Virtual Endoscopy and 3D Volume Rendering in the Management of Frontal Sinus FracturesReport as inadecuate

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Collegium antropologicum, Vol.33 supplement 2 No.2 December 2009. -

Frontal sinus fractures FSF are commonly caused by traffic accidents, assaults, industrial accidents and gunshot wounds. Classical roentgenography has high proportion of false negative findings in cases of FSF and is not particularly useful in examining the severity of damage to the frontal sinus posterior table and the nasofrontal duct region. High resolution computed tomography was inavoidable during the management of such patients but it may produce large quantity of 2D images. Postprocessing of datasets acquired by high resolution computer tomography from patients with severe head trauma may offer a valuable additional help in diagnostics and surgery planning. We performed virtual endoscopy VE and 3D volume rendering 3DVR on high resolution CT data acquired from a 54-year-old man with with both anterior and posterior frontal sinus wall fracture in order to demonstrate advantages and disadvantages of these methods. Data acquisition was done by Siemens Somatom Emotion scanner and postprocessing was performed with Syngo 2006G software. VE and 3DVR were performed in a man who suffered blunt trauma to his forehead and nose in an traffic accident. Left frontal sinus anterior wall fracture without dislocation and fracture of tabula interna with dislocation were found. 3D position and orientation of fracture lines were shown in by 3D rendering software. We concluded that VE and 3DVR can clearly display the anatomic structure of the paranasal sinuses and nasopharyngeal cavity, revealing damage to the sinus wall caused by a fracture and its relationship to surrounding anatomical structures.

frontal sinus fractures; high resolution computer tomography; virtual endoscopy; 3D volume rendering

Author: Stanko Belina - ; Department of Radiology, Special Hospital »Krapinske Toplice«, Krapinske Toplice, Croatia Višeslav Ćuk - ;



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