CT KUB PLAIN
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Lab Test
₹5500
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About The Test
A CT KUB PLAIN (Computed Tomography Kidneys-Ureters-Bladder) scan is a painless, non-invasive imaging test that captures high-resolution 3-D pictures of the urinary tract without contrast dye. At Cadabams Diagnostics, our advanced 128-slice CT scanners deliver crystal-clear images within minutes, helping doctors detect stones, infections or structural problems early—while using the lowest possible radiation dose.
2. What Is a CT KUB Scan?
| Key Fact | Detail |
|---|---|
| Full Form | CT Kidneys-Ureters-Bladder |
| Type | Non-contrast CT scan |
| Duration | 5–10 minutes |
| Purpose | Detect stones, obstructions, masses |
| Unlike traditional X-rays, CT KUB PLAIN uses multiple X-ray beams and computer reconstruction to create cross-sectional slices. Because no dye is injected, the test is safe for people with kidney impairment or iodine allergies. |
3. When and Who Needs to Take a CT KUB Scan?
Indications
- Sudden, severe flank or lower-abdomen pain
- Blood in urine (haematuria)
- Recurrent urinary tract infections
- Monitoring known stones or post-surgery check-ups
Ideal Candidates
- Adults of any age with suspected urinary pathology
- Pregnant women only when benefits outweigh risks (with special shielding)
List of Parameters
- Stone number, size & location
- Ureteric dilation or stricture
- Bladder wall thickness
- Hydronephrosis grade
- Incidental adrenal, liver or pelvic findings
Why This Test
- Confirm kidney stones before treatment
- Evaluate unexplained loin pain
- Detect congenital anomalies (duplex ureter, ectopic kidney)
- Guide minimally invasive procedures such as ESWL
When to Take Test
Benefits
Benefits of Taking the Test
- Speed: Walk-in appointments; report ready in 2–4 hours
- Accuracy: 95–98 % sensitivity for stones >2 mm
- No needles: Ideal for diabetics & elderly
- Cost-effective: Prevents unnecessary hospital admissions
Illnesses Diagnosed with CT KUB Plain
- Urolithiasis (kidney & ureteric stones)
- Acute pyelonephritis
- Bladder tumours
- Ureteropelvic junction obstruction
- Retroperitoneal masses
Preparing for test
- Fasting: Not required; light meals are fine
- Hydration: Drink 1 litre of water 30 min prior for better bladder distension
- Clothing: Wear metal-free attire or change into provided gown
- Valuables: Remove jewellery, belts & mobile phones
11. Pre-requisites
- Valid doctor’s prescription
- Previous imaging discs (if any) for comparison
- Serum creatinine not needed for plain scan
12. Best Time to Take the CT KUB Scan
- Morning slots (7 am–11 am): Shorter wait times
- Any day: 7 days a week at Cadabams Diagnostics locations
13. Eligibility
- Age: 3 years and above (paediatric low-dose protocols available)
- Weight: Up to 180 kg with our wide-bore scanner
- Contra-indications: Pregnancy (first trimester) must be declared
14. Procedure for Taking a CT KUB Scan
- Check-in at reception with ID and prescription
- Questionnaire on allergy & pregnancy status
- Positioning – lying on your back, arms above head
- Scanning – table moves through the gantry; you’ll hear a whirring sound
- Post-scan – radiologist reviews images; no recovery time needed
15. Caution Before Taking the Test
- Inform staff if you might be pregnant
- Mention implanted devices (pacemaker, cochlear implant)
- No contrast in this study, so allergy prep not required
Test Results
Results and Interpretations
| Condition/Findings | Description | General Interpretation / Significance |
|---|---|---|
| Normal scan | No abnormalities detected | Indicates healthy urinary tract without stones or masses |
| 4 mm stone in lower ureter | Visible kidney stone causing possible obstruction | Suggests urolithiasis; may require urology consultation and treatment such as ESWL or URS |
| Mild hydronephrosis | Slight swelling of kidney due to urine buildup | Sign of partial blockage; patient may need hydration and follow-up scan if symptoms persist |
| Abnormal mass | Unusual density or shadow detected | Possible tumour or cyst; further diagnostic testing required |
Risks & Limitations
| Risk / Limitation | Explanation & Mitigation |
|---|---|
| Radiation | Low-dose protocols at Cadabams cut exposure by up to 40 % |
| Not ideal for tiny stones <2 mm | May require ultrasound follow-up |
| Claustrophobia | Wide-bore scanner & music headphones provided |
5. Types of CT KUB Scan
- CT KUB PLAIN (non-contrast) – most common
- CT KUB with contrast – used only when tumours or complex anatomy suspected
FAQs
Is a CT KUB PLAIN safe for children?
Yes. We use paediatric-specific low-dose protocols and thyroid shielding.
How soon can I resume normal activities?
Immediately. The scan is non-invasive and has no downtime.
Do I need to bring a full bladder?
A comfortably full bladder improves image quality but is not mandatory.
Can CT KUB detect cancer?
It can highlight suspicious masses; confirmation may require contrast CT or biopsy.
When will I receive my results?
For urgent cases, our expert radiologists prioritize the interpretation, and a report is often sent to your referring doctor within hours. For routine scans, the report is typically available within 24 hours. Your doctor will then discuss the results with you.