X-Ray Exams for Scoliosis: Radiation Exposure Explained - Radiology

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Hello Dr.
Wang, I would like to ask which parts are examined for scoliosis? I have had three X-rays taken, one in a supine position and one in a lateral position each time.
How much radiation have I been exposed to approximately? Thank you, Dr.
Wang.

Mr. Huang, 10~19 year old female. Ask Date: 2018/11/08

Dr. Wang Yifen reply Radiology


Hello Mr.
Huang: The X-ray for scoliosis is performed to assess the angle of spinal curvature, and the imaging range should at least include the thoracic and lumbar spine.
The number of images taken and the radiation dose may vary slightly depending on the machine type and the body size of the patient.
For estimates of radiation dose and risk, you can refer to the American Society of Radiologic Technologists website at http://www.xrayrisk.com/calculator/calculator.php.

Reply Date: 2018/11/08

More Info


When it comes to X-ray examinations for scoliosis, the typical procedure involves taking images of the spine to assess its alignment and curvature. Generally, the X-rays are taken in two positions: standing (or upright) and lying down, which allows the physician to evaluate the spine from different angles.
For scoliosis evaluations, the most common X-ray views include the anteroposterior (AP) view, which captures the spine from the front, and the lateral view, which captures it from the side. In some cases, additional views may be taken to provide a more comprehensive assessment of the curvature.

Regarding radiation exposure, each standard X-ray typically exposes a patient to a relatively low dose of radiation. For example, a single X-ray of the spine can deliver approximately 0.1 to 0.2 millisieverts (mSv) of radiation, depending on the specific technique and equipment used. Therefore, if you had three X-rays—two in the lying position and one in the standing position—the total radiation exposure would be approximately 0.3 to 0.6 mSv.
To put this in perspective, the average person is exposed to about 3 mSv of background radiation per year from natural sources, such as cosmic rays and radon gas. Therefore, the radiation exposure from your scoliosis X-rays is relatively low and is considered safe, especially when weighed against the benefits of accurately diagnosing and monitoring scoliosis.

It's important to note that while X-ray examinations do involve exposure to radiation, the risk of developing any radiation-induced health issues from such low doses is extremely minimal. The benefits of obtaining a clear diagnosis and appropriate treatment far outweigh the risks associated with the radiation exposure from these diagnostic procedures.

If you have concerns about the cumulative effects of radiation exposure from multiple X-ray exams, it's always a good idea to discuss these with your healthcare provider. They can provide personalized advice based on your medical history and the necessity of the imaging studies. In general, medical professionals adhere to the principle of "as low as reasonably achievable" (ALARA) when it comes to radiation exposure, ensuring that the benefits of imaging outweigh the risks.

In summary, for your scoliosis evaluation, the radiation exposure from three X-ray exams is relatively low, and the procedure is essential for accurate diagnosis and management of your condition. Always feel free to ask your healthcare provider about any concerns regarding radiation exposure and the necessity of imaging studies. Your health and safety are paramount, and open communication with your medical team is key to making informed decisions about your care.

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