-Smoking is a major problem and particularly in young people. In the past years, increased smoking has been observed in young women. -It would be responsible for at least a quarter of all deaths, because of cardiovascular diseases and lung cancer. On the skin, smoking is responsible for the following changes: Premature Aging: the skin…
Neurofibromatosis: Neurofibromas What is Neurofibromatosis ? It is part of the phacomatoses and different forms exist. It is inherited in an autosomal dominant fashion. What are the types of neurofibromatosis and what do they look like ? Neurofibromatosis type 1 (NF1) is called Von Recklinghausen’s Disease: It is most frequently associated with cutaneous alterations. It…
Dr Christophe Hsu – dermatologist. Geneva, Switzerland What is Darier’s disease (keratosis follicularis) ? Also called Darier-White Disease. Is one of the most common genodermatosis and affects one person out of 30000. It is inherited in an autosomal dominant pattern. What is it caused by ? The mutated gene codes for a calcium channel regulator.…
What is chicken pox ? It is an infectious condition caused by a virus called Varicella Zoster Virus (VZV). It typically affects children. Does it always present ? Once infected, lesions present only after two to three weeks (incubation period). In 30% of cases, there is no obvious manifestation (subclinical). How does it look like…
What is tuberous sclerosis ? TSC is also called Bourneville-Pringle disease, Epiloia. It affects is of 1 individual out of 15000. It is an inherited (genodermatosis) neurocutaneous disorder with systemic and neurological manifestations (phacomatosis). It what way is it inherited ? It is inherited in an autosomal dominant pattern. However this is not absolute as…
Ichthyosis Vulgaris: close-up What is ichthyosis vulgaris ? It is an inherited condition (Autosomal dominant pattern) It affects one in 250 people. What does it look like ? It causes dry scaly plaques. The lesions are usually more prominent on the limbs (arms and legs). The plaques usually start to appear a few months after…
Dr Christophe HSU – dermatologist. Geneva, Switzerland What is dermatofibroma ? It is a benign condition It typically appears in females 9 times more often than in males. It is also known as superficial benign fibrous histiocytoma. What is it caused by ? The exact cause of its development is unknown. There was an inital…
What is obesity ? Obesity is a public health problem in the industrialized world. It is defined by a BMI (Body Mass Index) of more than 30 Kg/m2. In the United States, it is estimated that 30% of individuals are overweight or obese (BMI more than 25) What medical conditions can we find when obesity…
What is obesity ? Obesity is a public health problem in the industrialized world. It is defined by a BMI (Body Mass Index) of more than 30 Kg/m2. In the United States, it is estimated that 30% of individuals are overweight or obese (BMI more than 25) What medical conditions can we find when obesity…
Subcutaneous Fat necrosis of the newborn What is Subcutaneous Fat necrosis of the newborn ? It is a lobular panniculitis. It is associated with complications during labor (labour) It presents as asymptomatic indurated subcutaneous dark-red nodules which are typically located in bone proeminant areas (upper back, proximal limbs, cheeks…) When does it occur ? It…
