Basic rule: Image orientation
2
By convention, the right side of
the brain CT scan is on the left
of the reader and it should be
labelled as such!
Brain CT images are read as
if you are viewing the patient
from the feet thus their right
side of the brain is to your
left ...
BASICS OF CT SCAN NEUROIMAGING
A.N Malik, Department of Human Anatomy, JKUAT
, Basic rule: Image orientation
2
By convention, the right side of
the brain CT scan is on the left
of the reader and it should be
labelled as such!
Brain CT images are read as
if you are viewing the patient
from the feet thus their right
side of the brain is to your
left and vice vasa.
The anterior part of the head
is at the top of the image.
A.N. Malik, Department of Human Anatomy, JKUAT. 9/26/2024
, The 3 basic densities/shades of grey
3
Isodense: same density as
brain(sub-acute bleed)
Hyperdense: of higher density than
the brain and appears whiter(bone
and acute bleed).
Hypodense: of lower density than
the brain and appears dark(CSF,
air).
A.N Malik, Department of Human Anatomy, JKUAT. 9/26/2024
, Normal anatomy that can be confused with acute bleeds
4
Calcified pineal gland,
choroid plexus and
dentate nucleus.
A.N Malik, Department of Human Anatomy, JKUAT. 9/26/2024
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