Anatomy for Neuroimaging

J. Keith Smith, M.D., Ph.D.Neuroradiology

Neuro-Anatomy

• Skull and Meninges (Dura, Pia)• Vasculature: Veins and Arteries• Surface Anatomy-Lobes, gyri, Sulci• Histologic-Broadman’s• Functional-motor, sensory, speech• White Matter• Cross sectional imaging

Skull and Meninges

Intracranial Hemorrhage

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http://www.teaching-biomed.man.ac.uk/resources/wwwcal/cranial_nerves/page1.asp

Cranial nerves

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Arterial Blood Supply

Anterior circulation Internal carotid arteriesPosterior circulation Vertebral arteries

Anatomy and Vascular Territories of the 3 Main Cerebral Arteries:Middle Cerebral Artery

Anterior Cerebral Artery and Posterior Cerebral Artery

Cortical Areas Supplied by the MCA, ACA and PCA

Superficial and Deep Arterial Supply to the Cerebral HemispheresCoronal Plane

Superficial and Deep Arterial Supply to the Cerebral HemisphereAxial Plane

Lenticulostriate Arteries Supply the Basal Ganglia and Internal Capsule

Arterial Supply of the Thalamus and Basal Ganglia

Ischemic: MCA Infarct

Ischemic: Lacunar Infarct

Ischemic: Basilar Thrombosis

Surface Anatomy-Lobes

http://faculty.washington.edu/chudler/lobe.html

Surface Anatomy-Gyri & Sulci

http://www.univie.ac.at/anatomie2/plastinatedbrain/surfaceanatomy/surface-suplat-text.html

Lateral

http://www.univie.ac.at/anatomie2/plastinatedbrain/surfaceanatomy/surface.html

Medial

Histological Anatomy-Broadman’s

Functional- Motor Cortex

Somatic Sensory Cortex

Language Areas

Talaraic Atlas

http://www.neuro.spc.org/talaraic/

White Matter-DTI

White Matter Fiber Tracts

Wakana S, Jiang H, Nagae-Poetscher LM, van Zijl PC, Mori S. Fiber tract-based atlas of human white matter anatomy. Radiology. 2004 Jan;230(1):77-87. Epub 2003 Nov 26.

Association Projection Callosum

Ventricles

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http://faculty.washington.edu/chudler/vent.html

Normal CT

Normal MRI T1 Weighted

Normal MRI T2 Weighted

5D 6Mo 14Mo

Misc Web resources

http://www.neuropat.dote.hu/anatomy.htm

http://www.temple.edu/acb/aker/Gross Brain Show/slide2.htm