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. 2013 Oct;35(8):729-36.
doi: 10.1007/s00276-013-1082-8. Epub 2013 Mar 1.

Display with 64-detector MDCT angiography of cerebral vascular variations

Cihad Hamidi  1 , Yaşar Bükte, Salih Hattapoğlu, Faysal Ekici, Güven Tekbaş, Hakan Önder, Hatice Gümüş, Aslan Bilici
Affiliations

Display with 64-detector MDCT angiography of cerebral vascular variations

Cihad Hamidi et al. Surg Radiol Anat. 2013 Oct.

Abstract

Purpose: The aim of this study was to assess the cerebral variations and observe their frequency in the patients who have undergone angiographies with the state of the art 64-slice multidetector computed tomography (MDCT) angiography technique due to various reasons.

Methods: 500 patients (253 women, 247 men) who had CT scan in the period of April 2008 to March 2010 at Dicle University Medicine Faculty Hospital Radiology Unit were surveyed in this study. Patients who had CT scan with brain CT angio protocol were evaluated using multiplanar, maximum intensity projection (MIP) and volume rendering (VR) images in work station.

Results: 773 variations were totally detected among 500 patients. Variations were categorized as Willis polygon, fenestration and other variations. Frequent variations were detected at Willis polygon and posterior communicating artery (PCOA) hypoplasia was detected as the prevalent variation.

Conclusions: In the present study, we have demonstrated that cerebral vascular variations are frequent and that these variations can be detected in a non-invasive manner using the MDCT angiography. The results obtained from our study may serve as preoperative guidelines for the units performing surgical procedures.

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