Notes de congrès/conférences
Treating Viral Warts with Tuberculosis-derived Proteins ?
samedi, octobre 11th, 2014In this Indian study, protein samples of Mycobacterium Tuberculosis (similar to the one used in the Mantoux screening test) were used: PPD – purified derivative of M.Tuberculosis 10IU PPD 0,1ml indication: facial and palmoplantar warts or more than 15 (no mention of genital warts) 2.5 IU (or TU: Tuberculin Units) on left forearm 2.5 IU […]
Facebook and Twitter in Dermatology
samedi, octobre 11th, 2014Facts about facebook Most visited website in the world with 1.3 billion users 72 % visit the website at least once a month 829million daily users Duration of each visit lasts on average 21 minutes Facts about Twitter 1 billion users 550 million accounts BUT 44% never tweeted 271million monthly users average time per month […]
Mobile « apps » in Dermatology
samedi, octobre 11th, 2014What « apps » are available and do they work ? At the time of this presentation about 1 million apps are available app store 50 billion downloads 17000 apps are health-related – evidence about their reliability is mostly lacking. They are projected to generate $26 billion revenue in 2017 In 33% physicians are NOT involved in […]
Treatment of Childhood Acne
vendredi, octobre 10th, 2014Incidence of Acne in the first 20 years of life: -3% of affected individuals are neonates -6% in childhood (pre-adolescents) -91% in teenagers (adolescents…predictably) Thorough examination must be done in children to rule out differential diagnosis: -keratosis pilaris -miliara -perorificial dermatatis -pomade acne (cosmetic use) -flat warts -molluscum contagiosum Scarring is a complication […]
Vitiligo and Atherosclerosis
samedi, septembre 6th, 2014Vitiligo is suggested in a study by the same authors (HERE) to be associated with metabolic syndrome. High blood sugar and hypertension are risk factors and this study suggests that atherosclerosis could also be associated with vitiligo. Moreover, insulin resistance and increased homocysteine levels have already been described. Atherogenesis in its initial stages involves oxidative […]
Vitiligo and Metabolic syndrome
samedi, septembre 6th, 2014Vitiligo affects 1% of the world population and is a psychologically devastating disease especially when visible areas are affected, such as the face. Psoriasis is associated with the so-called named “metabolic syndrome” (MS): abdominal (central) obesity, elevated blood pressure, elevated fasting plasma glucose, high serum triglycerides, and low high-density cholesterol (HDL) levels) Metabolic syndrome is […]
Skin Evolutionary Theories in Early Mankind (Applied Darwinian principles) and the importance of MC1R
vendredi, septembre 5th, 2014Characteristics of the skin in the direct predecessor of mankind (homo (neandertalis…)): functional hairlessness increased density of eccrine glands persistence of hair follicular units 1 million years ago, the predecessors of mankind, the skin (in addition to becoming hairless became) darkly pigmented and MC1R became invariant It was been shown that in that skin; High […]
Vitiligo evolving badly: the « Confetti-like macule sign »
vendredi, septembre 5th, 2014The evolution of vitiligo is difficult to predict and follicular regimentation is a sign of positive evolution ov vitiligo often, when undergoing treatment. Conversely there is apparently a sign of unfavorable of evolution: confetti-like marks These are small irregular (confetti shaped) macules on the periphery of preexisting vitiligo lesions in patients with extensive vitiligo vulgaris […]
Getting White Hair Early: Risk Factors
vendredi, septembre 5th, 2014Premature Hair Greying (PMG) is a source of low self esteem. In this study from South Korea the authors sought to investigate risk factors for early white hair. In this cross-sectional study, questionnaires were given to men under the age of 30 This involved a total of 6390 males, after a pilot-study enrolling 1069 subjects […]
The role of melanocytes in skin pigmentation and how they are regulated
samedi, août 23rd, 2014In mammals, the melanocyte and melanin are responsible hair color and protection of the skin from ultraviolet light (UV). In their development, melanocytes initally derived from neural crest cells, migrate to the basal layer of the epidermis and hair follicles. The migration and proliferation of these cells and the synthesis of melanin is a regulated […]