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PubMed1987

Pneumomediastinum after self-dilation of the esophagus.

Pneumomediastinum following esophageal perforation is a known complication of Eder Puestow dilation for esophageal stenosis. This is the first reported case of esophageal perforation and pneumomediastinum occurring after instrumental self-dilation of a stenotic esophageal lesion. The observed 0.02 percent perforation rate in this patient (compared to the reported 0.3 percent in Eder Puestow "hetero"-dilation) makes the Eder Puestow auto-dilation procedure seem justifiable in a well-trained and well-informed patient.

Aged↗
PubMedDate not supplied

Endoscopic mucosal resection for early esophageal cancer and esophageal dysplasia.

BACKGROUND/AIMS: Advances in diagnostic technology have led to increased detection of early esophageal cancer, which is suitable for endoscopic treatment. We performed endoscopic esophageal mucosal resection of such cancer and dysplasia using the endoscopic esophageal mucosal resection tube and evaluated the clinical benefit of this technique. METHODOLOGY: Twenty-nine patients with esophageal mucosal cancer (27 cases with 33 lesions) or dysplasia (2 cases with 2 lesions) diagnosed between September 1992 and March 1998 were assessed endoscopically for the depth and extent of invasion by double staining with toluidine blue and iodine. Endoscopic ultrasonography was also performed to assess the depth of invasion in 22 cases with 22 lesions. RESULTS: The 35 esophageal lesions comprised 27 esophageal carcinomas and 8 areas of dysplasia. Twenty of the 35 lesions were resected en bloc and 15 were resected piecemeal. Subsequent surgery was performed for 5 cases with 7 lesions out of 10 cases with 15 lesions that were histopathologically diagnosed as m3 or more invasive. No recurrence has been detected in 24 evaluable cases (including 1 who died of another disease, 2 in whom surgery could not be performed due to complications, and 3 who refused subsequent surgery). No patients died of esophageal cancer after a mean follow-up period of 30.9 +/- 18.9 months. The 4-year survival rate was 100% in the m2 or less invasive group of 19 cases with 20 lesions, 75% in the m3 or higher invasive group of 5 cases with 8 lesions and 100% in the surgery group of 5 cases with 7 lesions (NS). No serious complications occurred except for 1 patient. Circumferential mucosal resection was done in this patient, resulting in esophageal stenosis, which responded to esophageal dilation. CONCLUSIONS: Esophageal mucosal resection using the endoscopic esophageal mucosal resection tube is safe and beneficial for early esophageal cancer and dysplasia.

Adult↗