Computerized Tomography, or CT scans, use X-rays to produce images, unlike MRI scans, which use magnetic fields and radio waves. CT scans expose a person to X-rays, but the scanners are designed so that the patient is not exposed to extremely high radiation levels. CT scans are quicker than MRI scans, usually lasting about ten minutes. The doctor will always weigh the benefits and risks of a CT scan before advising a patient to have one. Read on to learn why a physician might refer patients for a CT scan.
A CT scan can detect brain conditions like stroke and vascular dementia. The images produced by a CT scan provide detailed information about brain tissue and brain structures. Here are the five most common reasons a patient may require a CT scan.
Head and brain CT scans can check for and assess a variety of issues, including:
A CT scan can be useful for doctors and surgeons performing tests and procedures on the head and brain. For example, the CT scan can help guide doctors during a biopsy, surgery, or while a patient is undergoing radiation therapy.
2. Guiding cancer treatment
CT scans are often instrumental in diagnosing cancer and forming a treatment plan. When a physician administers radiation treatment, they use CT scans to clarify the position of tumors. Doctors also use CT scans to determine the efficacy of chemotherapy, as the images can show how much cancer has spread and how quickly.
A CT scan can also help doctors look for changes in the body. This can be useful for individuals with emphysema or liver masses.
3. Identifying blood clots and tumors
CT scans help doctors identify blood clots and tumors when a patient is experiencing related symptoms. For example, when a patient needs surgery on a tumor, a CT scan is often the first step in the process. The more information the surgeon has about the location and size of the tumor, the more efficiently they can perform procedures, such as biopsies.
Doctors also use these scans to look for signs of an infection or excess fluid. In addition, CT scans allow doctors and surgeons to identify how engaged a tumor is with the surrounding tissue, which could improve surgical outcomes.
4. Checking for bone and joint problems or conditions
CT scans can determine bone or joint problems due to an injury or ongoing condition, even if an X-ray does not show any issues. CT scans can detect several issues that could be the source of pain, including everything from bone fractures to tumors.
Car accident victims who are suffering from internal bleeding and other injuries that are not outwardly visible need a fast way to diagnose the problem. A CT scan can detect internal injuries and bleeding so that physicians know what areas to treat.
5. Diagnosing abdominal pain
CT scans of the abdomen may use barium as a contrast dye to produce highly detailed images of organs, including the liver, kidneys, gallbladder, spleen, ovaries, and uterus. The addition of intravenous iodine-based dye amplifies the images and quality, allowing physicians to diagnose various issues simultaneously. CT scans can check for:
A CT urography describes the radiological exam that evaluates the kidneys, bladder, and ureters.
There are various other reasons a patient may need or benefit from a CT scan, including symptoms that require a deeper look into the body than an X-ray can. Our team can help by discussing your symptoms, thoroughly examining your body for visible signs, and conducting an assessment before ordering a CT scan. We will then discuss your options and determine whether the CT scan would be in your best interest. Finally, we can explain the results and order of operations, depending on the type of scan and location in the body. If you would like more information about our services, call our office at {{PHONE}} today and book a consultation.
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