BOTH KNEE AP/LATERAL VIEWS X-RAY SCAN
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Lab Test
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About The Test
Knee AP & Lateral View X-Ray at Cadabams Diagnostics | Simple Guide
Knee pain can stop you in your tracks. A quick XR - BOTH KNEE AP/LATERAL VIEWS scan at Cadabams Diagnostics helps doctors see exactly what’s wrong—fast and safely. This guide walks you through what to expect, why the test matters, and how to prepare with confidence.
1. Overview
The XR - BOTH KNEE AP/LATERAL VIEWS is a two-part X-ray that captures the front (anteroposterior) and side (lateral) of both knees in one session. Cadabams Diagnostics uses low-dose digital X-ray systems to deliver sharp images within minutes, helping your doctor spot injuries or arthritis without delay.
2. What is Knee AP and Lateral View X-Ray?
- AP (Anteroposterior) view: X-ray beam enters from the front and exits the back, showing joint spacing and alignment.
- Lateral view: Beam passes from side to side, revealing soft-tissue swelling or hidden fractures.
- Both knees: Captured together to compare symmetry and detect subtle changes.
Cadabams Diagnostics pairs these views for a complete knee assessment in a single, convenient appointment.
List of Parameters
- Joint space width (cartilage thickness)
- Bone density and cortical outline
- Tibial slope and patellar height
- Presence of osteophytes (bone spurs)
- Alignment of femur, tibia, and fibula
- Soft-tissue shadows indicating swelling
Why This Test
- Rule out fractures after trauma
- Evaluate arthritis progression
- Plan joint replacement or arthroscopy
- Check hardware placement post-surgery
- Investigate unexplained knee locking
When to Take Test
Common situations
- Sudden knee pain after a fall or twist
- Persistent swelling lasting >48 hours
- Difficulty straightening or bending the knee
- Monitoring known arthritis or previous surgery
Target groups
- Athletes and fitness enthusiasts
- Older adults with joint wear
- Anyone planning knee surgery
- Workers with repetitive knee strain
Benefits
Benefits of Taking the BOTH KNEE AP/LATERAL VIEWS X-RAY
- Quick: 5–10 minutes total scan time
- Affordable: Covered by most insurance plans
- Accurate: Digital enhancement reveals fine details
- Guided care: Results help tailor physiotherapy or medication
Illnesses Diagnosed with BOTH KNEE AP/LATERAL VIEWS X-RAY
| Condition | What the X-Ray Shows |
|---|---|
| Osteoarthritis | Narrow joint space, bone spurs |
| Rheumatoid arthritis | Erosions, uniform joint loss |
| Fractures | Sharp bone breaks or cracks |
| Dislocations | Misaligned bones |
| Osteochondritis dissecans | Loose bone fragments |
| Bone tumors | Lytic or sclerotic lesions |
Preparing for test
- Wear loose clothing; shorts preferred.
- Remove metal objects—keys, belts, jewelry.
- Empty pockets to avoid artifacts.
- Inform staff if you’re pregnant or have a prosthesis.
11. Pre-requisites
- Doctor’s referral or prescription
- Valid ID for registration
- Previous knee X-rays (if any) for comparison
12. Best Time to Take the Knee AP and Lateral View X-Ray
- Morning slots: Less waiting, faster report delivery.
- Post-injury: Within 24–48 hours to capture early changes.
- Routine monitoring: Every 6–12 months as advised by your physician.
13. Eligibility
- Adults and children >5 years
- Weight limit up to 150 kg on standard tables
- No fasting required
14. Procedure for Taking a Knee AP and Lateral View X-Ray
- Check-in: Front desk confirms details.
- Positioning: Technician helps you stand or lie down.
- AP view: Knees straight, toes forward.
- Lateral view: Turn sideways, knee slightly bent.
- Image review: Technician ensures clarity.
- Discharge: Resume normal activity immediately.
15. Caution Before Taking the Test
- Remove knee braces only if safe.
- Inform staff about claustrophobia or mobility issues.
- Bring a companion if balance problems exist.
Test Results
Results and Interpretations
| Finding / Observation | Description | General Interpretation/Significance |
|---|---|---|
| Normal scan | No abnormalities detected | Indicates healthy knee joint and bone structure |
| Mild inflammation | Slight soft-tissue swelling observed | Suggests possible early injury or irritation; clinical follow-up recommended |
| Joint space narrowing | Reduced distance between femur and tibia | Common sign of osteoarthritis or cartilage wear |
| Bone fractures | Visible cracks or breaks in bone | Confirms trauma; requires orthopedic intervention |
| one spurs (osteophytes) | Small bony projections around joint margins | Indicative of degenerative changes like arthritis |
Risks & Limitations
Minimal risks
- Radiation: Less exposure than a cross-country flight.
- Pregnancy: Inform staff; lead shielding is provided.
Limitations
- Soft-tissue injuries (ligaments, menisci) may need MRI.
- Early cartilage damage can be subtle on X-ray.
Cadabams Diagnostics follows ALARA (As Low As Reasonably Achievable) radiation protocols to keep you safe.
5. Types of Knee X-Ray Views Used in Clinical Practice
- AP standing – Assesses joint space under body weight.
- Lateral – Checks for fluid or patella position.
- Skyline/Merchant – Focuses on kneecap alignment.
- Intercondylar notch – Looks for loose bone fragments.
The XR - BOTH KNEE AP/LATERAL VIEWS combines the first two for a balanced screening approach.
FAQs
How long does the scan take?
5–10 minutes from positioning to completion.
Is the radiation harmful?
Minimal dose; safer than a cross-country flight.
Can I walk immediately after?
Yes, zero downtime.
Do I need a doctor’s referral?
Yes, to ensure the right views are taken.
What if I am pregnant?
Inform staff; the test can be postponed or shielded.
When will I get results?
Same day, usually within 2 hours.