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Sabatier, J.P.; Demeyer, G.; Thouin, M.; Fernandez, Y.
Scintillation cameras. Data processing and display systems
Scintillation cameras. Data processing and display systems
AbstractAbstract
[en] A scintigraphic data processing system consisting of a Nuclear Enterprises NE 8900 gamma camera and an NTT computer is described. The results of efficiency tests on this camera are given, the parameters involved being as follows: homogeneity, intrinsic resolution, linearity study, dead time calculation. The conclusion is that these characteristics can be improved. Software applications are also studied (acquisition of correction matrices, recording of a scintigraphic examination, image processing). The possibilities of the system in the field of dynamic studies are emphasized
[fr]
On a presente un systeme de traitement des donnees scintigraphiques, comprenant une gamma camera Nuclear Entreprises NE 8900 et un calculateur NTT. Une experimentation sur les performances de cette camera a porte sur les parametres suivants dont on a indique les resultats correspondants: homogeneite, resolution intrinseque, etude de la linearite, calcul du temps mort. On considere que ces performances peuvent etre ameliorees. On a etudie egalement la mise en oeuvre du software d'application (acquisition de matrices de correction, enregistrement d'un examen scintigraphique, traitement d'image). On a insiste sur les possibilites du systeme en ce qui concerne les etudes dynamiquesOriginal Title
Presentation du systeme de traitement en cours de fonctionnement au Laboratoire des radio-isotopes de Caen
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9 p; nd; Centre Europeen de Promotion Medicale; Lyon, France; European technological congress on nuclear medicine; Lyon, France; 24 Jan 1974
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AbstractAbstract
[en] Short communication
Original Title
Absorptiometrie biphotonique X du col femoral: comparaison avec la mesure controlaterale, correlation avec la mesure du rachis
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30. French Colloquium on Nuclear Medicine; 30. Colloque de Medecine Nucleaire de Langue Francaise; Montpellier (France); 16-19 Oct 1991
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AbstractAbstract
[en] Published in summary form only
Original Title
Absorptiometrie biphotonique: depistage des sujets a risque
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28. French Colloquium on nuclear Medicine; 28. Colloque de Medecine Nucleaire de langue francaise; Paris (France); 8-10 Dec 1988
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AbstractAbstract
[en] Following a previous report, the authors present a more perfected apparatus for bone mineral measurement on femoral shaft. They also explain the informatic system they have developped, which involves a microprocessing unit. This microprocessor stores up to ten examination; then it is connected to a central computer, which realizes the various calculations needed for femoral bone densitometry. The advantage of such a peripherical unit is discussed
[fr]
Les auteurs presentent un appareil d'exploration de densitometrie osseuse femorale et son systeme de prise d'information construit autour d'un microprocesseur. Cet ensemble peut prendre en compte dix examens. Il est relie a un ordinateur central pour traitement informatique differeOriginal Title
Densitometrie osseuse femorale. Realisation d'un systeme d'exploration autonome
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Journal Article
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Journal Francais de Biophysique et Medecine Nucleaire; v. 5(3); p. 179-181
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AbstractAbstract
[en] Dual photon absorptiometry allows quantitative investigation of the vertebral mineral content. The authors report the bone mineralization regression curves they obtained with their prototype in male and female controle subjects. There is a fracture threshold, unconnected with age, between normal and osteoporotic subjects. DPA results correlate well with those of Quantitative Computed Tomography. DPA can be used to monitor patient's mineralization and detect subjects at increased risk for fractures
[fr]
L'absorptiometrie biphotonique rachidienne permet une etude quantitative de l'etat de mineralisation du rachis. Utilisant leur prototype, les auteurs rapportent les courbes de decroissance de la mineralisation osseuse qu'ils ont obtenues chez des sujets temoins feminins et masculins. Il existe un seuil fracturaire, independant de l'age, separant les populations temoin et osteoporotique. Les resultats de l'ABR sont bien correles a ceux de la tomodensitometrie. L'ABR permet la surveillance de l'evolution des patients ainsi que le depistage des sujets a risqueOriginal Title
L'absorptiometrie biphotonique rachidienne. Une methode d'actualite pour l'evaluation de l'etat osseux
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Journal Article
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BEAMS, BETA DECAY RADIOISOTOPES, BODY, DAYS LIVING RADIOISOTOPES, DISEASES, ELECTROMAGNETIC RADIATION, ELECTRON CAPTURE RADIOISOTOPES, EVALUATION, EVEN-ODD NUCLEI, GADOLINIUM ISOTOPES, INTERMEDIATE MASS NUCLEI, IONIZING RADIATIONS, ISOTOPES, NUCLEI, ORGANS, RADIATIONS, RADIOISOTOPES, RARE EARTH NUCLEI, SKELETAL DISEASES, SKELETON, SPECTROSCOPY, TOMOGRAPHY
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AbstractAbstract
[en] Published in summary form only
Original Title
Osteoporose: Depistage des sujets a risque par absorptiometrie biphotonique rachidienne
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11. Annual Meeting of the French Society of Rheumatology. French congress of Rheumatology; Paris (France); 15-16 Mar 1988
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Journal Article
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Revue du Rhumatisme et des Maladies Osteo-Articulaires; ISSN 0035-2659;
; CODEN RRMOA; v. 55(3); p. 224

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AbstractAbstract
[en] With quantification techniques of the spinal bone condition, especially with spinal biphotonic absorptiometry, early screening of patients risking subsequent development of osteoporosis complicated with vertebral compression is possible. An investigation was conducted in Lower Normandy, in 386 women who had undergone menopause or an ovariectomy, with ages ranging between 40 and 56 years; 274 were in a peri-menopausal state. A curve of the bone mineral content according to age was previously established. From this curve, in semilogarithmic representation, each patient risk was assessed. This risk is considered as high in 30 p. cent of the patients, non existent in 52 p. cent and 18 p. cent are borderline. The percentage of high risk patients increases with the number of years since menopause. It is hoped that the incidence of osteoporosis will decrease with early screening and preventive therapeutic measures
[fr]
Grace aux techniques de quantification de l'etat osseux rachidien, tout particulierement l'absorptiometrie biphotonique rachidienne, le depistage precoce des sujets risquant de presenter ulterieurement une osteoporose compliquee de tassements vertebraux est possible. On a realise une enquete en Basse-Normandie chez 386 femmes, menopausees, agees de 40 a 56 ans; 284 d'entre elles etaient en peri-menopause. On avait precedemment etabli une courbe du contenu mineral osseux en fonction de l'age. A partir de cette courbe, en representation semi-logarithmique, on estime le risque de chaque sujet. Ce risque est considere eleve chez 30 p. cent des sujets, nul chez 52 p. cent, 18 p. cent se situant dans une zone frontiere. Le pourcentage des sujets a risque eleve croit avec le nombre d'annees ecoulees depuis la menopause. On peut esperer que l'incidence de l'osteoporose diminuera grace au depistage precoce et aux mesures therapeutiques preventivesOriginal Title
Osteoporose post-menopausique: depistage precoce des sujets a risque par absorptiometrie biphotonique rachidienne
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11. French meeting on Rhumatology; 11. Journees Francaises de Rhumatologie; Paris (France); 16 Mar 1988
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Journal Article
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Revue du Rhumatisme et des Maladies Osteo-Articulaires; ISSN 0035-2659;
; CODEN RRMOA; v. 57(2); p. 99-103

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AbstractAbstract
No abstract available
Original Title
Le flou cinetique en scintigraphie hepatique. Utilisation d'une methode originale de correction
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Journal Article
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Journal de Biologie et de Medecine Nucleaires; v. 8(32); p. 22-27
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No abstract available
Original Title
Absorptiometrie osseuse dichromatique par photons gamma: methodologie et realisation d'un nouveau dispositif
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25. French-speaking colloquium on nuclear medicine; Sousse (Tunisia); 26-28 Sep 1985; Published in summary form only.
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Journal Article
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Journal de Biophysique et de Biomecanique; CODEN JBNDD; v. 9(3); p. 172-173
Country of publication
ACTINIDE NUCLEI, ALPHA DECAY RADIOISOTOPES, AMERICIUM ISOTOPES, BARIUM ISOTOPES, BEAMS, BETA DECAY RADIOISOTOPES, BODY, CONNECTIVE TISSUE, DAYS LIVING RADIOISOTOPES, DISEASES, ELECTROMAGNETIC RADIATION, ELECTRON CAPTURE RADIOISOTOPES, EVEN-ODD NUCLEI, HEAVY NUCLEI, INTERMEDIATE MASS NUCLEI, IONIZING RADIATIONS, ISOMERIC TRANSITION ISOTOPES, ISOTOPES, MEASURING INSTRUMENTS, NUCLEI, ODD-EVEN NUCLEI, ORGANS, RADIATION DETECTORS, RADIATIONS, RADIOISOTOPES, SKELETAL DISEASES, TISSUES, YEARS LIVING RADIOISOTOPES
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Dupuy, P.; Sosinski, B.; Sabatier, J.P.; Fernandez, Y.
17. French language symposium on nuclear medicine. Paris, June 2-4, 19751975
17. French language symposium on nuclear medicine. Paris, June 2-4, 19751975
AbstractAbstract
[en] The systems currently found on the market enable whole-body scintigraphs to be obtained with a cine-camera, but all are designed for use with one type of camera alone. The whole-body system developed here is independent of the make of camera and offers all the possibilities of computer treatment. The various stages of an examination carried out with this apparatus are described
[fr]
Les systemes trouves actuellement sur le marche permettent la realisation de scintigraphies corporelles totales a l'aide d'une camera. Mais tous ces systemes sont etroitement lies a un type de camera. On a realise un systeme d'imagerie corps entier independant de la marque de la camera et apportant toutes les possibilites de traitement par un calculateur. On enumere les differentes etapes d'un examen realise au moyen de ce systemeOriginal Title
Realisation d'une image osseuse a l'aide d'un systeme corps entier pilote par un calculateur
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Source
Kellershohn, C.; Raynaud, C. (eds.); CEA Centre d'Etudes Nucleaires de Saclay, 91 - Gif-sur-Yvette (France). Dept. de Biologie; p. 209-210; ISBN 2727200013;
; 1975; 17. French language symposium on nuclear medicine; Paris, France; 02 Jun 1975

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