CT CONTRAST

Also Known As

Lab Test

₹1750

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NABH Accredited

Reports in

6hrs

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Mins Home Collection

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About The Test

A CT CONTRAST scan is a painless, advanced imaging test that uses X-rays and a special dye to create crystal-clear pictures of your organs and blood vessels. At Cadabams Diagnostics, we combine cutting-edge 128-slice CT scanners with compassionate care, ensuring every patient feels supported from booking to results.

What is CT Scan with Contrast?

A CT scan with contrast—also called a contrast-enhanced CT—involves drinking or injecting an iodine-based dye before the scan. The dye highlights blood flow and tissue differences, making abnormalities easier to spot than on a standard CT scan.
- How it works: The dye absorbs X-rays differently than tissue, lighting up blood vessels, tumours, inflammation, and infections.
- Duration: 10–30 minutes, including preparation.
- Comfort: The procedure is non-invasive; you simply lie still on the scanner bed.

When and Who Needs to Take a CT Scan with Contrast?

When is it recommended?

Unexplained pain, bleeding, or weight loss
Suspected cancers, infections, or organ injuries
Evaluation after an accident or stroke symptoms

Who should consider it?

Adults and children over 2 years (with paediatric protocols)
People with chronic illnesses such as kidney disease or hypertension (after clearance)
Patients scheduled for surgery or biopsies needing detailed mapping

List of Parameters

Slice thickness: 0.625 mm for high-resolution
Contrast timing: Arterial, venous, and delayed phases
Contrast volume: Tailored to weight and kidney function
Reconstruction algorithms: Iterative reconstruction to reduce noise

Why This Test

Early cancer detection
Accurate staging before surgery
Monitor treatment response (e.g., chemotherapy)
Emergency triage after trauma

When to Take Test

Benefits

Benefits of taking the Test

Pin-point accuracy in locating small tumours (<5 mm)
Non-surgical insight into internal bleeding or blockages
Faster diagnosis—results within 2 hours for emergency cases
Peace of mind from clear, evidence-based imaging

Illnesses diagnosed with CT Contrast Test

Cancers: Lung, liver, kidney, colon, lymphoma
Vascular: Pulmonary embolism, aortic aneurysm
Infections: Abscess, appendicitis, pyelonephritis
Trauma: Internal bleeding, organ lacerations

Preparing for test

1. Pre-requisites

Fasting: 4–6 hours for abdominal scans; clear fluids allowed
Blood test: Serum creatinine within 30 days if >50 years or diabetic
Medications: Continue most drugs; hold metformin 48 hours post-scan

2. Best Time to Take the CT Scan with Contrast

Morning slots reduce fasting time
Avoid Mondays for routine scans—shorter wait times mid-week
Emergency cases: 24×7 availability at our main centre

3. Eligibility

Adults and children over 15 kg
eGFR ≥30 mL/min/1.73 m²
No severe asthma or contrast allergy history (or pre-medication arranged)

Procedure for Taking a CT Scan with Contrast

Check-in at front desk with ID and prescription
Consent form and allergy review with technologist
IV line inserted for contrast; oral contrast given for abdominal scans
Positioning on scanner bed; remain still and hold breath as instructed
Scanning takes 5–10 minutes; staff monitors you throughout
Observation for 15 minutes post-scan for any reactions
Same-day report emailed or collected; CD handed immediately

Caution Before Taking the Test

Remove metal: Jewellery, zippers, hairpins
Pregnancy test for women of child-bearing age if uncertain
Hydration: Drink 500 mL water post-scan to flush dye

Test Results

Results and Interpretations

Finding / Observation	Description	General Interpretation / Significance
Normal scan	No abnormalities detected; vessels patent, organs symmetrical	Indicates healthy status with no visible pathology
Mild inflammation	Slight tissue swelling or increased enhancement seen	Suggests presence of inflammation; requires clinical correlation and possible follow-up
Abnormal mass	Unusual density or shadow with enhanced contrast uptake	Possible pathological lesion such as tumor or infection; further diagnostic tests needed
Abnormal Results	- Masses or lesions detected	- The patient's condition is abnormal, and further testing or treatment may be required.
Filling Defect	A space within a contrast-filled structure (like a blood vessel) where contrast is absent.	This is a classic sign of a blockage, such as a blood clot (pulmonary embolism).

Risks & Limitations

Risk	Likelihood	How Cadabams Mitigates
Mild allergic reaction (rash, itching)	<1%	Pre-scan questionnaire to identify allergies
Kidney stress	Rare	eGFR blood test before booking
Radiation exposure	Low	Low-dose protocols and ALARA principle
Important: Inform staff if you are pregnant, breastfeeding, or have previous contrast allergy.

Types of CT Scan with Contrast

CECT Abdomen – evaluates liver, kidneys, pancreas
CT Angiography – maps blood vessels for clots or aneurysms
CT Chest with Contrast – detects lung nodules, infections
CT Brain with Contrast – identifies tumours, stroke, bleeding
CT Urography – assesses urinary tract stones and cancers

FAQs

Is the contrast dye safe?

Yes. We use non-ionic, low-osmolar iodine contrast with a proven safety record.

Will I feel the injection?

You may feel a warm flush or metallic taste for 10–20 seconds—totally normal.

How long before I get my report?

Most reports are ready within 2 hours; complex cases within 6 hours.

Can I drive home after the scan?

Yes, unless you took sedation (rare). Otherwise, resume normal activities.

When will I get my results?

Typically, the radiologist's report will be sent to your referring physician within 24 to 48 hours. Your doctor's office will then contact you to schedule a follow-up appointment to discuss the findings. For urgent or emergency cases, results are often made available much faster.