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- Title
Subdural contrast effusion during endovascular therapy: case report.
- Authors
Dahl, Rasmus Holmboe; Eskesen, Vagn; Benndorf, Goetz
- Abstract
Accumulation of contrast medium in the subdural space after diagnostic intraarterial contrast administration is a rare observation. The authors report the case of a subdural contrast effusion (SCE) presenting during endovascular treatment of an intracranial dural arteriovenous fistula (DAVF) mimicking an acute subdural hematoma. Differentiation between the two by computed tomography (CT) or intraprocedural Dyna CT and early neurological examination can be crucial for patient management. We believe that repeated large-volume contrast injections via large-bore intermediate catheters into the territory of an (even partly) occluded DAVF may induce leakage of contrast medium into the extravascular subdural space thereby causing a SCE.
- Subjects
EXUDATES &; transudates; CONTRAST media; ARTERIOVENOUS fistula; COMPUTED tomography; SUBDURAL hematoma; INTRACRANIAL hematoma
- Publication
Acta Neurochirurgica, 2019, Vol 161, Issue 11, p2403
- ISSN
0001-6268
- Publication type
Article
- DOI
10.1007/s00701-019-04049-2