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Uptodate Reference Title
Endoscopic ultrasound (EUS) of normal esophagus
Endoscopic ultrasound (EUS) of normal esophagus
EUS examination of the normal esophagus showing the typical five-layer pattern: first hyperechoic layer (interface between lumen and mucosa), second hypoechoic layer (deep mucosa including muscularis mucosa), third hyperechoic layer (submucosa), fourth hypoechoic layer (muscularis propria), and fifth hyperechoic layer (adventitia interface).
Courtesy of Enrique Vazquez-Sequeiros, MD and Maurits J Wiersema, MD.