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  • 1
    ISSN: 1279-8517
    Keywords: Deep branch of the radial nerve ; Radial tunnel ; Arcade of Frohse ; Epicondylalgia
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Description / Table of Contents: Résumé Une étude anatomique du tunnel radial a été réalisée sur vingt-cinq préparations de coude. Nous avons observé cinq structures pouvant entrer en conflit avec la branche profonde du nerf radial dans le tunnel radial et être responsable d'un syndrome canalaire : le complexe capsulo-tendino-aponévrotique situé à la face antérieure de l'articulation huméro-radiale et de la tête radiale, l'arcade vasculaire de l'artère récurrente radiale et ses branches, l'arcade du bord médial du muscle court extenseur radial du carpe, les arcades supérieure et inférieure du chef superficiel du muscle supinateur. Nous discutons nos résultats avec les données récentes des études anatomiques et cliniques, ainsi que l'intérêt de la voie d'abord chirurgicale entre les muscles court et long extenseurs radiaux du carpe.
    Notes: Summary The anatomy of the radial tunnel was studied on twenty-five elbow preparations. We noted five different elements that could affect the deep branch of the radial nerve in the radial tunnel and cause an entrapment syndrome : a capsule-tendon-aponeurotic complex on the anterior aspect of both the humeroradial joint and the radial head, the vascular arcade formed by the radial recurrent a. and its branches, the arcade formed by the medial edge of extensor carpi radialis brevis muscle, and the superior and inferior arcades of the superficial layer of the supinator muscle. These results are compared with recent anatomical and clinical data, and the relevance of a surgical approach between the extensor carpi radialis brevis and longus muscles is discussed.
    Type of Medium: Electronic Resource
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  • 2
    ISSN: 1279-8517
    Keywords: Deep branch of the radial nerve Radial tunnel Arcade of Frohse Epicondylalgia
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Notes: Abstract The anatomy of the radial tunnel was studied on twenty-five elbow preparations. We noted five different elements that could affect the deep branch of the radial nerve in the radial tunnel and cause an entrapment syndrome: a capsule-tendon-aponeurotic complex on the anterior aspect of both the humeroradial joint and the radial head, the vascular arcade formed by the radial recurrent a. and its branches, the arcade formed by the medial edge of extensor carpi radialis brevis muscle, and the superior and inferior arcades of the superficial layer of the supinator muscle. These results are compared with recent anatomical and clinical data, and the relevance of a surgical approach between the extensor carpi radialis brevis and longus muscles is discussed.
    Type of Medium: Electronic Resource
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  • 3
    ISSN: 1279-8517
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Notes: Conclusion L'échec du traitement médical d'un syndrome douloureux évoquant un syndrome du tunnel radial justifie l'exploration chirurgicale du tunnel radial à la recherche de structures de compression avec la BPNR, en gardant à l'esprit tous les sites possibles de conflit. L'abord entre les mm. court et long extenseur radiaux du carpe permet alors une approche directe et rapide aux deux structures les plus fréquemment en cause : l'arcade du CERC et l'arcade supérieure du chef superficiel du m. supinateur. Cet abord est aussi approprié pour l'exploration de l'ensemble du tunnel radial en restant à distance des multiples branches nerveuses collatérales pour les mm. brachioradial et LERC. La difficulté réside alors dans le repérage de la branche collatérale unique pour le CERC, particulièrement lorsqu'elle naît de la BPNR à proximité de la zone explorée.
    Type of Medium: Electronic Resource
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  • 4
    ISSN: 1432-1920
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Notes: Summary The authors emphasize the advantages of stereotaxic methodology in the management of 200 brain tumors. Nowadays computerized tomography is the first stage of radiologic diagnosis. Both CT scan and stereotaxic examination have been carried out in more than 35% of these tumors. Rather than a comparison of the two examinations, the authors' purpose is to attempt to demonstrate their complementarity in the assessment of location, volume, and nature of the lesion and eventually in the choice of a therapeutic attitude. Analysis of topographic data and staged biopsies, gathered from the ‘stereotaxic space,’ provides the neurosurgeon with accurate information for planned surgical excision or interstitial irradiation.
    Type of Medium: Electronic Resource
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  • 5
    ISSN: 1432-1920
    Keywords: Key words Cerebrovascular diseases ; Angiography ; three-dimensional ; Aneurysms ; intracranial
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Notes: Abstract We set out to validate the concept of three-dimensional (3D) angiography. We evaluated the sensitivity and the quality of morphological analysis mode possible by an experimental system for imaging cerebrovascular disease versus standard digital subtraction angiography (DSA). The system, the 3D Morphometer, is a computerised X-ray angiography unit capable of acquiring a set of two-dimensional (2D) projections during a rotation and then reconstructing a 3D volume from them. We studied 78 patients with suspected cerebrovascular disease. 3D and 2D images (standard 2D DSA performed during the same procedure), were reviewed blindly to assess detection and display of morphological characteristics of cerebrovascular diseases. We found 53 aneurysms, 22 arteriovenous malformations and two venous angiomas. On 3D angiography we detected two aneurysms we missed on 2D angiography. In 47 aneurysms on which further data were obtained during surgery or embolisation, the 3D angiography allowed more accurate analysis of the neck and surrounding vessels in cases in which the 2D angiographic findings were doubtful. Assessment of arteriovenous malformations was equivalent with both techniques. Under the conditions of our study, the technical constraints being the same for both methods, 3D angiography was superior to 2D angiography. Implementation on C-arm vascular systems is being evaluated.
    Type of Medium: Electronic Resource
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  • 6
    ISSN: 1432-1084
    Keywords: Key words: Teleradiology – Telemedicine – DICOM – ATM – Assessment
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Notes: Abstract. The RETAIN project (Radiological Examinations Transfer on an ATM Integrated Network) has aimed at testing videoconferencing and DICOM image transfers to get advice about difficult radiological cases over an asynchronous transfer mode (ATM)-based network, which affords a more comfortable interface than narrow-band networks and allows exchange of complete image series using the DICOM format of studies. For this purpose, an experimental ATM network was applied between six university hospitals in four different countries. An assessment of the functionalities of the system was performed by means of log-file analysis, video recording of the sessions and forms filled out by the participants at the end of each session. Questionnaires were answered by the users at the end of the project to bring out perspectives of utilisation and added value. We discussed 43 cases during 20 sessions. For technical or organisational problems, only 20 of the 36 planned sessions took place. The throughput over ATM (10.5 Mbit/s, 20 times faster than six ISDN B-channels) was adequate. Despite the experimental configuration of the network, the system was considered as satisfactory by all the physicians. In 72 % of the sessions, the expected result (answer to the question) was gained. By common consent, videoconferencing was unanimously regarded as a prominent tool in improving the interaction quality. Asynchronous transfer mode is an efficient method for fast transferring of radiologic examinations in DICOM format and for discussing them through high-quality videoconferencing.
    Type of Medium: Electronic Resource
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