7) Vascular occlusive disease (Moyamoya)
One specific type to know is:
Moyamoya Disease
Occlusive disease of the distal ICAs
On catheter angiography, the collateral vessels resemble puffs of smoke, (moyamoya means “puff of smoke" in Japanese)
see HSS
90094 (presenting with intraventricular hemorrhage, R1-2 conf 2.11.13)
another case presenting as intraventricular hemorrhage in Radiographics 1993
http://radiographics.rsna.org/content/13/2/483.full.pdf+html
1229295 (CTA, CT Perfusion 2/2013 case presented in MEGA by Lefton 3/4/13)
Treatments:
Surgical
http://www.childrenshospital.org/az/Site1317/mainpageS1317P4.html
Case in Point (2/28/2006)
http://3s.acr.org/CIP/ArchiveCaseView.aspx?CaseId=BF4Th0RkFDs%3d
Case in Point (7/11/2008) Sickle Cell causing Moyamoya
http://3s.acr.org/CIP/ArchiveCaseView.aspx?CaseId=TVztz8deOoM%3d
Wikipedia