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  • 1
    ISSN: 1279-8517
    Keywords: Lumbar vertebral venous plexuses ; MRI ; CT ; Anatomic technique ; Radiologic correlations
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Description / Table of Contents: Résumé Le but de ce travail a été de mettre au point une technique d'injection des plexus veineux vertébraux permettant des études anatomiques, tomodensitométriques et en résonance magnétique de la même pièce anatomique. Seul un mélange correctement dosé de différents produits permettait de réaliser cet objectif. Le mélange était composé de gélatine, de gadolinium et de minium. La description de la technique d'injection des plexus veineux vertébraux lombaires, les difficultés que nous avons rencontrées, les résultats des différentes techniques d'imagerie seront analysés dans cette étude sans entrer dans les détails de la description anatomique. Le corpus de cette étude est constitué de 11 sujets non embaumés : trois sujets ont été injectés avec de la gélatine mélangée à du gadolinium ; un sujet au latex mélangé à du minium ; un sujet au latex mélangé à du gadolinium et du minium ; 6 sujets à la gélatine mélangée à du gadolinium et du minium. Seul le mélange gélatine-gadolinium-minium a permis l'étude de la même pièce anatomique en anatomie, TDM et IRM. Deux séquences IRM différentes ont été décrites, témoignage des propriétés différentes des produits du mélange d'injection (gélatine, gadolinium). Le mélange latex-minium a donné une bonne densité en TDM mais n'a pas été favorable aux études en IRM. De nombreux artefacts ont parasité les images radiologiques, nécessitant une technique d'injection parfaite. L'utilisation de plusieurs techniques radiologiques pour une seule injection cadavérique permet une meilleure corrélation des images, la comparaison et la vérification des résultats entre les techniques.
    Notes: Summary The aim of this study was to develop a technique for injection of the vertebral venous plexuses allowing anatomic, computed tomography (CT) and magnetic resonance imaging (MRI) studies of the same anatomic specimen. It proved in practice that only a correctly adjusted mixture of different agents allowed attainment of this objective. This mixture, composed of gelatin, gadolinium and minium, enabled us to attain this end. The description of the technique of injecting the vertebral venous plexuses, the difficulties encountered and the results of the different imaging techniques are analysed in this study without entering into details of the anatomic description. The core of the study consists of 11 unembalmed subjects. Three were injected with gelatin mixed with gadolinium, one with latex mixed with minium, one with latex mixed with gadolinium, and 6 with gelatin mixed with both gadolinium and minium. Only the mixture of gelatin — gadolinium — minium allowed study of the same anatomic specimen in terms of anatomy, CT and MRI. Two different MRI sequences are described, evidence of the different properties of the injection mixture (gelatin, gadolinium). The latex-minium mixture gave good CT density but was unsuitable for MRI studies. Numerous artifacts caused interference with the radiologic images, calling for perfect injection technique. The use of several radiologic techniques for a single cadaveric injection allows better correlation of the images, and comparison and verification of results between the techniques.
    Type of Medium: Electronic Resource
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  • 2
    ISSN: 1279-8517
    Keywords: Lumbar vertebral venous plexuses ; MRI ; CT ; Anatomic technique ; Radiologic correlations
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Notes: Abstract The aim of this study was to develop a technique for injection of the vertebral venous plexuses allowing anatomic, computed tomography (CT) and magnetic resonance imaging (MRI) studies of the same anatomic specimen. It proved in practice that only a correctly adjusted mixture of different agents allowed attainment of this objective. This mixture, composed of gelatin, gadolinium and minium, enabled us to attain this end. The description of the technique of injecting the vertebral venous plexuses, the difficulties encountered and the results of the different imaging techniques are analysed in this study without entering into details of the anatomic description. The core of the study consists of 11 unembalmed subjects. Three were injected with gelatin mixed with gadolinium, one with latex mixed with minium, one with latex mixed with gadolinium, and 6 with gelatin mixed with both gadolinium and minium. Only the mixture of gelatin - gadolinium - minium allowed study of the same anatomic specimen in terms of anatomy, CT and MRI. Two different MRI sequences are described, evidence of the different properties of the injection mixture (gelatin, gadolinium). The latex-minium mixture gave good CT density but was unsuitable for MRI studies. Numerous artifacts caused interference with the radiologic images, calling for perfect injection technique. The use of several radiologic techniques for a single cadaveric injection allows better correlation of the images, and comparison and verification of results between the techniques.
    Type of Medium: Electronic Resource
    Location Call Number Limitation Availability
    BibTip Others were also interested in ...
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