نتایج جستجو برای: melanocytic skin cancer
تعداد نتایج: 1085050 فیلتر نتایج به سال:
OBJECTIVE To determine the time required to perform a complete skin examination (CSE) as a means of opportunistic screening for skin cancer both without and with dermoscopy. DESIGN Randomized, prospective multicenter study. SETTING Eight referral pigmented lesion clinics. Patients From June 2006 to January 2007, 1359 patients with at least 1 melanocytic or nonmelanocytic skin lesion were ra...
Recurring nevus or pseudomelanoma is a benign melanocytic lesion that appears in the same location after an incomplete surgical removal of nevi. These pigmented melanocytic lesions can in some cases be a diagnostic challenge when examined through dermoscopy, especially if there is a clinical history of growth or recurrence of the lesion, as happens with the recurrent nevus phenomenon. Confocal ...
background & objective: chronic non healing ulcers or scar undergoing malignant transformation is a rare phenomenon with an estimated incidence of 2%. though, numerous predisposing factors have been identified, still it is rarely diagnosed and commonly mistaken for a benign condition. the objective of this study was to verify the efficacy of the fine needle aspiration cytology/ scrape cytol...
Introduction Detecting and accurately diagnosing early melanocytic lesions is challenging due to extensive intra- inter-observer variabilities. Dermoscopy images are widely used identify study skin cancer, but the blurred boundaries between besieging tissues can lead incorrect identification. Artificial Intelligence (AI) models, including vision transformers, have been proposed as a solution, v...
More and more genetic metabolic abnormalities are now known to cause cancer, which is typically fatal. Any particular body part may become infected by cancerous cells, can be One of the most prevalent types cancer skin spreading worldwide.The primary subtypes squamous basal cell carcinomas, as well melanoma, clinically aggressive accounts for majority fatalities. Screening so crucial.Deep Learn...
Changes in the pattern of sun exposure and sun protection in young children from tropical Australia.
BACKGROUND Australia has one of the highest rates of skin cancer globally. Lifetime risk is associated with childhood sun exposure. OBJECTIVE We sought to investigate whether skin cancer prevention programs have resulted in improvements in sun-exposure and sun-protection behavior among young children in tropical Australia. METHODS Two cohorts of 12-to 35-month-old children from Townsville, ...
Benign pigmented skin lesions are very common in children and can be generally classified into congenital or acquired nevi. Congenital nevi can be small, medium or large. Large nevi are usually associated with a higher risk of malignant transformation into melanoma. Acquired melanocytic nevi can be classified into typical melanocytic nevi, clonal nevi, or halo nevi. Cytological atypia can be ob...
Cutaneous melanocytic lesions with atypical histological features can be difficult to categorize as benign or malignant. In the diagnosis of melanocytic lesions, the melanocytic tumor of uncertain malignant potential (MELTUMP) category has been widely used. Although one may favor a benign or malignant interpretation, a definitive diagnosis is not always possible, and long term clinical follow-u...
Discrimination of benign and malignant melanocytic lesions is a major issue in clinical dermatology. Assessment of the thickness of melanoma is critical for prognosis and treatment selection. We aimed to evaluate a novel optical computed tomography (optical-CT) system as a tool for three-dimensional (3-D) imaging of melanocytic lesions and its ability to discriminate benign from malignant melan...
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