Pityriasis Alba and vitiligo is a common skin disease now a day. It is also known as “Pityriasis streptogenes” or “Pityriasis simplex”. As the name indicated for this, “Pityriasis” is so named for “the fine scaly appearance” while “Alba” means “White”. In this disease, as a result of depigmentation as well as hypo pigmentation, dry, scaly and pale spots or lesions appear occasionally on the body parts, especially cheeks are the most common sites. In winter because of dry weather, these white spots are more frequently seen on the skin. The size of lesions may range from ½cm to 20cm. It is a non-cancerous disease. read more
Category Archives: Vitiligo
Pityriasis Alba and Vitiligo
August 28, 2010 – 10:15 am
Idiopathic Guttate Hypomelanosis and Vitiligo
August 26, 2010 – 12:44 pm
Idiopathic Guttate Hypomelanosis and vitiligo is a common skin disorder which isseen far more frequently in middle-aged and light skinned females than males. It is also known as “Leukopathia symmetrica progressiva”. It is a benign, harmless condition of depigmentation.
Just like other skin diseases, also in this disease white macules are formed. These macules are small in size ranging from 2 to 5mm, and may be flat, discrete, mild scaly, circular or oval in shape. These macules mostly occur on the body parts that are exposed to sunlight. Usually, they first appear on the front of legs below the knees and then on forearms but they also affect shoulders, chest and face and upper part of the back. read more
Nevus depigmentosus and Vitiligo
August 25, 2010 – 11:26 am
Nevus depigmentosus and vitiligo was first time introduced by Lesser in 1884. As the name indicated “Nevus is a Latin word which means “chronic lesions of skin” and “depigmentosus” means “loss of pigment”. So, it is a chronic skin disease which causes depigmentation. It is also known as Nevus achromicus. It is quite different from vitiligo. It attacks on skin in the form of white patches or lesions which are localized, benign, hypopigmented (may cause loss of skin color) and stable. Size of these patches grows with the growth of body.
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Diseases like Vitiligo
August 24, 2010 – 10:22 am
Vitiligo is a chronic disease which causes depigmentation of skin in the form of white patches. Vitiligo occurs when melanocytes that are responsible for skin pigmentation, die or unable to perform their function. Segmented vitiligo is a common form of vitiligo. Vitiligo has some confusion with other diseases like nevus depigmentosus, white scars and hypopigmentation, pityriases Alba, idiopathic guttate hypomelanosis and pigmentation.
Nevus depigmentosus is a stable disease which is limited to a small area. It appears in the form of white spots on body. It increases as the growth of body increases. read more
Albinism in Humans
August 5, 2010 – 10:58 am
Albinism is a Latin word derived from “Albus” means white. It is also knownas Achromia. It is a hereditary disease. In this disease melaninpigment, which is responsible for color of skin, eyes, and hair isabsent. It is a congenital disorder and most common in those societieswhere inter-marriages are arranged between close blood relatives. Although Albinos lead normal happy life but lack of melanin pigmentincreases the risk of skin cancer and other problems.
There are two types of enzymes in melanin pigment. i.e., tryosinase positive & tryosinase negative. read more
People With Vitiligo