Departmental Bulletin Paper High-resolution cone beam CT for evaluation of vascular channel in intracranial partial thrombosed aneurysm

Shintai, Kazunori  ,  Matsubara, Noriaki  ,  Izumi, Takashi

80 ( 2 )  , pp.279 - 284 , 2018-05 , Nagoya University Graduate School of Medicine, School of Medicine
ISSN:0027-7622
Description
The authors present a 60-year-old man with a partially thrombosed, intracranial vertebral artery aneurysm. A vascular channel in intra-aneurysmal thrombus was effectively identified with high-resolution cone beam CT (DynaCT Micro: Siemens Medical Solutions, Erlangen, Germany). Pre-procedural vertebral angiogram implied a perforating artery arising from near neck of the aneurysm and DynaCT Micro performed before approaching to the lesion demonstrated a vascular channel running in intra-aneurysmal thrombus which could not be distinguished from perforators with other imaging modalities. It was confirmed that perforators around the aneurysm were not identified and safely treated the aneurysm with stent-assisted coil embolization. High-resolution cone beam CT is enable to sharply visualize vessel lumens, thrombus, and intra-thrombus structures, and is useful to identify a vascular channel in intracranial partially thrombosed aneurysm.
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