CT Brain and Sinuses with Contrast is a highly informative diagnostic procedure that provides detailed images of the brain and paranasal sinuses. The use of a contrast agent, injected intravenously, enhances the visibility of blood vessels and helps detect pathological formations that may not be visible on standard CT scans.
 
How it Works:
The contrast agent, usually iodine-based, is injected into the bloodstream before the scan. It circulates through the blood vessels, improving the visualization of various tissues and structures. The CT scanner then captures a series of X-ray images, which are compiled into detailed 3D images of the brain and sinuses.
 
Key Components:
X-ray Source: Generates X-rays to capture images.
Detector: Records the X-rays passing through the body and converts them into digital data.
Computer: Processes and reconstructs the data into 3D images.
 
Uses:
Brain Tumors: Identifies and defines brain and sinus tumors.
Head Injuries: Detects bleeding, swelling, or other trauma-related damage.
Strokes: Assesses blood flow in the brain, identifying ischemic or hemorrhagic areas.
Sinus Diseases: Diagnoses conditions like sinusitis or polyps.
Inflammatory Processes: Visualizes abscesses or other infections.
Congenital Brain Abnormalities: Detects structural brain abnormalities.
 
Preparation:
Dietary Restrictions: Avoid food and drinks containing dyes 4-6 hours before the procedure.
Pregnancy Disclosure: Inform your doctor if you are pregnant, as the contrast agent may affect fetal development.
Allergy Notification: Notify medical staff of any iodine allergies or other reactions.
Medication Adjustment: Some medications may interact with the contrast agent; consult your doctor for guidance.
Hydration: Drink plenty of water before the procedure to ensure adequate hydration.
 
Procedure:
Remove jewelry and clothing containing metal that may interfere with imaging.
You will be positioned on a movable table within the CT scanner.
An iodine-based contrast agent will be injected intravenously to enhance the visualization of blood vessels and sinuses.
The CT scanner will rotate around your head, capturing a series of detailed X-ray images.
 
This advanced imaging method plays a crucial role in diagnosing and planning the treatment of various brain and sinus conditions.