CT Colonography with contrast

Specimen Required

NONE

Fasting Required

Purpose of the Test

CT Colonography with contrast is typically ordered to screen for colon cancer, which is the second leading cause of cancer deaths in the United States. The test can also help diagnose other conditions, such as inflammatory bowel disease, polyps, and tumors.

When this test is required

CT Colonography with contrast is typically requested by a doctor or other healthcare provider for screening or diagnostic purposes. It may be recommended as an alternative to traditional colonoscopy for individuals who are at an increased risk of colon cancer or unable to undergo a traditional colonoscopy.

What the Test Detects

CT Colonography with contrast is used to examine the colon and rectum for abnormalities or signs of disease, such as polyps, tumors, or other growths.

Preparation for the Test

To prepare for a CT Colonography with contrast, patients are typically instructed to follow a clear liquid diet the day before the test and take laxatives to cleanse the colon. They may also be asked to take antibiotics to prevent infection. Patients should inform their doctor if they have any allergies or are taking any medications.

Sample Requirements

No, a sample is not required for CT Colonography with contrast.

Additional Notes

While CT Colonography with contrast is considered a safe and non-invasive procedure, it does involve radiation exposure and the use of contrast dye, which can cause some side effects, such as nausea or allergic reactions. Patients should inform their doctor if they have any allergies or are taking any medications.

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