The easiest way to seperate an MRI from a CT scan is to look at the outside of the head. CT has little tissue contrast, but the bone is bright. With an MRI, tissue contrast is more visible, including soft tissues. This allows for great flexibility in what it emphasizes.
There are three Standard Imaging Planes, or cardinal planes -- Axial, Coronal, and Sagittal.
Because the human eye can't see the entire range of density detected by a CT scan, 'windows' are needed to reveal these levels. CT has relatively few densities, so they are easier to read.
More on Dr. Hess: profiles.ucsf.e...
UC San Francisco advances health through education, research, patient care and public service. With seven major sites in the San Francisco Bay Area and Fresno, the UCSF School of Medicine is dedicated to improving human health by accelerating scientific discovery and transforming medical education. The school’s new Bridges curriculum is pioneering a new approach to medical education to prepare physicians for practice in the 21st century. Through mentorship and collaborative learning, students are trained to care for patients, conduct research and contribute vital knowledge to improve our health system.
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20 апр 2015
