Vascular lesions

Question 1

Petechia

Answer 1

• Petechia (plural = petechiae)
• 0.1-0.3 cm (1-3 mm) diameter
• Represent blood outside of a vessel
• Round or irregular
• Deep red or purple-red
• Seen with infections & bleeding disorders
• Does NOT blanch

Question 2

Purpura

Answer 2

• 0.3 cm – 1 cm
• Same as petechiae but larger
• Do NOT blanch

Question 3

Ecchymosis

Answer 3

• Generally > 1 cm diameter
• “Bruise”
• Represent blood outside
• Fade to green, yellow, brown • Does NOT blanch
of vessels due to trauma, bleeding disorders
• Round, oval, or irregular borders
• Purple lesions of variable size

Question 4

Cherry angioma

Answer 4

• 1-3 mm diameter
• Flat or raised
• Red
• Typically seen on trunk
• Associated with aging
• Do NOT blanch

Question 5

Spider angioma

Answer 5

• Very small up to 2 cm diameter
• Central body with surrounding erythema,
& radiating legs (spider) • Seen on face, neck, arms, & upper trunk • Associated with – liver dz, pregnancy, age, sun • A type of telangectasia • Does blanch

Question 6

Spider vein

Answer 6

• Very small to several inches
• Variable shape, may resemble spider, be linear, or irregular
• Most often seen on legs (small varicose veins)
• Does blanch

Question 7

Telangectasia

Answer 7

• Irregular lines secondary to dilations of capillaries
• Reddish color
• Can be seen with basal cell skin cancers, sun damage, rosacea
• Does blanch

Question 8

Hemangioma

Answer 8

• Irregular lesion secondary to dilation of dermal capillaries
• Reddish color
• Starts as macule, can progress to plaque or nodule
• Example – “strawberry hemangioma”
• Does blanch

Question 9

Vascular : Will not blanch

Answer 9

Will NOT blanch • Petechiae • Purpura • Ecchymosis • Cherry angioma

Question 10

Vascular: will blanch

Answer 10

• Spider angioma • Spider veins • Telangiectasia • Hemangioma