benign tumours Flashcards
appearance strawberry naevus
capillary haemangioma - red, raised, multilobular tumour
when do strawberry naevus appear and how long do they last
1st month –> growth for 6-9 months –> regress over a few years
where do strawberry naevi appear
face, scalp, neck
RF strawberry naevi
white, females, premature, maternal CVS
complications strawberry naevi
obstruction of visual field or airway // bleeding // ulcer // thrombocytopaenia
mx strawberry haemangioma
propranolol, oral steroid, (topical BB eg timolol)
what are cherry haemangiomas
benign skin lesions - abnormal proliferation of capillaries
feature cherry haemangiomas
red, papular, 1-3mm, non-blanching
what are milia
keratin filled cysts around face and eyes
who commonly gets milia
newborns
what are dermatofibromas
benign fibrous lesions - growth of dermal dentritic cells
when and where do dermatofibromas usually occur
after injury, arms and legs
features dermatofibroma
solitary papule or nodule // 5- 10mm // skin dimples when pinched
what is a keratoacanthoma
benign epithelial tumour
features keratoacanthoma
elderly // volcano (smooth dome) –> crater filled with keratin // results in a scar
mx keratoacanthoma
urgent excision as look like SCC
where do lipomas generally develop (layer of skin)
usually subcut, can be deep adipose
features lipoma
smooth, mobile, painless
mx lipoma
observa
liposarcoma features
> 5cm, increasing in size, pain, deep in skin
presentation seborrhaeic keratosis
(basal cell papilloma) - stuck on coco-pop
mx seb kerratosis
leave alone or shave excision
what is congenital melanocytic naevi and malignancy risk
appear just after birth // >1cm // increased risk of malignancy
what are junctional melanocytic naevi
circular macules on palms, soles, and mucous membranes
what are compound naevi
arrise from junctional naevi, domes, smooth and uniform colour
what are spitz naevus
develop in children // pink or red on face or leg // fast growing –> excise
ibheritance atypical naevus syndrome
dominant // CDKN2A
