Organisms in the Upper Gastrointestinal Tract: A Report of 3 Cases With Varying Presentations.

species are anaerobic gram-positive cocci rarely seen in the upper gastrointestinal tract and associated with delayed gastric emptying. We present 3 cases of infection with varying clinical presentations including the first reported case of in a patient with eosinophilic esophagitis. Although the pathogenesis of is unclear, awareness of the bacteria is important as they can usually only be detected on histopathologic examination of upper gastrointestinal biopsies.