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Cleft lip and palate
Congenital diaphragmatic hernia
Temporomandibular joint dysfunction
Gingivitis and periodontitis
Dental caries disease
Eosinophilic esophagitis (NORD)
Diffuse esophageal spasm
Gastroesophageal reflux disease (GERD)
Gastric dumping syndrome
Cyclic vomiting syndrome
Small bowel bacterial overgrowth syndrome
Short bowel syndrome (NORD)
Protein losing enteropathy
Small bowel ischemia and infarction
Familial adenomatous polyposis
Juvenile polyposis syndrome
Irritable bowel syndrome
Diverticulosis and diverticulitis
Non-alcoholic fatty liver disease
Cholestatic liver disease
Alcohol-induced liver disease
Alpha 1-antitrypsin deficiency
Primary biliary cirrhosis
Primary sclerosing cholangitis
Benign liver tumors
Pancreatic neuroendocrine neoplasms
Congenital gastrointestinal disorders: Pathology review
Esophageal disorders: Pathology review
GERD, peptic ulcers, gastritis, and stomach cancer: Pathology review
Inflammatory bowel disease: Pathology review
Malabsorption syndromes: Pathology review
Diverticular disease: Pathology review
Appendicitis: Pathology review
Gastrointestinal bleeding: Pathology review
Colorectal polyps and cancer: Pathology review
Neuroendocrine tumors of the gastrointestinal system: Pathology review
Pancreatitis: Pathology review
Gallbladder disorders: Pathology review
Jaundice: Pathology review
Viral hepatitis: Pathology review
Cirrhosis: Pathology review
Eosinophilic esophagitis (NORD)
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Kelly Johnson, MS
Megan Gullotto, MSMI
Eosinophilic esophagitis, or EoE, is a chronic food allergy associated digestive disorder in which people have large numbers of eosinophils in the esophagus. Eosinophils are a type of white blood cell that play many roles within the immune system and are involved in allergic reactions.
Signs and symptoms of eosinophilic esophagitis can vary quite a bit, and are frequently the same as those for gastroesophageal reflux disease, also known as GERD.
These symptoms are caused by increased inflammation and swelling within the esophagus, and include trouble swallowing, food getting stuck in the throat, nausea, vomiting, poor growth in childhood, weight loss, stomach pain, poor appetite, and malnutrition.
The increase in eosinophils in the esophagus can be caused by a number of things, particularly hypersensitivity reactions or changes to the expression of certain genes.
The hypersensitivity reactions involved are a form of allergic reaction after exposure to a food or environmental allergen. When certain cells come in contact with the allergen they signal other cells, most commonly eosinophils, to accumulate and get activated in the esophagus.
The first exposure to an allergen may take time to create a response. However, some cells remember that allergen to more quickly react to future exposures.
Therefore, the more a person is exposed to allergens which trigger a hypersensitivity reaction, the more eosinophils will be present.
Additionally, changes to gene expression appear to play a role in increasing the number of eosinophils in a person with EoE.
Eosinophilic esophagitis (EoE) is a rare, chronic disease that causes inflammation in the esophagus. The eosinophils are a type of white blood cell that play an important role in the immune system. In EoE, these cells accumulate in the lining of the esophagus, causing inflammation and damage. EoE is associated with other allergic diseases such as asthma. Its symptoms vary from person to person but may include difficulty swallowing (dysphagia), chest pain, nausea, vomiting, and weight loss.
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