Search Results - "Ossant, F"

In-vivo imaging of skin under stress: potential of high-frequency (20 MHz) static 2-D elastography by Mofid, Y., Ossant, F., Imberdis, C., Josse, G., Patat, F.

“…The aim of this study was to evaluate the potential of high-frequency static two-dimensional (2-D) elastography for in vivo exploration of the mechanical…”
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A multitechnique evaluation of topical corticosteroid treatment by Josse, G, Rouvrais, C, Mas, A, Haftek, M, Delalleau, A, Ferraq, Y, Ossant, F, George, J, Lagarde, J M, Schmitt, A M

“…Corticosteroids are widely prescribed for systemic or local treatment of inflammatory autoimmune disorders. Long-term therapy is associated with side effects…”
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In vivo high-frequency ultrasonic characterization of human dermis by Guittet, C., Ossant, F., Vaillant, L., Berson, M.

“…The aim of this study is in vivo skin tissue characterization of young and old human cutaneous tissues by estimating the slope of the attenuation coefficient…”
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Time-varying autoregressive spectral estimation for ultrasound attenuation in tissue characterization by Girault, J.-M., Ossant, F., Ouahabi, A., Kouame, D., Patat, F.

“…In the field of biological tissue characterization, fundamental acoustic attenuation properties have been demonstrated to have diagnostic importance…”
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Évaluation in vivo par échographie à très haute fréquence des modifications épithéliales cornéennes induites par un bêta-bloquant avec 0,01 % de chlorure de benzalkonium by Denoyer, A., Ossant, F., Arbeille, B., Fetissof, F., Patat, F., Pisella, P.-J.

“…Évaluation de l’apport de l’échographie très haute fréquence (ETHF) dans le suivi comparatif in vivo des modifications cornéennes épithéliales induites par une…”
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Impact of Sonothrombolysis on in vitro Blood Clot: Pictographic Validation with Electron Microscopy by Auboire, Laurent, Tranquart, François, Ossant, Frederic, Sennoga, Charles, Bouakaz, Ayache

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Exploration of abnormal skin tissue (Marfan syndrome) with 2D high resolution elastography by Gahagnon, S, Ossant, F, Edouard, T, Josse, G

“…The purpose of the present study was to compare mechanical properties of healthy and diseased human skins. We used an elastographic imaging system described…”
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High-resolution ultrasonography: utility in diagnosis, treatment, and monitoring dermatologic diseases by Machet, L, Ossant, F, Bleuzen, A, Grégoire, J-M, Machet, M-C, Vaillant, L

“…Although less precise than histological examination, high-resolution skin imaging is a noninvasive technique that provides complementary information to the…”
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Airborne ultrasonic imaging system for parallelepipedic object localization by Ossant, F., Poisson, G., Tran-Huu-Hue, L.P., Roncin, A., Lethiecq, M.

“…An ultrasonic image device was designed for use in robotic applications where parallelepipedic objects need to be manipulated. It is based on ranging…”
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Interest of the attenuation coefficient in multiparametric high frequency ultrasound investigation of whole blood coagulation process by CALLE, Rachel, PLAG, Camille, PATAT, Frédéric, OSSANT, Frédéric

“…Previous studies [R. Libgot, F. Ossant, Y. Gruel, P. Lermusiaux, and F. Patat, Proc.-IEEE Utrason. Symp. 4, 2259-2262 (2005); R. Libgot-Calle, F. Ossant, Y…”
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High frequency ultrasound characterization of the blood clotting process: intra- and inter-individual variations by Libgot, R., Ossant, F., Gruel, Y., Lermusiaux, P., Patat, F.

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Techniques and applications of noninvasive high-resolution ultrasound imaging by Grégoire, J-M, Serrière, S, Georgesco, G, Jamet, F, Bleuzen, A, Ossant, F, Levassort, F, Tranquart, F, Patat, F

“…Today manufacturers propose echographic systems with a resolution ranging from 100 microm down to 30 microm. This requires ultrasonic frequencies ranging from…”
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Peut-on faire l’exérèse de tous les mélanomes en seul temps opératoire grâce à l’échographie haute fréquence ? by Chaput, L., Sallot, A., Laurent, E., Laure, B., Mourtada, Y., Georgescou, G., Grégoire, J.-M., Ossant, F., Maruani, A., Vaillant, L., Patat, F., Machet, L.

“…La marge d’exérèse d’un mélanome (0,5, 1 ou 2cm) dépend de son épaisseur maximale mesurée sur lame d’histologie (indice de Breslow). L’exérèse du mélanome…”
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Caractérisation par échographie cutanée haute résolution des neurofibromes cutanés au cours de la neurofibromatose de type 1 by Raffin, D., Georgescou, G., Mourtada, Y., Maruani, A., Ossant, F., Patat, F., Vaillant, L., Machet, L.

“…L’échographie cutanée haute résolution (ECHR) pour avoir une résolution suffisante (0,1mm) recourt à des sondes de 20 à 100MHz. Elle est utilisée en soin…”
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Human dermis ultrasound characterization: backscattering parameters between 22-45 MHz by Lebertre, M., Ossant, F., Vaillant, L., Diridollou, S., Patat, F.

“…The aim of this work was to determine the intra- and inter-individual variations of several acoustical parameters such as attenuation coefficient slope,…”
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Ultrasound skin characterization: an in vivo study of intra and inter individual variations by Lebertre, M., Ossant, F., Bouyer, J., Vaillant, L., Diridollou, S., Patat, F.

“…Acoustic properties of healthy skin were assessed in vivo on three body sites: forehead, abdomen and forearm. The acoustic properties are described on the…”
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Adaptive spectral estimation of the attenuation in skin by Girault, J.M., Ouahabi, A., Ossant, F., Patat, F., Guittet, C.

“…In the field of biological tissue characterization, fundamental acoustic attenuation properties have demonstrated to have diagnostic importance. A…”
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Spatial variation of acoustic parameters in human skin: an in vitro study between 22 and 45 MHz by Lebertre, Matthias, Ossant, Frédéric, Vaillant, Loïc, Diridollou, Stéphane, Patat, Frédéric

“…This study of spatial variance of acoustic parameters was performed on eight nonfrozen samples of female abdominal skin (women 46.5 +/- 12.2 years old),…”
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Ultrasonic tissue characterization for the backscattering estimation of the attenuation coefficient at high frequencies: 20-100 MHz by Guittet, C., Ossant, F., Remenieras, J.-P., Pourcelot, L., Berson, M.

“…High frequency A-scan lines were simulated considering point-like diffusers in an attenuating medium in order to mimick skin tissues. Then, the centroid…”
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Ultrasonic characterization of maturation of fetal lung microstructure: an animal study by Ossant, F, Lebertre, M, Pourcelot, L, Patat, F

“…Scattering parameters and histological properties of the ewe fetal lung microstructure were examined in vitro. Four groups of lamb fetuses were chosen at 80,…”
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