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Holohemispheric developmental venous anomaly.
MedLine Citation:
PMID:  23628931     Owner:  NLM     Status:  In-Data-Review    
Developmental venous anomalies (DVA) are normally diminutive and incidental.(1,2) In this 33-year-old patient with epilepsy, the DVA is holohemispheric. Her epilepsy probably originates from the left side based on semiology; the EEG displayed left-sided slowing. Axial T1-weighted sequences show skull atrophy, ventricular widening, and satellite cavernous malformations with accumulation of subacute blood products including hemosiderin (figure, A and B). T2 gradient echo illustrates pockets of chronic hemorrhage (figure, C and D). Engorged holohemispheric anomalous venous structures channel into ventricular periependymal veins, illustrated by mulitplanar T1 echo spin postcontrast sequences (figure, E and F). Time to minimum perfusion reflects elevated transit times, suggesting venous hypertension and capillary backpressures.
Andrew K Jung; John W Henson; Daniel Susanto; Lisa M Caylor; Michael J Doherty
Publication Detail:
Type:  Journal Article    
Journal Detail:
Title:  Neurology     Volume:  80     ISSN:  1526-632X     ISO Abbreviation:  Neurology     Publication Date:  2013 Apr 
Date Detail:
Created Date:  2013-04-30     Completed Date:  -     Revised Date:  -    
Medline Journal Info:
Nlm Unique ID:  0401060     Medline TA:  Neurology     Country:  United States    
Other Details:
Languages:  eng     Pagination:  1718-9     Citation Subset:  AIM; IM    
From the Zanvyl Krieger School of Arts and Sciences (A.K.J.), Johns Hopkins University, Baltimore, MD; and Swedish Neuroscience Institute (J.W.H., D.S., L.M.C., M.J.D.), Seattle, WA.
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