Fig. 3. Endoscopic images suggestive of esophageal motility disorders. (A) Rosette sign with resistance when passing through the gastroesophageal junction in esophageal achalasia. (B) Esophageal luminal dilatation and (C) residual fluid with hyperkeratosis on esophageal squamous epithelium in advanced esophageal achalasia. (D) Spastic contraction in distal esophageal spasm.
© J Neurogastroenterol Motil
