ct scan radiology hospital Loiliang | |
In radiology, a CT (computed tomography) scan is a diagnostic imaging technique that uses X-rays and computer technology to create detailed cross-sectional images of the body. CT scans provide clear images of bones, organs, soft tissues, and blood vessels, allowing radiologists to diagnose and monitor various medical conditions. Here's an overview of CT scan radiology: Image Acquisition: During a CT scan, the patient lies on a motorized table that moves through a doughnut-shaped scanner. X-ray beams are emitted from multiple angles as the scanner rotates around the patient. Detectors measure the amount of radiation that passes through the body, and the data is processed by a computer to create cross-sectional images, or "slices," of the body. Image Reconstruction: The raw data obtained from the CT scanner is processed using sophisticated algorithms to reconstruct detailed images of the internal structures. These images can be viewed as individual slices or combined to create three-dimensional (3D) reconstructions. Diagnostic Interpretation: Radiologists interpret the CT images to diagnose various medical conditions, including: Traumatic injuries, such as fractures, internal bleeding, or organ damage. Tumors and cancerous growths in organs or tissues. Infections, abscesses, and inflammatory conditions. Vascular abnormalities, such as aneurysms or blood clots. Structural abnormalities, such as congenital malformations or anatomical variants. Contrast Enhancement: In some cases, a contrast agent may be administered intravenously, orally, or rectally to enhance the visibility of certain structures or abnormalities on the CT images. Contrast agents contain substances, such as iodine or barium, that absorb X-rays, making blood vessels, organs, or lesions more visible. Specialized CT Protocols: Different CT protocols are used for imaging specific areas of the body or evaluating particular conditions. For example: CT angiography (CTA) is used to visualize blood vessels and detect vascular abnormalities. CT colonography (virtual colonoscopy) is used to screen for colorectal cancer. CT pulmonary angiography (CTPA) is used to diagnose pulmonary embolism. Cardiac CT imaging is used to assess the heart and coronary arteries. CT perfusion imaging is used to evaluate blood flow and tissue perfusion in the brain or other organs. | |
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Target State: All States Target City : All Cities Last Update : 29 March 2024 5:49 PM Number of Views: 83 | Item Owner : Dr Sudhir Navale Contact Email: (None) Contact Phone: (None) |
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