Transcutaneous cervical esophagus ultrasound in adults: Relation with ambulatory 24-h pH-monitoring and esophageal manometry

Figure 1 The TCEUS appearance with and without refluxate. A: A pattern showing no anechoic fluid in the lumen. Note anterior esophageal wall (distance between the open arrowheads), esophageal lumen without fluid inside and hyperechogenic bands representing collapsed lumen and mucosa (dark dot). T: thyroid; B: A pattern showing anechoic fluid in the lumen. Note esophageal wall (distance between the open arrowheads), refluxate in the esophageal lumen (distance between the dark arrowheads) and esophageal diameter (distance between the asterisks).