Radiologically, the term " ringed esophagus " has been used for the appearance of eosinophilic esophagitis on barium swallow studies to contrast with the appearance of transient transverse folds sometimes seen with esophageal reflux ( termed " feline esophagus " ).
22.
Before FEESST was invented, all tests of swallowing, be they X-ray based tests ( Modified Barium Swallow ( MBS ) or endoscopy-based tests ( Fiberoptic Endoscopic Evaluation of Swallowing ( FEES ) solely looked at the motor component of swallowing without examining the sensory aspect of a swallow or the ability to feel.