DERM: Benign tumours of the skin

Question 1

what is Seborrhoeic Keratoses?

Answer 1

also known as seborrhoeic warts, and as basal cell papillomas. They are benign growths due to a build-up of skin cells. SK are very common, harmless, often pigmented, growths on the skin.

• usually no treatment required

Question 2

what is lipoma?

Answer 2

A lipoma is a benign tumor made of fat tissue. They are generally soft to the touch, movable, and painless. They usually occur just under the skin.

• asymptomatic
• no treatment required
• complication = liposarcoma (rare)

Question 3

what is an epidermoid cyst?

Answer 3

a benign cyst usually found on the skin. The cyst develops out of ectodermal tissue. Histologically, it is made of a thin layer of squamous epithelium.

• Usually occur in adults, M:F 2:1
• asymptomatic
• no treatment required

Question 4

what is an Dermatofibromas?

Answer 4

Dermatofibromas are small, harmless growths that appear on the skin. These growths, called nodules, can grow anywhere on the body, but are most common on the arms, lower legs, and upper back.

• asymptomatic
• no treatment required

Question 5

what are Campbell de Morgan Spots?

Answer 5

Cherry angiomas, also known as Campbell De Morgan spots or senile angiomas, are cherry red papules on the skin. They are a harmless benign tumor, containing an abnormal proliferation of blood vessels, and have no relationship to cancer.

• Usually no treatment required (may be removed for cosmetic reasons)

Question 6

what are Fibroepithelial Polyps?

Answer 6

• Aka skin tags
• Common
• Develop with age
• Commonly found in skin folds (e.g. armpits)
• May be removed for cosmetic reasons