– benign tumours – these are non-cancerous lesions. Some benign lesions can develop into cancer, so it is advisable to remove them as a preventative measure. Other benign lesions need to be removed because they are inconvenient or unsightly: they might rub, irritate or look unpleasant. There a different benign tumours:
– Melanin tumours: made up of the cells that produce skin pigmentation (melanin) : age spots (lentigos), moles (naevi).
– Tumours of the epidermis: seborrheic warts, actinic keratosis (small brown or red marks where the skin is exposed to the sun), tumours linked to viruses (warts, condyloma, molluscum contagiosum)
– Adnexal tumours – formed at the expense of hairs, sebaceous cysts, fatty granules, trichilemmal cysts or pillar cysts.
– Tumours of the connective tissue – formed from connective tissue, vessels, nerves, fat or muscle (fibroids, angiomas, lipomas, xathelasmas..)