• Fasting Requirements: You must fast (abstain from all solid foods and colored liquids) for at least 4 to 6 hours before your appointment. This is a standard safety protocol for the administration of intravenous contrast. You may continue to drink plain water.
• Kidney Function Test (Serum Creatinine): Since the kidneys eliminate the contrast dye, a recent Serum Creatinine report (within the last 30 days) is required. This ensures your kidneys are functioning optimally to clear the dye safely.
• Allergy Disclosure: It is vital to inform the Scan4Health team if you have a known iodine allergy or have reacted to X-ray contrast in the past. We also need to know if you have a history of asthma.
• Remove Metal Objects: You will be asked to remove any metallic items, such as knee braces with metal hinges, jewelry, or clothing with metal zippers/buttons from the leg area. Metal causes artifacts on the scan that can blur important diagnostic details.
• Medication Review: Inform our staff if you are taking Metformin for diabetes. You may be advised to temporarily pause this medication for 48 hours after the contrast injection.
• Post-Scan Hydration: Plan to drink 8–10 glasses of water over 24 hours after the test to help your kidneys efficiently flush the contrast agent from your system.

The CE CT Knee Left is a powerful diagnostic tool used when standard X-rays or non-contrast scans do not provide sufficient detail. Its clinical utility includes:

Key clinical uses include:

• Vascular and Inflammatory Mapping: The contrast dye highlights the blood vessels and the synovium (joint lining). This is critical for diagnosing vascular malformations or identifying areas of intense inflammation (synovitis) often seen in inflammatory arthritis.
• Tumor and Mass Evaluation: If a lump or mass is detected in the soft tissues around the left knee, the enhancement pattern of the contrast helps the radiologist determine if the growth is a benign cyst (like a Baker's cyst) or a potentially malignant tumor.
• Complex Fracture and Bone Viability: In cases of severe trauma, the CE CT helps evaluate the blood supply to bone fragments (ensuring bone viability) and identifies active bleeding or hematomas in the surrounding muscles.
• Infection and Abscess Detection: The scan is highly sensitive for identifying deep-seated joint infections (septic arthritis) or osteomyelitis (bone infection), showing rim enhancement around infected areas.
• Post-Surgical Evaluation: For patients with existing metal implants or hardware, the contrast-enhanced scan helps evaluate the surrounding soft tissues for complications like localized infections or hardware loosening.