November 25, 2015 - Intro to Dermatology

Question 1

Types of Primary Lesions

Answer 1

Macules

Papules

Patches

Plaques

Vesicles

Bullae

Question 2

Macule

Answer 2

A flat skin lesion.

Less than 1 cm in size.

Question 3

Patch

Answer 3

A flat skin lesion

More than 1 cm in size

Question 4

Papule

Answer 4

Elevated lesion

Less than 1cm in size

Question 5

Plaque

Answer 5

Elevated lesion

Greater than 3 cm

Question 6

Psoriasis

Answer 6

Is a poster child for a plaque.

Often has sharply demarcated lines between normal and affected skin.

Nails often affected too.

Question 7

Vesicle

Answer 7

Fluid filled

Less than 1cm

Question 8

Bullae

Answer 8

Fluid filled

Greater than 1cm

Question 9

Secondary Lesions

Answer 9

Modification of a primary lesion that results from traumatic injury, evolution from the primary lesion, or other external factors.

Question 10

Xanthelasma

Answer 10

Cholesterol deposits along the skin, often around the eyes.

Yellow hue.

Question 11

Texture of Lesions

Answer 11

Velvety

Waxy

Verrucous (wart)

Xerotic

Question 12

Configuration of Lesions

Answer 12

Linear

Grouped/Herpetiform (herpes)

Iris or Targetoid

Annular

Dermatomal/Zosteriform (follow dermatome)