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Biomedical subjects

M Benozio

Publications and source records attributed to M Benozio.

At least 37 records · Page 2Linked to original sources

[X-ray computed tomographic aspects of benign mesotheliomas. Apropos of 4 cases].

Localized pleural mesothelioma or benign mesothelioma is a rare tumor and it has a good prognosis. The value of computed tomography (CT) in the evaluation of pleural disease is now well recognized. However, little information has been written regarding the value of CT in localized pleural mesothelioma. We describe four cases. CT findings include sharply delineated, smoothly contoured masses, often with homogeneous soft tissue density. Angles with the chest wall are obtuse or acute. In case of acute angles, a smoothly tapering margin may be encountered.

Adult↗

[Optochiasmatic tuberculoma and MRI. 2 cases].

Two cases are reported of optochiasmatic tuberculoma, an exceptional complication difficult to diagnose in the absence of any tuberculous context. Although diagnosis of the optochiasmatic occupying process is simple by scan or NMR imaging, it is generally difficult to identify the chiasma in a process of this type. It is therefore impossible to recognize the two forms of these tuberculomas: intra- and peri-chiasmatic histologic types, and yet these have an incidence on therapy and prognosis. Surgical exploration is justified when the diagnosis remains in doubt or when the functional prognosis is implicated.

Adult↗

MRI in the pre-operative assessment of tracheal cylindroma. Case report.

Compared with malignant neoplasms of the chest, benign tumours are quite rare; cylindroma (or salivary gland adenoma) is exceptional. The apparent histological benignancy belies its high potential for invasiveness. This can, in some cases, lead to extensive, non-conservative surgery. By a different approach in the imaging of the chest, Magnetic Resonance Imaging in this condition may provide an accurate pre-operative assessment. We present a case in which MRI provided the information necessary for the surgical approach, and describe its accuracy and the results obtained.

Adult↗

Common origin of the arterial blood flow for an arteriovenous medullar fistula and the anterior spinal artery: a case report.

A common origin of the blood supply to a dural arteriovenous malformation and to the spinal cord from the same segmental artery is very rare. This obviously contraindicates embolization of the fistula. Demonstrating the location of the normal spinal blood supply system is therefore mandatory to avoid postoperative complications. The visualization of the normal blood vessels can be masked by a steal phenomenon, but it must at all costs be obtained. The authors describe one such case.

Angiography↗

[Evaluation of digital subtraction angiography, ultrasonography and Doppler velocimetry versus conventional angiography in the femoral bifurcation].

Thirty patients were examined by 4 procedures, conventional angiography (C.A.), peripheric intravenous digital subtraction angiography (D.S.A.), ultrasonography and Doppler on femoral artery bifurcation. These arteries are divided into several sections on which findings were classified into three or five categories. There is an excellent correlation between conventional and digital angiograms. Various results of D.S.A. versus C.A. were obtained in 2% of these sections. More differences were noticed between C.A. and Doppler (7%), C.A. and ultrasonography (10%). There is a positive correlation of D.S.A. versus C.A. With Doppler and ultrasonography, arterial map is difficult to establish especially in case of many stenoses of the iliac arteries or thrombosis on femoral superficialis arteries.

Adult↗

[Evaluation of elementary radiologic images of Crohn's ileitis. Retrospective study of a homogeneous series of 238 double-contrast transits in the small intestine].

An homogeneous series of 238 double contrast examinations of the small bowel were reviewed. In this study, 32 regional enteritis (RE) were encountered. Statement of different semiologic signs of RE was established. This study exhibited various signs in RE; some of them were observed in various other enteritis (mainly tumors, ischemia and variation enteritis). Sensitivity varies between 6 and 84%. Highest values are noted with ulcerations, nodules, narrowing of the lumen wall. Specificity and predictive values vary from 64% to 100%. The best results are obtained with graduate lesions, fistulae, skipped area and cobblestone. Only graduate lesions are really pathognomonical but uncommon lesions. Analysis of double contrast small bowel examination has to be compared with the whole medical report in order to improve diagnosis accuracy.

Adolescent↗