CT Scan of the Head

What is the exam?

A multi-slice computed tomography (MSCT) scan is one of the safest and most reliable diagnostic imaging methods available today. It is simple, quick and painless. The scanner rotates X-ray emitters around the patient while taking transversal x-ray images of the body. These are converted digitally to create digital images called ‘tomographic slices’. The MSCT scan builds the structure of the body and internal organs based on these tomographic slices, allowing them to be visualised with high precision and reliability.
The images generated by MSCT scans create a three-dimensional image of the area being studied, which makes it possible to study overlapping areas. For example, an MSCT scan of the heart allows the doctor to visualise and navigate through the arteries in order to make a more precise diagnosis.

How is it done?

The patient lies down on the examination table, following the instructions given by the doctor and/or technician, and then remains immobile. While the table slides into the scanner tunnel, the X-ray emitters rotate at a high speed, taking X-ray pictures of the area being studied.
The captured images are processed by a computer, allowing the tomographic slices and the three-dimensional area under study to be visualised. For some MSCT scans a medicine is required, known as contrast medium, to allow a clearer, more precise visualisation.


CT Scan of the Head
This is a study of the brain parenchyma and the bony structures of the skull.
6 to 8-hour fasting period.


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