The initial impression from the colonoscopy and biopsy results was that the patient ... and friability of the ileocecal valve (Figure 1); the terminal ileum could not be intubated.

The pH probe is inserted down the biopsy channel to make contact with the mucosa and record the pH at its surface ... Luminal pH in the proximal small bowel ranges from 5.5 to 7.0 and gradually rises ...

The symptoms include abdominal pain, weight loss, vomiting and diarrhea. Biopsy samples taken during endoscopic examination allows the diagnosis of the disease. An infiltration of >30 eosinophils ...