Dr Christophe HSU – dermatologist. Geneva, Switzerland How is it acquired ? It is usually spread from pets or other children. Black children for unknown reasons are the most likely to be infected. What are the features of Tinea Capitis ? There is patchy loss of hair and pain. The affected area may be red…
What are solar lentigines? Solar lentigines are brown spots 1 cm or greater in diameter, occurring usually on the face and back of the hands. Solar lentigines are evidence of excessive sunlight exposure. They are found in individuals over 40 years of age, especially if they have a long history of working outdoors. How are…
Dr Christophe HSU – dermatologist. Geneva, Switzerland The skin often reflects internal processes. Some skin lesions are linked to cancers and may serve as “signposts” indicating the presence of a less visible internal cancer. Awareness of such skin changes may thus result in earlier diagnosis and treatment of cancers. These skin lesions associated with cancers…
Dr Christophe HSU – dermatologist. Geneva, Switzerland What are the common skin problems occurring in the elderly? Appearance and Texture Changes The skin is constantly renewing itself. New cells are formed on the lower layer of skin which slowly move upward. By the time they reach the surface of the skin, these cells are dead…
Alopecia Areata What is alopecia areata? Alopecia areata is a common skin disorder seen in children and young adults. It is characterized by hair loss in localized round areas on the scalp, the beard area and occasionally on the eyebrows . A positive family history for alopecia areata is found in 10% to 20% of…
Dr Christophe Hsu – dermatologist. Geneva, Switzerland Atopic Dermatitis 1. What is Atopic Dermatitis? Atopic dermatitis or eczema is an itchy, dry, inflammation of the skin. It is the commonest type of skin disease in children. It is not an infectious disease. The child with atopic dermatitis has sensitive skin which is irritated easily. 2.…
Dr Christophe Hsu – dermatologist. Geneva, Switzerland Fordyce Glands These are very common skin lesions found in normal individuals. White spots are seen on the inner walls of the buccal cheeks and along the lips. They are aberrant oil glands (sebaceous) and are harmless. There is no specific treatment. Fissured Tongue A Fissured tongue has…
Dr Christophe Hsu – dermatologist. Geneva, Switzerland Irritant Contact Dermatitis This is the commonest skin disorder that can arise from the use of cosmetics. The most frequent presenting complaint is facial itch and rash. A. Types of cosmetics causing irritant contact dermatitis include: Cleansers: Facial cleansers which often contain surfactants that are necessary to facilitate…
Infections on the Scalp Dr Christophe Hsu – dermatologist. Geneva, Switzerland Fungal Infection (Ringworm, Tinea Capitis) Ringworm infection of the scalp is caused by a fungal infection. Ringworm infection of the scalp is more common in children than in adults. Fungal infection of the scalp presents in a variety of ways, depending on its severity…
