Archive for July, 2011

Moles, also referred to as melanocytic nevi, are small skin lesions which are usually brown in colour. Moles consist of a collection of cells named melanocytes, which are the cells responsible for producing the pigment of the skin. Although moles are usually brown in colour, some may be darker or skin coloured. Moles are usually oval with a smooth edge but they can be either flat or raised, rough or smooth, and sometimes have excessive hair growing from them. Over time, moles can change in both number and appearance. Some moles may even fall off or simply fade away without any notice. A number of moles may respond to a range of hormonal changes, such as pregnancy, old age, and when a person enters their teenage years.

There are a few different type of moles, these include:

Dermal melanocytic naevi, which are light- or skin-coloured, they’re usually raised, and sometimes hairy.

Junctional melanocytic naevi, which are usually brown, round, and have a flat surface.

Compound melanocytic naevi, these moles are usually raised above the skin, light brown of coloured and may sometimes be hairy.

Halo naevi, this term refers to moles which are surrounded by a white ring where the skin has lost its colour. The skin may regain its colour when the mole at the centre of the halo starts fading away.

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