Optical-thermal simulation of tonsillar tissue irradiation.

abstract：BACKGROUND AND OBJECTIVES:Varieties of laser and light sources have been tried for treatment of alopecia areata (AA) and some success has been reported. To assess the effectiveness of 1,540  nm fractional erbium-glass laser in treatment of AA. STUDY DESIGN/MATERIALS AND METHODS:The patches of AA were divided into two ...

journal_title：Lasers in surgery and medicine

authors： Al-Dhalimi MA,Al-Janabi MH,Abd Al Hussein RA

更新日期：2019-12-01 00:00:00

abstract：BACKGROUND AND OBJECTIVES:Q-switched lasers had been used in the treatment of lentigo maligna but their role remains controversial. While previous studies have addressed the change in adhesion molecule expression after sub-lethal laser damage, no study has addressed the impact of sub-lethal laser damage at a molecular ...

journal_title：Lasers in surgery and medicine

authors： Chan HH,Xiang L,Leung JC,Tsang KW,Lai KN

更新日期：2003-01-01 00:00:00

abstract：BACKGROUND AND OBJECTIVE:A port wine stain (PWS) is a type of capillary vascular malformation composed of malformed, dilated blood vessels within the papillary and reticular dermis. Currently, pulsed dye laser (PDL) is considered the therapeutic gold standard, although greater than 90% of lesions may be refractory to t...

journal_title：Lasers in surgery and medicine

authors： Griffin TD Jr,Foshee JP,Finney R,Saedi N

更新日期：2016-02-01 00:00:00

abstract：BACKGROUND AND OBJECTIVES:Non-invasive laser skin treatment modalities are generally designed to protect the epidermis by cooling and limiting the laser energy deposition in accordance with skin type. We explore a treatment modality that uses a 2,940 nm Er:YAG laser with high tissue absorption to ablate an array of cha...

journal_title：Lasers in surgery and medicine

authors： Tanghetti E,Mirkov M,Sierra RA

更新日期：2017-01-01 00:00:00

abstract：BACKGROUND AND OBJECTIVE:The aim of this study was to evaluate the efficacy and safety of the intense pulsed light source (IPL) and the Nd:YAG laser in the treatment of facial rhytids. Both systems can be used in a non-ablative manner and cause a dermal wound. This is thought to stimulate the production of new collagen...

journal_title：Lasers in surgery and medicine

authors： Goldberg DJ,Samady JA

更新日期：2001-01-01 00:00:00

abstract：BACKGROUND:Acne scarring is a common disfiguring sequela of acne vulgaris which can lead to serious psychosocial problems and have a negative effect on patients' quality of life. Although a variety of approaches can be used to treat atrophic acne scars, disadvantages such as long-healing time, dyspigmentation, infectio...

journal_title：Lasers in surgery and medicine

authors： Lan T,Xiao Y,Tang L,Hamblin MR,Yin R

更新日期：2018-10-01 00:00:00

abstract：:The use of lasers as surgical tools may open up new possibilities for the treatment of atherosclerotic occlusive vascular disease. However, basic information regarding the effect of laser radiation to the lumen of normal blood vessels is needed prior to clinical application. This work investigates the nature of the CO...

journal_title：Lasers in surgery and medicine

authors： Treat MR,Weld FM,White JV,Forde KA,Fenoglio JJ,L'Esperance F,Voorhees AB

更新日期：1983-01-01 00:00:00

abstract：BACKGROUND AND OBJECTIVE:Laser ablation of stratum corneum (SC) enhances transdermal delivery of hydrophilic drugs. The influence of the infrared (IR) (lambda = 1,064 nm), visible (lambda = 532 nm), and ultraviolet (UV) (lambda = 355 nm) radiations of a Nd:YAG laser on transdermal delivery of 5-Fluorouracil (5-Fu) acro...

journal_title：Lasers in surgery and medicine

authors： Gómez C,Costela A,García-Moreno I,Llanes F,Teijón JM,Blanco D

更新日期：2008-01-01 00:00:00

abstract：BACKGROUND AND OBJECTIVE:The goal of this study was to use an inexpensive macroscopic imaging system to monitor tumor progression in mouse models in real-time with minimal intervention. STUDY DESIGN/MATERIALS AND METHODS:Illumination is provided via a xenon arc lamp and a fiber optic probe which delivers white light o...

journal_title：Lasers in surgery and medicine

authors： Carlson AL,Hoffmeyer MR,Wall KM,Baugher PJ,Richards-Kortum R,Dharmawardhane SF

更新日期：2006-12-01 00:00:00

abstract：BACKGROUND AND OBJECTIVES:One of the methods to detect and localize tumors in tissue is to use fluorophore conjugated specific antibodies as tumor surface markers. The goals of this study are to understand and quantify the pharmacokinetics of fluorophore conjugated antibodies in the vicinity of a tumor. This study conc...

journal_title：Lasers in surgery and medicine

authors： Fibich G,Hammer A,Gannot G,Gandjbakhche A,Gannot I

更新日期：2005-08-01 00:00:00

abstract：BACKGROUND AND OBJECTIVES:Keloids have been treated with flashlamp pulsed dye lasers (PDLs) with good results. We investigated whether PDL treatments induced keloid regression by decreasing growth factor-beta(1) (TGF-beta(1)) induction, thereby reducing fibroblast proliferation and collagen deposition. STUDY DESIGN/MA...

journal_title：Lasers in surgery and medicine

authors： Kuo YR,Jeng SF,Wang FS,Chen TH,Huang HC,Chang PR,Yang KD

更新日期：2004-01-01 00:00:00

abstract：:One carotid from each dog underwent a laser anastomosis and the other carotid an interrupted suture repair. One or eight weeks later (n greater than or equal to 4 dogs/time period); four rings (1 mm in length) containing the laser or suture anastomosis or the normal artery (two/dog) were removed. Using a photoelectric...

journal_title：Lasers in surgery and medicine

authors： Dalsing MC,Packer CS,Kueppers P,Griffith SL,Davis TE

更新日期：1992-01-01 00:00:00

abstract：BACKGROUND AND OBJECTIVE:In a previous study, the possibility of removal of dog gingival melanin pigmentation with CO(2) laser therapy was reported. The present study was designed to investigate the effect of the CO(2) laser on human gingival pigmentation and evaluate the clinical outcome. STUDY DESIGN/MATERIALS AND M...

journal_title：Lasers in surgery and medicine

authors： Nakamura Y,Hossain M,Hirayama K,Matsumoto K

更新日期：1999-01-01 00:00:00

abstract：:The acute or emergency treatment of traumatic tattoos has been based on the principles of immediate and thorough removal of all particles. The delayed treatment of traumatic tattoos has classically been with overgrafting or dermabrasion. We developed an animal model for traumatic tattoos. Two levels of wounds were mad...

journal_title：Lasers in surgery and medicine

authors： Sunde D,Apfelberg DB,Sergott T

更新日期：1990-01-01 00:00:00

abstract：BACKGROUND AND OBJECTIVES:Nanotechnology may increase the speed of penetration into the skin. This study evaluated the efficacy, safety, and pharmacokinetics of a novel topical anesthetic nanocapsule formulation (2 g) containing 2.5% lidocaine and 2.5% prilocaine (nanorap-test formulation) compared to placebo (control ...

journal_title：Lasers in surgery and medicine

authors： Gobbato C,Gobbato A,Magalhães TB,Mendes GD,Ilha JO,Moreno RA,Antunes NJ,De Nucci G

更新日期：2019-09-01 00:00:00

abstract：:Patients with malignant obstructive airway lesions often present with total or segmental atelectasis of lung. In spite of prompt initiation of palliative external radiation alone, some patients were unable to complete the planned course of radiation therapy. Since May 1983, 17 patients with malignant obstructive endob...

journal_title：Lasers in surgery and medicine

authors： Jain PR,Dedhia HV,Lapp NL,Thompson AB,Frich JC Jr

更新日期：1985-01-01 00:00:00

abstract：BACKGROUND AND OBJECTIVE:Endoscopic third ventriculostomy is used to treat hydrocephalus. Different laser wavelengths have been proposed for laser-assisted endoscopic third ventriculostomies over the last decades. The aim of this study was to evaluate Thulium laser endoscopic third ventriculostomy heat penetration in t...

journal_title：Lasers in surgery and medicine

authors： de Boorder T,Brouwers HB,Noordmans HJ,Woerdeman PA,Han KS,Verdaasdonk RM

更新日期：2017-12-07 00:00:00

abstract：BACKGROUND AND OBJECTIVES:Lasers can be used to modify the chemical composition of dental enamel to increase the bond strength to restorative materials and to render the mineral phase more resistant to acid dissolution. Previous studies have suggested a synergistic relationship between CO(2) laser irradiation and fluor...

journal_title：Lasers in surgery and medicine

authors： Wheeler CR,Fried D,Featherstone JD,Watanabe LG,Le CQ

更新日期：2003-01-01 00:00:00

abstract：BACKGROUND AND OBJECTIVE:Despite the successful application of laser in animal experiments and clinics, the adjustment of laser parameters during surgery is still unclear. This study aimed to investigate the effect of different 980-nm diode laser parameters in hepatectomy. This could provide a clear protocol for using ...

journal_title：Lasers in surgery and medicine

authors： Ma T,Chai YC,Zhu HY,Chen H,Wang Y,Li QS,Pang LH,Wu RQ,Lv Y,Dong DH

更新日期：2019-10-01 00:00:00

abstract：BACKGROUND:Reflectance confocal microscopy (RCM) is a developing approach for noninvasive detection of oral lesions with label-free contrast and cellular-level resolution. For access into the oral cavity, confocal microscopes are being configured with small-diameter telescopic probes and small objective lenses. However...

journal_title：Lasers in surgery and medicine

authors： Peterson G,Zanoni DK,Ardigo M,Migliacci JC,Patel SG,Rajadhyaksha M

更新日期：2019-05-08 00:00:00

abstract：INTRODUCTION:Clinical laser settings have traditionally been calibrated on abdominal skin to predict and anticipate patterns of injuries in facial skin. This experimental approach has limitations as facial skin and abdominal skin have differences that may influence the depth of laser injury. OBJECTIVE:The primary obje...

journal_title：Lasers in surgery and medicine

authors： Bailey SH,Brown SA,Kim Y,Oni G,Abtahi F,Richardson JA,Hoopman J,Barton F,Kenkel JM

更新日期：2011-02-01 00:00:00

abstract：:The advantages of the laser have been extolled in the literature but, in contrast, there is a paucity of information on the hazards involved in its surgical use. Recognition and prevention of risks is a mandatory requirement. The experience by encounter is described with counsel as to the prerequisite of taking precau...

journal_title：Lasers in surgery and medicine

authors： Lobraico RV

更新日期：1984-01-01 00:00:00

abstract：:The distribution of light in laser-irradiated biological medium is computed using four different procedures. Values computed with Beer's law of attenuation, Kubelka-Munk theory, the diffusion approximation, and a seven-flux model are compared. The proper conditions for using each model are discussed. ...

journal_title：Lasers in surgery and medicine

authors： Welch AJ,Yoon G,van Gemert MJ

更新日期：1987-01-01 00:00:00

abstract：BACKGROUND AND OBJECTIVES:Cosmeceuticals, chemical peels and collagen injections are used to rejuvenate skin, but none of these methods is effective or permanent. Recently, laser resurfacing has been found to be effective, but the incidence of side effects is relatively high. Two years ago, the non-ablative wrinkle red...

journal_title：Lasers in surgery and medicine

authors： Omi T,Kawana S,Sato S,Honda M

更新日期：2003-01-01 00:00:00

abstract：BACKGROUND AND OBJECTIVE:Intravascular ultrasound (IVUS) has been used successfully to detect intravascular lesions. This study evaluates the ability of IVUS to detect acoustic damage to the arterial wall following high power, pulsed laser ablation. STUDY DESIGN/MATERIALS AND METHODS:Arterial ablation and disruption w...

journal_title：Lasers in surgery and medicine

authors： Friedl SE,Mathews ED,Miyamoto A,Abela GS

更新日期：1995-01-01 00:00:00

abstract：BACKGROUND AND OBJECTIVE:Lasers have a favorable synergistic effect when combined with other modalities of treatment against keloids. Different types of lasers have been used with triamcinolone infiltration, resulting in promising success rates. The purpose of this study is to describe our first experience treating ear...

journal_title：Lasers in surgery and medicine

authors： Fuenmayor P,Quiñonez H,Salas R,Pujadas Z

更新日期：2020-08-22 00:00:00

abstract：BACKGROUND AND OBJECTIVES:Optical microangiography (OMAG) is a noninvasive technique capable of imaging 3D microvasculature. OMAG-based optical lymphangiography has been developed for 3D visualization of lymphatic vessels without the need for exogenous contrast agents. In this study, we utilize the optical lymphangiogr...

journal_title：Lasers in surgery and medicine

authors： Qin W,Baran U,Wang R

更新日期：2015-10-01 00:00:00

abstract：BACKGROUND AND OBJECTIVES:Holmium laser lithotripsy is the gold standard for intracorporeal fragmentation of urinary calculi. Usually, a visible beam is superimposed on the IR treatment laser as an aiming beam to guide the surgeon. In vitro tests showed that this aiming beam (532 nm, power <1 mW) excites strong fluores...

journal_title：Lasers in surgery and medicine

authors： Lange B,Jocham D,Brinkmann R,Cordes J

更新日期：2017-04-01 00:00:00

abstract：BACKGROUND AND OBJECTIVE:Phototherapy plus dynamic exercise can enhance physical performance and improve health. The aim of our study was to evaluate the effect of low-level laser therapy (LLLT) associated with high intensity resistance training (HIT) on cardiac autonomic and muscle metabolic responses in rats. STUDY ...

journal_title：Lasers in surgery and medicine

authors： Paolillo FR,Arena R,Dutra DB,de Cassia Marqueti Durigan R,de Araujo HS,de Souza HC,Parizotto NA,Cipriano G Jr,Chiappa G,Borghi-Silva A

更新日期：2014-12-01 00:00:00

abstract：BACKGROUND AND OBJECTIVES:Cryogen spray cooling (CSC) has become an integral part of dermatologic laser surgery because of its ability to remove selectively large amounts of heat from human skin in short periods of time, thereby protecting the epidermis from unintended thermal injury. The objective of the present study...

journal_title：Lasers in surgery and medicine

authors： Franco W,Liu J,Romero-Méndez R,Jia W,Nelson JS,Aguilar G

更新日期：2007-06-01 00:00:00