Esophageal Introitus Chinese (DV061c)

Type: Chinese Titles


This CME activity consists of the ASGE video, Esophageal Introitus, followed by a post-assessment and evaluation.

For gastrointestinal endoscopists and otolaryngologists, esophageal introitus (EI) is the arbitrary yet overlapping boundary. Many times, the term EI is used interchangeably with the pharyngoesophageal sphincter or upper esophageal sphincter. In this review, the authors broadened the definition of EI to cover the lower part of the hypopharynx posterior to the larynx, esophageal opening posterior to the cricoid prominence and between the bilateral pyriform fossae, and the cervical esophagus. Although much pathology can be observed within this region, careful and systemic examination of the EI is often not stressed enough during endoscopic training and practice. The authors demonstrate its anatomy, endoscopic findings and pathologies within EI and their management.

Target Audience:

Practicing gastroenterologists, gastroenterology fellows and trainees, medical residents, physician assistants, and nurses.

Learning Objectives:

Upon completion of this educational activity, participants will be able to:

  • Identify normal endoscopic landmarks and findings within the EI.
  • Diagnose common endoscopic findings such as gastric mucosa heterotopia, web, radiation stricture, cricopharyngeal bar, mucositis, foreign body impaction, etc.
  • Identify and manage uncommon pathologies such as various types of diverticulum, pemphigus, pemphigoid, etc.

Video Release Date:    May 1, 2014
Online CME Release Date:  October 6, 2015
Most Recent CME Review Date: January 31, 2017
CME Expiration Date:   January 31, 2020

Expected Time of Activity Completion:  65 Minutes (1.00 CME Credit)

Price: Member: $115 / Non-Member: $155

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