Red things: Benign Vascular Skin Lesions Flashcards
Campbell de Morgan spots
What is it?
Where?
When?
Trigger?
Red papules formed by proliferating capillaries and venues
Limbs or trunk
Ageing
Pregnancy
Telangiectasia
What is it?
Appearance
In what can they be seen?
Chronically dilated superficial arterioles, capillaries or venules
Fine red lines on the skin, sometimes along larger dots
Hereditary
Cushing’s syndrome
Acne rosacea
Venous hypertension
Spider naevi
What is it?
What is different about these?
Where are they found?
In who can they be found in? - 3
Small telangiectasia with red dot
Dilated arteriole and radiating vessels
They are blanching on pressure
Found in distribution of SVC - face, arms, neck, upper trunk
Liver disease especially alcohol due to vasodilation from raised oestrogen/testosterone ratio
Pregnancy
Contraceptive pill
Angiokeratoma
Apprearance - SCAM
Pathophysiology
S - varies
C - red to blue/purple
A - scaly due to hyperkeratosis
M - Papule
Proliferating, dilating capillaries
