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Create a Free AccountAnatomy - Esophagus
Endoscopic submucosal dissection for superficial pharyngeal carcinoma using transnasal endoscope
Detection of superficial pharyngeal carcinoma is becoming more common with advances such as narrow-band imaging and blue-laser imaging.1,2 Endoscopic submucosal dissection (ESD) for superficial pharyngeal carcinoma is useful as a minimally invasive treatment.3,4 However, lesions at the posterior wall of the oropharynx are usually difficult to resect using a conventional transoral endoscope because they are perpendicular to the muscle layer and the subepithelial layer is quite narrow at this site (Fig. 1).New safety measure for the endoscopic procedures during the COVID-19 pandemic: New STEP
The novel coronavirus disease (COVID-19) has become prevalent worldwide. As of July 2020, more than 10 million persons were reported to be infected worldwide, and the number of deaths exceeded 500,000. Infection of medical staff continues to be a major problem.1 Endoscopic procedures in particular pose risk of droplet and aerosol infection, and adequate infection control is therefore essential. Many organizations have proposed measures for infection control.2-4 Current infection control protocol consists of the following 3 steps: (1) before the procedure—disinfecting the hands of medical staff before endoscopic examination; (2) during the procedure—wearing appropriate personal protective equipment; and (3) after the procedure—washing the endoscope room and equipment and disinfecting the hands of medical staff.Retrograde percutaneous transgastric esophageal endoscopic submucosal dissection: a peculiar endoscopic submucosal dissection technique for therapy of esophageal cancer with esophageal stenosis after chemoradiation therapy
The patient was a 69-year-old man who had received chemoradiotherapy for T3N2M0, stage III cervical esophageal cancer 10 years earlier and exhibited complete response. He developed cervical esophageal stenosis caused by fibrosis as a result of treatment and experienced dysphagia within 1 year after treatment.
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