MRI KUB
Also Known As
Lab Test
₹8500
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NABH Accredited
Reports in
6hrs
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About The Test
What an MRI KUB scan shows
- Size, shape, and position of both kidneys
- Full length of the ureters (the tubes draining urine)
- Bladder wall thickness and volume
- Stones, tumors, cysts, infections, or birth anomalies
How it compares to CT KUB & ultrasound
| Feature | MRI KUB | CT KUB | Ultrasound |
|---|---|---|---|
| Radiation | None | Moderate to high | None |
| Soft-tissue detail | Excellent | Good | Limited |
| Stone detection | Good | Excellent | Moderate |
| Kidney function data | Available with contrast | Limited | Not assessed |
List of Parameters
| Parameter | What It Tells Us |
|---|---|
| Kidney size & cortical thickness | Function and scarring |
| Ureteric diameter & peristalsis | Possible obstruction or stricture |
| Bladder wall thickness & volume | Over-distension or tumor |
| Presence of calculi | Kidney stones or ureteric stones |
| Hydronephrosis | Urine backup due to blockage |
Why This Test
- Detect kidney stones without radiation exposure
- Evaluate urinary tract obstruction before surgery
- Stage bladder or renal tumors pre-treatment
- Follow up congenital anomalies (duplex kidney, PUJ obstruction)
When to Take Test
Benefits
Benefits of an MRI KUB Test
- High-resolution soft-tissue detail
- No ionising radiation—safe for children and follow-ups
- Multi-planar imaging—front, side, and angled views in one session
Conditions Diagnosed with MRI KUB
- Renal calculi/nephrolithiasis
- Ureteric strictures or stones
- Bladder carcinoma
- Congenital anomalies: duplex collecting system, posterior urethral valves, PUJ obstruction
Preparing for test
- Fasting: 4 hours before the scan if contrast is planned.
- Metal removal: Leave jewelry, hairpins, hearing aids, and credit cards at home or in the locker.
- Pregnancy or implants: Inform the technologist—extra safety steps will follow.
Pre-requisites
- Recent creatinine test (within 30 days) if gadolinium contrast is expected.
- Signed consent form covering the procedure and contrast risks.
Best Time to Take the MRI KUB
- Morning slots reduce waiting time and allow same-day report turnaround.
- Avoid active menstrual days if contrast is required (may cause scheduling delays).
Eligibility
- Adults and children above 5 years (co-operation dependent).
- Pregnancy: Non-contrast only after the 1st trimester.
Procedure for Taking an MRI KUB
- Arrival: 30 minutes early for paperwork and safety screening.
- Changing room: Remove all metal objects; change into hospital gown if needed.
- Positioning: Lie on the scanner table; a small coil is placed over your abdomen.
- Breath-hold sequences: You’ll be asked to hold your breath for 10–15 seconds at a time.
- Total scan time: 20–30 minutes (add 10 minutes for contrast injection).
Caution Before Taking the Test
- Remove jewelry, watches, and hearing aids.
- Inform staff of tattoos, pacemaker, or prior contrast reactions.
- Sedation is available for claustrophobic patients—discuss during booking.
Test Results
Results and Interpretations
| Finding / Observation | Description | General Interpretation / Significance |
|---|---|---|
| Normal kidney size | 9–12 cm length | No mass or atrophy |
| Hydronephrosis | Dilated collecting system | Possible stone or stricture |
| Ureteric jet | Bright stream into bladder | Patent ureter |
| Bladder wall thickening | >3 mm at rest | Inflammation or tumor |
| Filling defect | Dark spot on contrast images | Stone, clot, or tumor |
| Congenital anomaly | Abnormal structure of kidney or ureter. | Often discovered incidentally. |
| Normal KUB Anatomy | Kidneys, ureters, and bladder are normal in size, shape, position, and signal intensity. No signs of obstruction, mass, or abnormal fluid collections. | Indicates a normal urinary tract on MRI. No current structural abnormalities identified. Useful as a baseline or to rule out suspected pathology. |
Risks & Limitations
- Claustrophobia: Open-bore or wide-bore machines, plus light sedation, reduce anxiety.
- Contra-indications:
- Cardiac pacemaker or defibrillator
- Cochlear implants or certain metallic fragments
- Severe allergy to gadolinium contrast (rare)
Cadabams Diagnostics runs a detailed safety checklist before every scan.
FAQs
Is MRI KUB painful?
No. You simply lie still; there is no needle unless contrast is used.
How long does the scan take?
20–30 minutes total.
Can I eat before the test?
You may have a light meal up to 4 hours prior if contrast is planned.
When will I get my report?
Most routine scans are reported the same day at Cadabams Diagnostics.
Is the procedure safe for kidneys?
Yes. Gadolinium is avoided if creatinine is high, and non-contrast protocols protect kidney function.
How much does an MRI KUB scan cost at Cadabams Diagnostics?
The MRI KUB scan cost can vary depending on factors such as whether contrast material is used, the complexity of the scan, and specific insurance coverage. For the most accurate and current information on the MRI KUB scan cost at Cadabams Diagnostics, please contact our billing department directly. We can provide you with a detailed estimate.