Brain CT radiation damage to the body is very small, brain CT for brain tumors, brain hemorrhage and other diseases of the examination is necessary, the benefits of the examination is much higher than the harm, so there is no need to be too afraid, and actively cooperate with the examination can be.
Generally the radiation dose of CT to the human body is still relatively small, the radiation dose of cranial CT is about 2mSv, the radiation dose of thoracic CT, abdominal CT, pelvic CT is relatively large, about 5~10mSv, these radiation doses have not reached the standard of damage to the human body, and only if the amount of radiation reaches more than 100mSv/year, it may cause damage to the human body.
Brain CT plays an important role in diagnosing intracranial tumors, such as glioma, meningioma and other diseases, and can determine the location, size and number of tumors, etc. In addition, when diagnosing cerebral hemorrhage, brain CT can clearly show the location of the hemorrhage, the size of the hemorrhage, and the morphology of the hematoma.
Patients can choose the appropriate number of CT shots under the guidance of doctors according to their own conditions, to avoid the damage to the body caused by blindly performing CT examinations for many times.