case_images: PMC9203986_01
case_images: Videofluoroscopic swallowing study and esophageal transit evaluation. (A) Alterations of esophageal profile. (B) Detail of the proximal portion of barium column in A. Esophageal mucosa contrasted with a low amount of barium shows some horizontal lines suggesting the presence of rings.
case_images: EXCLI-21-651-g-001.jpg
case_images: PMC9203986_01_EXCLI-21-651-g-001.jpg
case_images: F1
case_images: The presence of mildly spiculed esophageal profile was evident (Figure 1(Fig. 1)).
case_images: Endoscopic appearance of esophageal mucosa. (A) Rings and furrows at the distal esophagus, the juxtacardiac tract. (B) Rings at the distal esophagus. (C) Rings, furrows and exudates at the mid esophagus. (D) rings at the proximal esophagus
case_images: EXCLI-21-651-g-002.jpg
case_images: PMC9203986_01_EXCLI-21-651-g-002.jpg
case_images: F2
case_images: Upper endoscopy showed mucosal rings, furrows and exudates along the esophagus (Figure 2(Fig. 2)).