Skin, Hair, And Nails

Question 1

Spider angioma

Answer 1

. Red central body w/ radiating spider-like legs that blanch w/ pressure to central body
. Can be from liver disease, vit. B deficiency, idiopathic

Question 2

Venus star

Answer 2

. Bluish spider, linear or irregularly shaped
. Doesn’t blanch w/ pressure
. Caused by inc. pressure in superficial veins

Question 3

Telangiectasia

Answer 3

. Fine, irregular red line

. Caused by dilation of capillaries

Question 4

Capillary hemangioma (nevus flammeus)

Answer 4

Red irregular macular patches

Caused by dilation of dermal capillaries

Question 5

Ecchymoses

Answer 5

. Red-purple non-blanchable discoloration of variable size

. Caused by vascular wall destruction, trauma, vasculitis