Doctors primarily use CT scans to diagnose conditions that would be more difficult to detect using other methods. They help diagnose circulatory problems, stroke, cancer, and internal organ injuries. A CT scan may also be used as part of planning treatment, such as creating a detailed picture of a tumor before radiotherapy. In trauma cases, CT scans can quickly provide images of internal injuries, guiding immediate medical intervention. They are also used in monitoring the progression of certain diseases and the effectiveness of treatments.

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