OBJECTIVE Comparative evaluation of ground-glass opacity using conventional high-resolution computed tomography technique and volumetric computed tomography by 64-row multi-slice scanner, verifying advantage of volumetric acquisition and post-processing technique allowed by 64-row CT scanner. METHODS Thirty-four patients, in which was assessed ground-glass opacity pattern by previous high-res...

This study aimed to examine the relationship between fetal dose and the dose-length product, and to evaluate the impact of the number of rotations on the fetal doses and maternal effective doses using a 320-row multidetector computed tomography unit in a wide-volume mode. The radiation doses for the pregnant woman and the fetus were estimated using ImPACT CT Patient Dosimetry Calculator softwar...

Reprint requests to: Dr. Tzu-Lung Ho Department of Radiology, Kuang Tien General Hospital. No.117, Shatian Road, Shalu, Taichung 433, Taiwan, R.O.C. Infected aneurysm of the abdominal artery has been found occasionally, but being accompanied with arteriovenous fistula detected by CT angiography has rarely been reported. A preoperative clinical diagnosis of infected aneurysm and arteriovenous fi...

PURPOSE To compare single-detector row computed tomography (CT) and multi-detector row CT by using an experimental phantom containing a contrast-detail modulus for detection of low-contrast structures to optimize acquisition protocols. MATERIALS AND METHODS The parameters milliampere seconds, reconstructed section thickness, and elementary collimation for multi-detector CT were varied for two...

BACKGROUND AND PURPOSE Patients with symptoms of semicircular canal dehiscence often undergo both CT and MR imaging. We assessed whether FIESTA can replace temporal bone CT in evaluating patients for SC dehiscence. MATERIALS AND METHODS We retrospectively reviewed 112 consecutive patients (224 ears) with vestibulocochlear symptoms who underwent concurrent MR imaging and CT of the temporal bon...