Objective: To review and summarize the current literature on transnasal esophagoscopy, and to compare information with conventional esophagoscopy. Data Sources: Medline (Ovid), book chapters. Review Methods: A thorough review of the literature using the Medline database was performed with the following search terms: esophagoscopy, transnasal esophagoscopy, ultrathin endoscopy, and esophagoscope. Results: The literature seems to support the equivalence of transnasal esophagoscopy and conventional esophagoscopy in image quality and diagnostic capability. It also points to some potential advantages of transnasal esophagoscopy. Conclusions: Transnasal esophagoscopy is a useful tool for accurate diagnosis and can be used in a variety of office procedures.
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