Benign Tumours of the Skin Flashcards

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1
Q

Seborrhoeic Keratoses

A
aka Senile warts
Found in middle-aged and elderly people 
Asymptomatic
Often multiple 
Common on face and trunk 
Warty greasy papules, well-define borders, colour varies, 'stuck on' appearance
Usually no treatment
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2
Q

Leser-trelat

A

Sudden eruption of multiple seborrhoeic keratoses, sign of underlying internal malignancy

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3
Q

Lipoma

A
Very common 
Middle-aged people 
Solitary more in women
Multiple in men
Asymptomatic
Caused by adipose tissue proliferation
Slow growing (years), soft, smooth, mobile, subcutaneous nodule, 2-10 cm diameter
Usually no treatment
Complication = liposarcoma
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4
Q

Epidermoid Cysts

A

aka follicular infundibular cyst , keratin cyst
Usually occur in adults M:F 2:1
Solitary or multiple
Common sites are the face, neck and trunk
Asymptomatic
Caused by epidermal cell proliferation
Skin-coloured/yellow, firm, round nodules, may have a central punctum and offensive smelling keratinous contents
Usually no treatment

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5
Q

Dermatofibromas

A

aka histocytomas
Affects all ages F>M
Common on legs, after an insect bite, eruptions of dermatofibromas can occur in immunosuppressed people
Itchy or painful
Caused by fibroblast proliferation
Firm, fibrous, dermal nodules or papules, usually <1cm diameter, skin dimples upon compression
Usually no treatment

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6
Q

Campbell de Morgan Spots

A
aka cherry angiomas 
Number of spots increases with age 
Common on midtrunk 
Caused by endothelial cell proliferation and subsequent blood vessel overgroth
Red, purple, black papules or macules
Usually no treatment
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7
Q

Fibroepithelial Polyps

A
aka skin tags
Common 
Develop with age
Common on skin fold e.g. armpits
Usually skin coloured
Can be removed
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