scholarly journals Assessment of the Diagnostic Value and Image Quality of Dual-source Computed Tomography in Lumbar Vertebral Fractures: Comparison with Magnetic Resonance Imaging

2016 ◽  
Vol 28 (3) ◽  
pp. 261-267
Author(s):  
Jumpei SUYAMA ◽  
Yoichi KATAYAMA ◽  
Masumi TAKAHASHI ◽  
Kazunari NOZIMA ◽  
Kenji HASHIGAYA ◽  
...  
Author(s):  
U.C.M. Kafka ◽  
A. Carstens ◽  
G. Steenkamp ◽  
H. Symington

The purpose of this study was to determine the diagnostic value of magnetic resonance imaging (MRI) and computed tomography (CT) in oral masses of dogs. Nineteen dogs underwent clinical, MR and CT examinations. Eleven malignant and ten non-malignant masses were evaluated. Osteosarcoma was the most commonly found malignant oral mass and gingival hyperplasia was the most commonly found benign mass. The results showed that MRI provided more accurate information regarding the size of the masses and invasion of adjacent structures although MRI and CT show similar accuracy in assessment of bone invasion. Calcification and cortical bone erosion was better seen on CT images. Whereas contrast-MRI provided useful additional information, contrast-CT had no added benefit. In general, oral masses located in the caudal mandible, oropharynx and maxilla are better evaluated using MRI, once the histological type has been verified.


2016 ◽  
Vol 33 (3) ◽  
pp. 241-245 ◽  
Author(s):  
Yoshihiko Sasaki ◽  
Junya Ono ◽  
Tohru Akashiba ◽  
Masutaka Mizutani ◽  
Yasuo Okada ◽  
...  

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