[Comparative CT-MR evaluation in the study of the pterygo-maxillary fossa in relation to clinical and surgical problems of the region].
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Biomedical subjects
Publications and source records attributed to C Masciocchi.
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Direct CT of the knee joint was performed on 45 patients who subsequently underwent surgery for clinically suspected capsuloligamentous lesions. It was possible to perform a complete examination on all patients, even those immobilized in a cast or with acute clinical symptoms. Computed tomography correctly differentiated 32 lesions of the anterior cruciate ligament, five lesions of the posterior cruciate ligament, 16 lesions of the collateral ligaments, and 43 associated meniscal lesions. In five cases surgery disproved the CT diagnosis. Our experience permitted us to identify direct CT signs that not only indicate the presence of a capsuloligamentous lesion but also determine its site, extent, and seriousness.
Fifty patients with lumbar spinal disease, 47 of them with disk herniation, were studied preoperatively using both electromyography and computerized tomography (CT), in order to verify the mutual diagnostic significance and accuracy of these techniques. Electromyographic studies provided correct informations regarding the level of the lesion in 41 patients with 1 mistaken level and 8 false negatives, without indicating the nature of involved pathologies. The specific nature of the lesions was correctly indicated by CT studies in 43 patients with 4 incorrect diagnoses and 3 false negatives, without defining the functional loss produced by the lesions. Using electromyography and CT together, first electromyographic studies to establish the spinal level to investigate principally with CT, the diagnostic accuracy can improve because of the decrease of the false negatives.
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