Skin Conditions
Skin Conditions – Table of Contents
Tuesday, March 5th, 2013Acne vulgaris (pimples) (common acne) Actinic keratosis Contact allergy (Allergic contact dermatitis) Alopecia Areata Eczema and Atopic dermatitis Basal Cell Carcinoma (BCC) Photos Skin Signs of Internal Cancers Skin cancers Chicken Pox Skin Disorders in Young Children Chloasma (Melasma, Pregnancy Mask) Skin disorders induced by cosmetic products Darier’s Disease (Keratosis Follicularis) Dermatofibroma Diaper Candidiasis Skin [...]
Smoking and the Skin
Monday, March 4th, 2013-Smoking is a major problem and particularly in young peaple. In the past years, increased smoking has been observed in young women. -It would be responsible for at least a quarter of all death, because of cardiovascular diseases and lung cancer. On the skin, smoking is responsible for the following changes: Premature Aging: the skin [...]
Neurofibromatosis
Sunday, March 3rd, 2013Neurofibromatosis: 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 [...]
Darier’s Disease (Keratosis Follicularis)
Wednesday, February 27th, 2013Dr 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. [...]
Chicken pox
Wednesday, February 27th, 2013What 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 [...]
Tuberous Sclerosis (TSC)
Tuesday, February 26th, 2013What 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
Saturday, January 26th, 2013Ichthyosis 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 [...]
Dermatofibroma
Tuesday, November 6th, 2012Dr 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 [...]
Skin Manifestations related to Obesity
Saturday, November 3rd, 2012What 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
Saturday, September 29th, 2012Subcutaneous 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 [...]
