1) Arterial

Patterns

"Large vessel"

ACA, MCA, PCA

Subacute infarct

"Border zone" (formerly known as watershed infarct)

Reference

Radiographics

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

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:

Embolic

random infarcts, multiple territories

Q: What is the vascular distribution of the anterior choroidal artery?

A: Posterior limb of the internal capsule.