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Blunt trauma of bone structures of the chest: Computed tomography vs multidetector computed tomography

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Author(s): Petrović Kosta | Turkalj Ivan | Stojanović Sanja | Vučaj-Ćirilović Viktorija | Nikolić Olivera | Stojiljković Dragana

Journal: Vojnosanitetski Pregled
ISSN 0042-8450

Volume: 70;
Issue: 8;
Start page: 757;
Date: 2013;
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Keywords: thoracic injuries | wounds | nonpenetrating | diagnosis | tomography | x-ray computed | imaging | threedimensional | diagnostic techniques and procedures

ABSTRACT
Background/Aim. Computerized tomography (CT), especially multidetector CT (MDCT), has had a revolutionary impact in diagnostic in traumatized patients. The aim of the study was to identify and compare the frequency of injuries to bone structures of the thorax displayed with 5-mm-thick axial CT slices and thin-slice (MDCT) examination with the use of 3D reconstructions, primarily multiplanar reformations (MPR). Methods. This prospective study included 61 patients with blunt trauma submitted to CT scan of the thorax as initial assessment. The two experienced radiologists independently and separately described the findings for 5-mmthick axial CT slices (5 mm CT) as in monoslice CT examination; MPR and other 3D reconstructions along with thin-slice axial sections which were available in modern MDCT technologies. After describing thin-slice examination in case of disagreement in the findings, the examiners redescribed thinslice examination together which was ultimately considered as a real, true finding. Results. No statistically significant difference in interobserver evaluation of 5 mm CT examination was recorded (p > 0.05). Evaluation of fractures of sternum with 5 mm CT and MDCT showed a statistically significant difference (p < 0.05) in favor of better display of injury by MDCT examination. Conclusion. MDCT is a powerful diagnostic tool that can describe higher number of bone fractures of the chest in traumatized patients compared to 5 mm CT, especially in the region of sternum for which a statistical significance was obtained using MPR. Moreover, the importance of MDCT is also set by easier and more accurate determination of the level of bone injury.
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