A CT scan of the knee is a detailed imaging technique using X-rays to visualize the structures within your knee.
Understanding Knee CT Scans
A computed tomography (CT) scan combines X-rays and computer technology to create cross-sectional images of the body. In the case of a knee CT scan, these detailed images help doctors evaluate the bones, soft tissues, and joints of the knee. According to the reference, a computed tomography (CT) scan of the knee is a test that uses x-rays to take detailed images of the knee.
What does a Knee CT Scan Show?
A knee CT scan can reveal a variety of conditions, including:
- Fractures: Detects broken bones in the knee.
- Arthritis: Assesses the severity of joint degeneration.
- Tumors: Identifies abnormal growths.
- Infections: Helps diagnose infections affecting the bone or soft tissues.
- Loose bodies: Locates fragments of cartilage or bone within the joint.
How is a Knee CT Scan Performed?
During a CT scan:
- You will lie on a table that slides into a donut-shaped CT scanner.
- The scanner rotates around your knee, taking multiple X-ray images from different angles.
- A computer processes these images to create cross-sectional views.
- Sometimes, a contrast dye is injected to improve the visibility of certain structures.
Why might a doctor order a Knee CT Scan?
A knee CT scan may be ordered if you have:
- Persistent knee pain.
- Swelling or stiffness in the knee.
- A history of knee injury.
- Suspected arthritis.
- Need for pre-surgical planning.