Neurology: Understanding Head CT Scans and Brain Anatomy, Exams of Anatomy

Download Neurology: Understanding Head CT Scans and Brain Anatomy and more Exams Anatomy in PDF only on Docsity!

Intro to Head CT

Renee B. Van Stavern, MD

Neurology

Normal head CT

Back

Front

Slice thickness

Bone

Muscle

Hemorrhage

Contrast

Brain

Grey matter

White matter

Edema

CSF

Fat

Air

Attenuation

CT Contrast

CT Contrast

Kindergarten Kop – It’s NOT a tuma. B. Mendelson

CT Limitations

 There is radiation

 Bone artifact obscures visualization, especially

posterior fossa and spinal cord

 Not very sensitive to intraparenchymal lesions or

brain edema

 Noncontrast CT misses many abnormalities

 Risk of allergic reaction to iodinated contrast media

http://www.radiology.wisc.edu/Med_Students/neuroradiology/NeuroRad/NeuroRad.htm Cingulate gyrus Brain Anatomy Review The anatomic origin of the foot fetish. K. Clark

Diencephalon

http://www9.biostr.washington.edu/

http://www9.biostr.washington.edu/

Ventricular system

http://www.radiology.wisc.edu/Med_Students/neuroradiology/NeuroRad/NeuroRad.htm

Normal anatomy

Note Brainstem Orientation!

Neuroanatomy Class CT

WU Neuroscience Tutorial

http://thalamus.wustl.edu/course/

Dorsal

Ventral

Ventral

Dorsal

1 http://medstat.med.utah.edu/kw/brain_atlas/brsc

2 3 4

http://medstat.med.utah.edu/kw/brain_atlas/brsc/index.htm