CT RIGHT ANKLE JOINT
Also Known As
Lab Test
₹5500
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NABH Accredited
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About The Test
- Technology: Low-dose, multi-slice CT with metal-artifact reduction
- Time taken: 5–10 minutes actual scan
- Report ready: Within 2 hours (priority cases in 30 minutes)
- Locations: 12 centers across Bangalore & Hyderabad
2. What is CT Ankle Scan?
A CT ankle scan is a painless X-ray–based test that creates detailed cross-sectional images of the bones, joints, and soft tissues around the ankle. Unlike a regular X-ray, it can show hairline fractures, hidden ligament damage, or early arthritis changes.
3. When and Who Needs to Take a CT Ankle Scan?
Common situations:
- Persistent ankle pain after a fall or sports injury
- Suspected ankle fracture not visible on plain X-ray
- Swelling or instability lasting >2 weeks
- Pre-surgical planning for ankle fusion or ligament repair
- Monitoring healing after a cast or surgery
List of Parameters
- Slice thickness: 0.625 mm for finest detail
- Field of view: 14 cm centered on ankle joint
- KVP: 100–120 kV optimized for bone vs soft tissue
- Reconstruction algorithms: Bone, soft-tissue, and 3D volume-rendered views
Why This Test
- Confirm or rule out ankle fracture (especially talar, calcaneal)
- Evaluate ankle joint space narrowing (early arthritis)
- Detect bone infection (osteomyelitis)
- Identify bone tumors or cysts
- Check hardware position after surgery
When to Take Test
Benefits
Benefits of Taking the Test
- Fast: Entire visit typically <30 minutes
- Precise: 3D model lets surgeons “fly through” the joint
- Accessible: Same-day booking online or walk-in
- Comfortable: Open design reduces claustrophobia
Illnesses Diagnosed with CT Right Ankle Joint
- Fractures: Lateral malleolus, medial malleolus, talus, calcaneus
- Ligament tears: Anterior talofibular, deltoid ligament avulsions
- Osteochondral lesions
- Tarsal coalition
- Septic arthritis
Preparing for test
- Clothing: Wear loose cotton clothes; avoid metal zippers, jewelry.
- Fasting: Not needed for non-contrast scans.
- Contrast cases: Fast 3–4 hours if contrast is requested.
- Medications: Continue regular meds unless advised otherwise.
11. Pre-requisites
- Valid doctor’s prescription (digital or hard copy)
- Previous X-rays or MRI reports (if any)
- Kidney function test (if contrast is planned)
12. Best Time to Take the CT Ankle Scan
- Acute injury: Within 24–48 hours for accurate fracture detection.
- Follow-up: 6–8 weeks post-surgery or cast removal.
- Pain flare-ups: Anytime symptoms worsen unexpectedly.
13. Eligibility
- Adults: No upper age limit.
- Children: Can undergo scan with pediatric protocol (lower dose).
- Contraindications: Pregnancy (relative) for non-urgent scans.
14. Procedure for Taking a CT Ankle Scan
- Check-in: Reception verifies ID and prescription.
- Safety check: Remove metallic items; change into gown if needed.
- Positioning: Lie on the scanner table, ankle in a soft brace.
- Scan: Table moves through the ring for ~30 seconds; remain still.
- Contrast (if ordered): IV line inserted, scan repeated after 60 seconds.
- Completion: Radiologist reviews images; preliminary report in 30 minutes.
15. Caution Before Taking the Test
- Inform staff about pregnancy or breast-feeding.
- Disclose allergies to iodine or shellfish.
- Bring an escort if you have mobility issues.
e taking the medication Metformin (Glucophage).
Test Results
Results and Interpretations
| Finding / Observation | Description | General Interpretation / Significance |
|---|---|---|
| Normal scan | No abnormalities detected | Healthy ankle joint structure with no fractures or soft tissue issues |
| Ankle fracture | Visible line of bone discontinuity or shift in bone alignment | Confirms fracture; guides treatment plan and possible surgery |
| Joint-space narrowing | Reduced space between bones in the ankle joint | Suggests early arthritis or cartilage degeneration requiring monitoring or intervention |
| Ligament tear | Disruption or irregularity in ligament structure visible | Indicates ligament injury; may require orthopedic evaluation and possible repair |
Risks & Limitations
- Radiation dose: ~0.3 mSv (equal to about 1 month of natural background; minimized with low-dose protocols)
- Not ideal for: Very early stress injuries better seen on MRI
- Contrast dye risks: Rare allergy, kidney concerns—screened beforehand
5. Types of CT Ankle Scan
- Non-contrast CT ankle – routine bone evaluation
- CT ankle with contrast – to assess infection or tumors
- CT ankle 3D reconstruction – for surgical planning
FAQs
Is CT RIGHT ANKLE JOINT scan painful?
No. You only need to lie still for a few minutes.
How long does radiation stay in my body?
CT uses X-rays that pass through instantly; no residual radiation remains.
Can I drive home after the scan?
Yes, unless you received sedating medication (rare).
What if I am claustrophobic?
Our open-bore scanner and short scan time minimize anxiety.
Is a CT scan better than an MRI for an ankle?
It depends entirely on what your doctor is looking for. A CT scan is superior for providing exquisite detail of bone structures and is the best test for evaluating complex fractures. An MRI is generally better for examining soft tissues like ligaments, tendons, and cartilage in fine detail.