Figure 1From: Eosinophilic gastroenteritis with refractory ulcer disease and gastrointestinal bleeding as a rare manifestation of seronegative gastrointestinal food allergy Endoscopic and histologic findings in the patient with recurrent gastrointestinal bleeding and seronegative gastrointestinal bleeding before and after antiallergic treatment. A: Several confluating fibrinous ulcers and swelling within the bulb of the duodenum persisting for more than 3Â years despite successful helicobacter eradication. B: Chronic inflammation of the duodenum with dense eosinophils within the mucosa. C: Endoscopic view to distal bulb of the duodenum without ulcers or swelling 9Â months after allergen elimination, but beginning deformation of the bulb. D: Chronic inflammation of the duodenum, but decrease of eosinophils.Back to article page