الفهرس 
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Abstract
Obesity is known to be directly related to increased risk of many diseases. However the effect of obesity on skin has received minimal attention, although the profound impact of obesity on clinical dermatology.
Obesity is associated with a number of dermatoses. It affects cutaneous sensation, temperature regulation, foot shape, and vasculature. Obesity increases the incidence of cutaneous infections that include: candidiasis, Intertrigo, furunculous, Erythrasma, tineacruris, and folliculitis. Less common infections include cellulites, necrotizing fasciitis, and gas gangrene. Leg ulcerations, lymphodema, plantar hyperkeratosis, and Striae are more common with obesity. Hormonal abnormalities and genetic syndromes (Prader-Willi) are related to obesity and its dermatoses.
Thus, The present study was designed to recognize and identify the common skin disorders among obese and overweight individuals for early detection and management. This study is a case-control study included 124 overweight & obese individuals and other 124 normal weight individuals as a control group. Patients age ranged from 12 to 70 years. It was carried out in Dermatology Clinic of Suez Canal University Hospital at Ismailia city. All included subjects weresubmitted to full history taking, dermatological examination and Anthropometric measures which include BMI, Waist circumference and body fat .Fasting blood sugars and lipid profile was done to exclude diabetes and dyslipidemia respectively. Control group (Normal weight individuals) has(BMI 18.5–24.9 kg/m2), studied group (obese subjects) have BMI ≥ 30 whichwere further divided into three classes of obesity: class I (BMI 30–34.9 kg⁄m2), class II (BMI 35–39.9 kg ⁄m2) and class III (BMI > 40 kg ⁄m2) (Gray and Fujioka ,1991).The strength of the association was Fisher’s exact test for the statistical differences of the categoric variables. Analyses were performed Program was used Statistical Package for the Social Sciences (SPSS).All included subjects were submitted to full history taking, dermatological examination and Anthropometric measures which include BMI, Waist circumference , body fat percentage,fasting blood sugars and serum lipid profile were done to exclude diabetes and dyslipidemia in our patients.
The results from this study showed that obesity is associated with a large number of dermatological diseases. This relationship remained statistically significant even when we excluded the diabetes, dyslipidemic , hepatic and renal and cardiacdiseased patients, thus showing that obesity itself is related to skin disorders. The common skin findings associated with obesity are planter hyperkeratosis (72.58%), striae distensa (61.29%) , intertrigo (60.48%), varicose veins (30.65%), vaginal discharge(29.03%), interdigital candidiasis (20.97%), skin tag (19.35%) , acne (18.55%), onychomycosis(13.71%) , folliculitis (12.10%) and acanthosis nigricans (5.65%)represent the highest prevalence and there is a positive correlation of obesity with the increasing in BMI with plantar hyperkeratosis (p<0.01,r=0.393), striae(p<0.05, r=0.180),intertrigo (p<0.01 ,r=0.333), skin tags (p<0.05,r=0.202), vaginal discharge(p<0.01 , r=0.255) and folliculitis (p<0.01 , r=0.345).