
Common causes:
* The site for development of moles is often inherited.
* It comes from unknown causes, an accumulation of pigment cells in one place.
* Often in an increased incidence of pregnancy or in women taking the contraceptive pill.
* Even the sun can lead to increased pigmentation (such as freckles, age spots).
What can you do.
* Avoid irritation, do not scratch! As a result, moles and other pigmented lesions for malignant growth can be stimulated.
* Use sunscreen or avoid the sun.
* Keep an eye on whether changing moles and other pigmented lesions and to reemerge.
* Flat, smooth dark spots that are in the skin level, can be covered with cosmetics, otherwise such irritation should also be avoided, if in doubt ask the dermatologist.
* If you have many moles and other spots and / or skin cancer in your family has occurred, should go to regular health checks.
When you need a doctor.
* If the spots change suddenly, that enlarge, become darker, assume irregular shapes, inflamed and bleed, itch or hurt.
* If you notice new spots.
* For irregular ("atypical") spots.
* If you spot a "suspicious" in them.
* If moles or other pigmented lesions are sitting in places where they are constantly confused: eg by frictional wear in the belt or on the soles when walking.
* If moles or other pigmented lesions are sitting at the "hidden" places, eg in the genital area, where potential changes are not easily observed.
* If moles cosmetically disturbing.
What your doctor can do.
* Patches examined carefully and decide whether a stain must be removed (should be).
* Operating remove the stains.
* Examination of the removed tissue for skin cancer (always performed).
* If you have many moles, irregular in particular, have, your doctor will advise you on how to maintain and monitor your skin and at what intervals screening is important.


