Esophageal stricture laboratory findings

Laboratory findings are usually normal among patients with esophageal stricture although anemia may be seen with malignant causes of esophageal stricture. Other possible laboratory test are high serum gastrin level in zollinger-ellison syndrome and peripheral eosinophilia in eosinophilic esophagitis as causes of esophageal stricture.

Diagnostic laboratory findings associated with esophageal stricture due to different causes include:^[1]

• Complete blood cell (CBC) count is usually normal among patients with esophageal stricture but anemia may be seen in esophageal stricture due to malignant causes and severe esophagitis.
• liver profile studies are usually normal except in esophageal stricture due to malignant causes with metastasis to liver.
• High serum gastrin levels in zollinger-ellison syndrome as one of the causes of esophageal stricture
• Peripheral eosinophilia in eosinophilic esophagitis 

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