<unk>  is a rare, heterogenous disorder characterized by localized patchy or diffuse<unk>  infiltration of the gastrointestinal tract.  Most of the data available in the literature are based on few documented case reports/case series. The presentation of<unk>  may vary depending on the location, depth and extent of bowel wall involvement. The cause of<unk>  is idiopathic although there is a significant association with allergy. Non-specific gastrointestinal symptoms such as  episodic abdominal pain, vomiting and diarrhea are common.<unk>  is a diagnosis of exclusion and other causes of GIT symptoms with gastrointestinal tissue<unk>  must be ruled out. Biopsy of the GIT is the primary diagnostic modality. The mainstay of treatment is corticosteroid therapy. Majority of patients respond well to treatment but the disease may run a chronic relapsing course.
Eosinophilic gastroenteritis
Hemorrhagic gastroenteritis
Viral gastroenteritis
Allergic colitis
Traveler's diarrhea
Giardiasis
Pseudomembranous colitis
Intestinal capillariasis