8.1.2 CNS Imaging Flashcards
What is this an image of?
Lateral Ventricles
What type of image is this?
Head CT Image
What is this an image of?
Medulla
What type of image is this?
T2
White Matter Less Intense than Grey
What is this an image of?
Midbrain
What is the HU of water and how is this numbering organized?
Water = 0
What is this an image of?
3rd Ventricle
What are the Risks associated with CT?
Ionizing Radiation Exposure
Iodinated Contrast Exposure (Allergic Reaction or Nephrotoxicity)
What type of image is this?
T2 Variant FLAIR
What is the role of a Contrasted CT Scan?
Enhancement (higher attenuation of Xrays) no blood brain barrier
What type of image is this?
T1
White matter is more intense than grey
What are the risks associated with MRI?
Claustrophobia
Scan time long
Ferromagnetic metals
Gadolinium associated sclerosing dermopathy in patients with renal failure
What is the purpose of Gadolinium enhancement?
What is this an image of?
Pons
What is this an image of?
4th Ventricle
