نتایج جستجو برای: burn scar
تعداد نتایج: 33919 فیلتر نتایج به سال:
Introduction. Development of malignancy in chronic burn scars is described i n 2 % cases, with cutaneous squamous cell carcinoma (cSCC) being the most frequent. It develops several years after injury, as a consequence malignant transformation chronically in-flamed tissue. Melanoma scar is, however, quite rare; synchronous or metachronous appearance melanoma and cSCC was noted. Based on previous...
In fire-prone ecosystems, periodic fires are vital for ecosystem functioning. Fire managers seek to promote the optimal fire regime by managing fire season and frequency requiring detailed information on the extent and date of previous burns. This paper investigates a Normalised Difference α-Angle (NDαI) approach to burn-scar mapping using C-band data. Polarimetric decompositions are used to de...
BACKGROUND Despite numerous case reports, epidemiologic evidence regarding true rate of skin cancer in scars of any etiology is sparse. METHODS Systematic literature review of all published epidemiologic studies on skin cancer in scar tissue from surgery, ulcers, or burns using citation databases and manual review. RESULTS There were no epidemiologic data to quantify risk of skin cancer in ...
Remote sensing using Landsat Thematic Mapper (TM) satellite imagery is increasingly used for mapping wildland fire burned area and burn severity, owing to its frequency of collection, relatively high resolution, and availability free of charge. However, rapid response of vegetation following fire and frequent cloud cover pose challenges to this approach in the southeastern US. We assessed these...
BACKGROUND Scarring is a major source of morbidity in patients with burns. Burn scars are difficult to treat and are among the worst scars seen in clinical medicine. Fractional laser resurfacing is a promising treatment option because of its unique wound healing response and depth of penetration. OBJECTIVE To evaluate the efficacy of nonablative fractional resurfacing as a therapeutic option ...
BACKGROUND Early accurate assessment of burn depth is important to determine the optimal treatment of burns. The method most used to determine burn depth is clinical assessment, which is the least expensive, but not the most accurate.Laser Doppler imaging (LDI) is a technique with which a more accurate (>95%) estimate of burn depth can be made by measuring the dermal perfusion. The actual effec...
BACKGROUND The shortage of autologous skin sources not only adds difficulty to the repair of extremely large-area deep burn wounds but affects the healing quality. The aim of the present study is to explore an ideal method for repairing large-areas burn wounds with low scar formation. METHODS Between 2002 and 2014, we used grafting of small auto- and cryopreserved allo-skin to repair large-ar...
BACKGROUND The standard of care for full-thickness burns is tangential excision followed by skin autografting; however, the timing of excision and grafting is subject to debate. The authors compared early (2 days) versus delayed (14 days) excision and grafting in a porcine full-thickness burn model. METHODS Full-thickness burns (n = 12) were created on the backs of two anesthetized pigs and a...
Burns of the front of the chest and abdomen and sometimes the front of the neck and axilla, mostly caused by flame in domestic accidents, are very common in Egypt. If deep, these burns can produce breast deformity in females either in childhood or in adolescence. This work considers 74 female breasts in 55 patients who had post-burn breast deformities due to accidents in childhood or early adul...
Hypertrophic scar (HSc) contraction following burn injury causes contractures. Contractures are painful and disfiguring. Current therapies are marginally effective. To study pathogenesis and develop new therapies, a murine model is needed. We have created a validated immune-competent murine HSc model. A third-degree burn was created on dorsum of C57BL/6 mice. Three days postburn, tissue was exc...
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