Similar to an X-ray test, CT scan is also a noninvasive medical test that is used to diagnose the inner body. Though its complete name is Computed Tomography, it is popular with acronym as CT. It generates numerous cross-sectional images of the internal body. The photos can be seen on a laptop/computer monitor, reproduced on film or transmitted any storage device. CT Scan for Brain gives a picture of about brain tissue and structures. Hence offers more info linked to damages and illnesses of the brain whereas CT Scan for Sinus assesses the Paranasal sinus cavities like resonating, air-filled spaces in the bones of the face adjoining the nasal cavity.