benign tumours

Question 1

appearance strawberry naevus

Answer 1

capillary haemangioma - red, raised, multilobular tumour

Question 2

when do strawberry naevus appear and how long do they last

Answer 2

1st month –> growth for 6-9 months –> regress over a few years

Question 3

where do strawberry naevi appear

Answer 3

face, scalp, neck

Question 4

RF strawberry naevi

Answer 4

white, females, premature, maternal CVS

Question 5

complications strawberry naevi

Answer 5

obstruction of visual field or airway // bleeding // ulcer // thrombocytopaenia

Question 6

mx strawberry haemangioma

Answer 6

propranolol, oral steroid, (topical BB eg timolol)

Question 7

what are cherry haemangiomas

Answer 7

benign skin lesions - abnormal proliferation of capillaries

Question 8

feature cherry haemangiomas

Answer 8

red, papular, 1-3mm, non-blanching

Question 9

what are milia

Answer 9

keratin filled cysts around face and eyes

Question 10

who commonly gets milia

Answer 10

newborns

Question 11

what are dermatofibromas

Answer 11

benign fibrous lesions - growth of dermal dentritic cells

Question 12

when and where do dermatofibromas usually occur

Answer 12

after injury, arms and legs

Question 13

features dermatofibroma

Answer 13

solitary papule or nodule // 5- 10mm // skin dimples when pinched

Question 14

what is a keratoacanthoma

Answer 14

benign epithelial tumour

Question 15

features keratoacanthoma

Answer 15

elderly // volcano (smooth dome) –> crater filled with keratin // results in a scar

Question 16

mx keratoacanthoma

Answer 16

urgent excision as look like SCC

Question 17

where do lipomas generally develop (layer of skin)

Answer 17

usually subcut, can be deep adipose

Question 18

features lipoma

Answer 18

smooth, mobile, painless

Question 19

mx lipoma

Answer 19

observa

Question 20

liposarcoma features

Answer 20

> 5cm, increasing in size, pain, deep in skin

Question 21

presentation seborrhaeic keratosis

Answer 21

(basal cell papilloma) - stuck on coco-pop

Question 22

mx seb kerratosis

Answer 22

leave alone or shave excision

Question 23

what is congenital melanocytic naevi and malignancy risk

Answer 23

appear just after birth // >1cm // increased risk of malignancy

Question 24

what are junctional melanocytic naevi

Answer 24

circular macules on palms, soles, and mucous membranes

Question 25

what are compound naevi

Answer 25

arrise from junctional naevi, domes, smooth and uniform colour

Question 26

what are spitz naevus

Answer 26

develop in children // pink or red on face or leg // fast growing –> excise

Question 27

ibheritance atypical naevus syndrome

Answer 27

dominant // CDKN2A