Skin stuff part 4

Question 1

Blanching lesions

Answer 1

Allergic rxn

Hives

Question 2

Non-blanching lesions

Answer 2

Hemorrhagic: purpura, petechia

Non-vascular: nevus

Question 3

Petechia/Purpura

Answer 3

Deep red or reddish purple, fading with time
Petechia are flat 1-3 mm diameter
Purpura are flat or palpable >3 or <10 mm
Rounded or irregular, flat
May suggest bleeding disorder
Non-blanching

Rocky Mountain spotted fever
Meningococcemia
Henoch-Schonlein Purpura

Question 4

Spider angioma

Answer 4

Fiery red
From v small to 2 cm
Central body sometimes raised, surrounded by erythema and radiating “legs”
Central pressures causes blanching

May be associated w liver disease

Question 5

Telangestasia

Answer 5

Superficial veins; bluish in color
Vary from very small to several inches
May resemble a spider or be linear
Blanching

Question 6

Cherry angioma

Answer 6

Bright, ruby red
1-3 cm diameter
Round, flat, or sometimes raised
May be surrounded by pale halo
Number increase w age
Non-blanching

Question 7

Hemangioma

Answer 7

Congenital anomaly
Proliferation of blood vessels leads to a mass that resembles a neoplasm
Most undergo spontaneous regression