CT (Computed Tomography)
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Introduction
Ever wondered what’s inside that nagging cough or that persistent pain? A CT scan, or computed tomography scan, might be your key to unlocking the mysteries. This powerful imaging technique offers a detailed 3D view of your bones, organs, and tissues, helping doctors diagnose a wide range of medical conditions.
What is a CT Scan?
Imagine a camera that takes X-rays from multiple angles and then stitches them together into a detailed 3D image, like a high-tech slice-and-dice puzzle. That’s basically what a CT scan does. It uses a rotating X-ray beam to capture numerous images of your body from different angles. These images are then processed by a computer to create a precise 3D reconstruction, allowing doctors to see inside your body with remarkable detail.
What can a CT Scan Show?
CT scans are versatile detectives, revealing secrets hidden within:
- Bone fractures and tumors: From hairline cracks to hidden growths, CT scans can pinpoint bone abnormalities and assess their severity.
- Internal injuries: From bleeding within the abdomen to damage from trauma, CT scans can provide crucial information for emergency care.
- Cancer detection and staging: CT scans can detect tumors in various organs and tissues, helping doctors stage cancer and plan treatment.
- Blood vessel problems: CT angiography can visualize blood vessels, helping diagnose conditions like aneurysms and blockages.
- Infections: CT scans can identify abscesses and other signs of infections, guiding treatment decisions.
Benefits of CT Scans:
- Detailed images: CT scans offer far greater detail than standard X-rays, providing a clearer picture of internal structures.
- Faster diagnosis: CT scans can quickly pinpoint the cause of symptoms, leading to faster diagnosis and treatment.
- Non-invasive: Unlike surgery, CT scans are non-invasive, meaning no needles or incisions are needed.
- Versatility: CT scans can be used to examine virtually any part of the body.
General Instruction
- CT scans are performed by radio technicians.
- The patient is asked to lie on a table inside a large, doughnut-shaped CT machine. The doughnut-shaped X-ray rotates as the table slowly moves through the scanner.
- The machine produces a whirring or buzzing noise, which is normal for the procedure.
- The patient needs to remain very still as any movement can blur the image.
- Patient may be asked to hold the breath at times depending on the procedure.