Patterns
"Large vessel"
ACA, MCA, PCA
Subacute infarct
"Border zone" (formerly known as watershed infarct)
Q: A well defined CSF attenuation/signal focus in the inferior third of the lentiform nucleus is most likely a:
1. Lacunar infarct
2 Gelatinous pseudocyst
3 Prominent Virchow-Robin space
4 Epidermoid cyst
A: Prominent Virchow-Robin space
Q: Where else do we commonly see prominent V-R spaces
A: centrum semiovale (so called etat-crible)
cerebral peduncle
Reference:
AJNR
http://www.ajnr.org/content/26/3/566.full.pdf
Q: Who wrote the classic neurology paper on lacunes?
1. E. Gordon Liddy
2. E Gordon Depuey
3. C.Miller Fisher
4 L. Ron Hubbard
A: 3. C.Miller Fisher in 1965!
Reference:
http://emedicine.medscape.com/article/1163029-overview
Embolic
random infarcts, multiple territories
Q: What is the vascular distribution of the anterior choroidal artery?
A: Posterior limb of the internal capsule.