VANCOUVER, B.C.—Eosinophil-derived neurotoxin is a practical, simple and useful biomarker for eosinophilic esophagitis, according to a new study comparing EDN with other diagnostic tools.
“We are already using EDN testing at our center. It can clarify the diagnosis in challenging cases, it is easy to use, and it is not expensive,” reported Yamen Smadi, MD, a pediatric gastroenterologist at the Arnold Palmer Hospital for Children, in Orlando, Fla.
There are many challenges in the