancer
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- Nurkin, S.J., Nava, H.R., Yendamuri, S. et al. Surg Endosc (2014) 28: 1090. doi:10.1007/s00464-013-3270-3
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Endoscopic resection (ER) is an important advance in the management of esophageal tumors. It has been used successfully for superficial esophageal cancer and high-grade dysplasia (HGD) arising out of Barrett epithelium.
From a single institution within the Department of Surgery, patients who underwent ER for esophageal tumors between December 2001 and January 2012 were evaluated. Demographic, clinical, and pathologic variables were collected and reviewed.
We identified 81 patients who underwent ER for esophageal lesions. Median patient age was 69 years, and the median follow-up was 3.25 years. In patients with HGD, at the time of last endoscopy, the complete eradication rate of HGD was 84 % and cancer-specific survival was 100 %. During surveillance, one patient developed an invasive carcinoma that required endoscopic therapy. Patients with T1a and negative deep margins on ER had a recurrence-free and cancer-specific survival of 100 %. There were seven patients with T1b and negative margins on ER. Three patients underwent esophagectomy; final pathology revealed no residual malignancy or lymph node metastasis. Two patients had definitive chemoradiation, and two patients were observed. To date, there has been no cancer recurrence. In all patients who underwent ER, there was one episode of bleeding that required endoscopic treatment and admission for observation.
ER can be performed safely and can adequately stage and often treat patients with HGD and superficial cancers. Patients with HGD and T1a disease with negative margins are cured with ER alone. Observation and surveillance may be an option for select patients with low-risk, early submucosal disease (T1b) and negative margins.