TY - JOUR
T1 - Three-dimensional computed tomography angiography in presurgical planning for treatment of infratentorial dural arteriovenous fistulas
T2 - Technical note
AU - Paolini, Sergio
AU - Lanzino, Giuseppe
AU - Colonnese, Claudio
AU - Venditti, Eugenio
AU - Cantore, Giampaolo
AU - Esposito, Vincenzo
PY - 2009/1
Y1 - 2009/1
N2 - Dural arteriovenous fistulas (DAVFs) with pure leptomeningeal drainage may be cured by simple interruption of their venous side. This report illustrates the cases of 3 patients undergoing surgery for fistulas classified as Borden Type III, involving the posterior cranial fossa. Preoperatively, the surgical anatomy of these lesions was investigated with 3D reformatting of multislice CT angiography, in addition to conventional angiography. Reformatted images clarified the surgical anatomy of the malformation. Reconstructing both the osseous and the vascular structures and simulating the surgical orientation allowed localization of the dural takeoff point of the DAVF's drainage, showing its relationship with osseous landmarks. Precise localization of the DAVF's drainage may help in choosing the most direct and effective approach to treat the malformation. The reported cases could be treated with a standard retrosigmoid exposure, avoiding the need for more complex cranial base approaches.
AB - Dural arteriovenous fistulas (DAVFs) with pure leptomeningeal drainage may be cured by simple interruption of their venous side. This report illustrates the cases of 3 patients undergoing surgery for fistulas classified as Borden Type III, involving the posterior cranial fossa. Preoperatively, the surgical anatomy of these lesions was investigated with 3D reformatting of multislice CT angiography, in addition to conventional angiography. Reformatted images clarified the surgical anatomy of the malformation. Reconstructing both the osseous and the vascular structures and simulating the surgical orientation allowed localization of the dural takeoff point of the DAVF's drainage, showing its relationship with osseous landmarks. Precise localization of the DAVF's drainage may help in choosing the most direct and effective approach to treat the malformation. The reported cases could be treated with a standard retrosigmoid exposure, avoiding the need for more complex cranial base approaches.
KW - Cranial base
KW - Dural arteriovenous fistula
KW - Surgery
KW - Three-dimensional computed tomography angiography
KW - Venous drainage
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U2 - 10.3171/2008.4.17515
DO - 10.3171/2008.4.17515
M3 - Article
C2 - 18834269
AN - SCOPUS:60749124677
VL - 110
SP - 85
EP - 89
JO - Journal of Neurosurgery
JF - Journal of Neurosurgery
SN - 0022-3085
IS - 1
ER -