CT KUB (Kidney Stone CT Scan) in Patna
Plain CT of the kidneys, ureters and bladder at JP Diagnostic. CT KUB is the most accurate test for finding kidney and ureteric stones, including their exact size and position.
When Is a CT KUB Advised?
Kidney Stone Pain
Sudden severe pain in the side or back that spreads to the groin (renal colic).
Blood in Urine with Pain
To look for a stone causing bleeding.
Swelling of the Kidney
Hydronephrosis seen on ultrasound, to find the cause of the blockage.
Planning Stone Treatment
Exact stone size, number and location before lithotripsy or surgery.
Follow-up of Stones
To check whether a stone has passed or remains after treatment.
Unclear Ultrasound
When ultrasound cannot clearly see a stone in the ureter.
CT KUB vs CT Urography
| Feature | CT KUB | CT Urography |
|---|---|---|
| Contrast injection | ✓ Not needed | Iodine contrast |
| Fasting | ✓ Not needed | About 4 hours |
| Best for | Stones and blockage | Blood in urine, growths, structure of the urinary tract |
| Total time | About 15 minutes | About 1 hour |
| Radiation | Lower | Higher (several scans) |
Painless blood in urine? Your doctor may advise CT Urography instead.
The Procedure
Most patients finish in about 15 – 20 minutes.
Registration
Show your prescription and previous ultrasound or CT reports.
Bladder
A moderately full bladder helps; our staff will tell you when to drink water and when not to pass urine.
Scanning
You lie on your back and hold your breath for a few seconds. No injection is needed.
Report
Our radiologist reports stone size, location and any blockage for your doctor.
How to Prepare
✅ Do
- Bring the doctor’s prescription and ultrasound report
- Eat and take your medicines as usual
- Drink water as advised by our staff
- Tell us if you are or may be pregnant
❌ Avoid
- Metal belts, keys and coins in your pockets
- Moving during the scan
Safety
- No injection, no fasting
- Quick and painless
- Uses X-rays; low-dose stone protocols keep it down
- Avoid unnecessary repeat scans
- Pregnancy or possible pregnancy (ultrasound is preferred)
Frequently Asked Questions
What does KUB stand for?
Kidneys, Ureters and Bladder, the main parts of the urinary system.
Is CT KUB better than ultrasound for stones?
CT KUB detects almost all stones, including small stones in the ureter that ultrasound can miss. Ultrasound has no radiation and is often the first test, especially in children and pregnancy.
Do I need to fast?
No. CT KUB is done without contrast, so you can eat and drink normally.
Can I get the scan during pain?
Yes. CT KUB is often done during an episode of pain to find the stone. If the pain is severe, with fever or vomiting, please see a doctor urgently.
How long does it take?
The scan takes about 5 minutes. Most patients finish in 15 – 20 minutes.
Price
No hidden charges. Call us for today’s price.
Book Your CT KUB Scan
📞 Phone: +91 72502 32233, +91 90066 77776
✉️ Email: jpdiagnosticandimaging@gmail.com