What is Acne? What Causes Acne? How to Get Rid of Acne

Acne is not dangerous, but can leave skin scars. Human skin has pores (tiny holes) which connect to oil glands located under the skin. The glands are connected to the pores via follicles - small canals. These glands produce Sebum, an oily liquid. The sebum carries dead skin cells through the follicles to the surface of the skin. A small hair grows through the follicle out of the skin. Pimples grow when these follicles get blocked, resulting in an accumulation of oil under the skin.

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Malignant Melanoma

Practice Essentials

Malignant melanoma is a neoplasm of melanocytes or a neoplasm of the cells that develop from melanocytes. Although it was once considered uncommon, the annual incidence has increased dramatically over the past few decades. Surgery is the definitive treatment for early-stage melanoma, with medical management generally reserved for adjuvant treatment of advanced melanoma.

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Vitiligo From Wikipedia, the free encyclopedia

Vitiligo /ˌvɪtɨˈlaɪɡoʊ/ is a condition that causes depigmentation of parts of the skin. It occurs when melanocytes, the cells responsible for skin pigmentation, die or are unable to function. The cause of vitiligo is unknown, but research suggests that it may arise from autoimmune, genetic, oxidative stress, neural, or viral causes.[1] The incidence worldwide is less than 1%.[2] The most common form is non-segmental vitiligo, which tends to appear in symmetric patches, sometimes over large areas of the body.

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