Serge Mordon

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Indocyanine green (ICG) is a fluorescent dye that has been used for the imaging of retinal and choroidal vasculatures for more than 30 years. Its high molecular weight, specific metabolic features, and its infrared spectra make the specificity of the images obtained with this dye in ophthalmology. The focus of this paper is to review the basic properties of(More)
BACKGROUND AND OBJECTIVES Endovenous laser treatment (ELT) has been proposed as an alternative in the treatment of reflux of the great saphenous vein (GSV) and small saphenous vein (SSV). Numerous studies have since demonstrated that this technique is both safe and efficacious. ELT was presented initially using diode lasers of 810 nm, 940 nm, and 980 nm.(More)
PURPOSE To investigate the performance of a new method of automatic segmentation of prostatic multispectral magnetic resonance images into two zones: the peripheral zone and the central gland. METHODS The proposed method is based on a modified version of the evidential C-means clustering algorithm. The evidential C-means optimization process was modified(More)
BACKGROUND AND OBJECTIVES Liposuction continues to be one of the most popular procedures performed in cosmetic surgery. As the public's demand for body contouring continues, laser lipolysis has been proposed to improve results, minimize risk, optimize patient comfort, and reduce the recovery period. Mathematical modeling of laser lipolysis could provide a(More)
BACKGROUND The aim of this article is to summarize and review the proposed theories on the laser action during endovenous ablation. METHODS Laser mechanics and laser-tissue interaction are summarized from articles found in literature. Several theories, like the "steam bubble theory," the "direct contact theory," the "heat pipe," and "direct light energy(More)
PURPOSE To assess a biological effect induced by temperature elevation during transpupillary thermotherapy (TTT). METHODS Six pigmented rabbits were anesthetized, and TTT was performed on the right eye using an 810-nm diode laser installed on a slit lamp (spot size, 1.3 mm; duration, 60 seconds; power, 92-150 mW). A series of laser pulses were aimed at(More)
OBJECTIVES The aim of this study was to test whether peroxynitrite neutralizers would reduce peroxynitrite accumulation and improve myocardial contractile dysfunction and inflammation in endotoxin-treated rats. BACKGROUND Release of endogenous proinflammatory cytokines such as tumor necrosis factor (TNF)-alpha in response to endotoxin is responsible for(More)
OBJECTIVE To determine whether sphingomyelinase pathway activation would participate in myocardial depression induced by endotoxin. DESIGN Randomized, controlled trial. SETTING Experimental laboratory. SUBJECTS Male Sprague-Dawley rats, isolated rat heart, and cardiac myocytes. INTERVENTIONS Cardiovascular function was evaluated in rats injected(More)
PURPOSE Computerized detection of prostate cancer on T2-weighted MR images. METHODS The authors combined fractal and multifractal features to perform textural analysis of the images. The fractal dimension was computed using the Variance method; the multifractal spectrum was estimated by an adaptation of a multifractional Brownian motion model. Voxels were(More)
BACKGROUND AND OBJECTIVES Endovenous laser treatment (ELT) has been recently proposed as an alternative in the treatment of reflux of the Great Saphenous Vein (GSV) and Small Saphenous Vein (SSV). Successful ELT depends on the selection of optimal parameters required to achieve an optimal vein damage while avoiding side effects. Mathematical modeling of ELT(More)