CT Scans: Do They Include Head and Neck Areas? - Radiology

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Hello doctor, six months ago I underwent a CT scan due to a salivary gland tumor.
I remember the machine scanned back and forth between my head and neck.
I would like to ask if this means that my head was also included in the scan?

Niming, 10~19 year old female. Ask Date: 2018/12/14

Dr. Wang Yifen reply Radiology


Hello: The head at the same level as the parotid gland will be within the scanning range.
Wishing you peace and health.

Reply Date: 2018/12/14

More Info


When it comes to CT scans, particularly those involving the head and neck, it's important to understand how these scans are conducted and what areas they cover. Based on your experience with a CT scan for a salivary gland tumor, it is indeed common for the scanning process to encompass both the head and neck regions.
CT scans, or computed tomography scans, utilize X-ray technology to create detailed cross-sectional images of the body. When a CT scan is ordered for the head and neck, the machine typically scans through both areas to provide a comprehensive view. This is particularly useful for diagnosing conditions that may affect both regions, such as tumors, infections, or structural abnormalities.

In your case, since you had a CT scan due to a salivary gland tumor, the scan likely included the surrounding tissues in the neck as well as the head. This is because the salivary glands are located in the neck, and any potential issues could extend into the head area. The CT scan would help the physician assess not only the tumor itself but also any potential involvement of nearby structures, such as lymph nodes or other glands.

Regarding your concern about whether the scan would include the head, the answer is yes. Most CT protocols for the head and neck are designed to capture a wide area, which means that both the head and neck are typically included in the imaging. This allows for a more accurate diagnosis and treatment planning.

It's also worth noting that while CT scans are very effective for visualizing soft tissues, they do involve exposure to radiation. Therefore, physicians carefully consider the necessity of the scan based on the clinical situation. In your case, the benefits of obtaining a clear image of the tumor and surrounding structures likely outweighed the risks associated with radiation exposure.

If you have any lingering concerns about the scan or its implications, it would be beneficial to discuss them with your healthcare provider. They can provide more specific information based on your medical history and the details of your scan. Additionally, if you have any symptoms or changes in your condition, it’s important to communicate those to your doctor, as they may warrant further investigation or follow-up imaging.

In summary, CT scans for the head and neck are comprehensive and typically include both areas. They are essential tools in diagnosing and managing conditions like tumors, and understanding their scope can help alleviate concerns about what is being examined. If you have further questions or need clarification on your specific situation, don't hesitate to reach out to your healthcare provider for personalized advice.

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