Skin Conditions

Basal Cell Carcinoma (Photos)

Monday, March 1st, 2010

Dr Christophe Hsu – dermatologist. Geneva, Switzerland Contributors: Dr Christophe HSU – dermatologist. Geneva, Switzerland Deutsch Español Italiano Português 日本語 русский язык Tagalog

Common moles present at birth…and acquired (melanocytic naevus) and prevention of melanoma

Monday, February 1st, 2010

Congenital Melanocytic Nevus (Naevus)(CMN) These are melanocytic naevi (nevi) (“moles”) which are present at birth. The melanocytic naevi vary greatly in size but can exceed 20cm of diameter. They are generally located on the trunk. They can develop into cancers (melanoma). Therefore, they should be excised if it is possible, although for esthetic reasons, it […]

Actinic keratosis

Monday, February 1st, 2010

Actinic keratosis Dr Christophe HSU – dermatologist. Geneva, Switzerland These lesions are seen on the sun-exposed skin especially on the face, upper chest, back and forearms. When they are located on the lips, they are called actinic cheilitis. They appear as scaly reddish or brown patches on the skin. Numerous lesions may occur at the […]

Squamous Cell Carcinoma (SCC)

Monday, February 1st, 2010

This presents as a firm irregular fleshy growth usually on sun exposed skin. The growth can increase rapidly in size giving rise to a large lump which may sometimes break down to form an ulcer. If untreated, the cancer may spread to the surrounding lymph glands. SCC usually appears in elderly patients. Chronic sun exposure […]

Malignant Melanoma

Monday, February 1st, 2010

This is a cancer of the pigment cells of the skin. It is a highly malignant skin cancer. It presents as dark brown or black skin growth or ulcer. It may look like ordinary moles. But unlike the common mole: it grows rapidly its surface has several shades of red, black or blue colours its […]

Basal Cell Carcinoma (BCC)

Monday, February 1st, 2010

This is a slow growing painless skin cancer. The cancer often presents as an indolent ulcer with a shiny or translucent raised margin. The ulcer is often pigmented. This cancer commonly appears on the face.

Seborrhoeic Dermatitis (Seborrheic Dermatitis)

Monday, February 1st, 2010

The cause of seborrhoeic dermatitis is unknown. A yeast called Malassezia which is present in the normal skin flora could be implicated. There are two types of seborrhoeic dermatitis: (i) infantile seborrhoeic dermatitis  – commonly seen in newborns and babies (ii) adult seborrhoeic dermatitis – commonly seen in middle-aged adults. Seborrhoeic dermatitis presents with yellowish, […]

Portwine Stain

Monday, February 1st, 2010

There is another vascular birthmark. They present as flat red patches on the eyelids and the skin of the cheek at birth. Unlike strawberry naevus, portwine stains never disappear spontaneously as the child grows older: The vascular birthmarks increase in thickness and small blebs of blood vessels may be seen. Agsin, these growths do not […]

Strawberry Naevus

Monday, February 1st, 2010

These are vascular birthmarks. It can appear as a large red soft growth on any part of the body. The growth will continue to enlarge and grow as the baby grows old but the growth will slowly regress spontaneously when the child is 3-4 years old: If the vascular growths are small, they can be […]

Vitiligo

Sunday, November 29th, 2009

Dr Christophe Hsu – dermatologist. Geneva, Switzerland What is vitiligo ? Vitiligo is a skin disorder which presents as white spots and patches on the skin. This is due to a progressive loss of the pigment, melanin, which gives us our skin colour. The loss of pigment occurs when pigment cells (melanocytes) are destroyed and […]

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