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What tests might I get to diagnose Crohn's disease?

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You might get tests such as:

  • X-rays that can show places where your intestine is blocked or unusually narrow.
  • Contrast X-rays. You'll swallow a thick, chalky, barium liquid so doctors can see how it moves through your system.
  • CT scans and MRIs to rule out other conditions that might cause symptoms similar to an inflammatory bowel disease.
  • Endoscopy. This is when a doctor uses a tiny camera on a thin tube to see inside your digestive system.

SOURCES:

Cleveland Clinic: “Why You Should Pay Attention to Chronic Inflammation.”

Crohn’s and Colitis Foundation of America: “What are Crohn’s & Colitis?” "Crohn’s Diagnosis & Testing." “Diagnosing Crohn's Disease and Ulcerative Colitis” “Surgery for Crohn’s Disease & Colitis?”

FDA. “FDA approves Inflectra, a biosimilar to Remicade.” “FDA approves Amjevita, a biosimilar to Humira.”

Itzkowitz, S. Inflammatory Bowel Diseases, March 2005.

Mayo Clinic: “Inflammatory Bowel Disease.”

Medscape: “Ulcerative Colitis Differential Diagnoses.”

PubMedHealth: “Colon (Bowel.)”

UCLA Division of Digestive Disorders: “Ulcerative Colitis vs. Crohn's Disease.”

UpToDate: “Patient information: Ulcerative colitis (Beyond the Basics).” “Patient information: Crohn Disease (Beyond the Basics)." "Clinical manifestations, diagnosis and prognosis of Crohn disease in adults." “Colorectal cancer surveillance in inflammatory bowel disease.”

Reviewed by Melinda Ratini on September 4, 2020

SOURCES:

Cleveland Clinic: “Why You Should Pay Attention to Chronic Inflammation.”

Crohn’s and Colitis Foundation of America: “What are Crohn’s & Colitis?” "Crohn’s Diagnosis & Testing." “Diagnosing Crohn's Disease and Ulcerative Colitis” “Surgery for Crohn’s Disease & Colitis?”

FDA. “FDA approves Inflectra, a biosimilar to Remicade.” “FDA approves Amjevita, a biosimilar to Humira.”

Itzkowitz, S. Inflammatory Bowel Diseases, March 2005.

Mayo Clinic: “Inflammatory Bowel Disease.”

Medscape: “Ulcerative Colitis Differential Diagnoses.”

PubMedHealth: “Colon (Bowel.)”

UCLA Division of Digestive Disorders: “Ulcerative Colitis vs. Crohn's Disease.”

UpToDate: “Patient information: Ulcerative colitis (Beyond the Basics).” “Patient information: Crohn Disease (Beyond the Basics)." "Clinical manifestations, diagnosis and prognosis of Crohn disease in adults." “Colorectal cancer surveillance in inflammatory bowel disease.”

Reviewed by Melinda Ratini on September 4, 2020

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How can specific types of endoscopy help to diagnose Crohn’s disease and ulcerative colitis (UC)?

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