Topic 1 Primary and secondary lesion examples

Question 1

Examples of macules/patches

Answer 1

Vitiligo - white macules
Port wine stains - red macules
Cafe au lait spots - brown macules.

Question 2

Examples of papules

Answer 2

Single:
Verruca vulgaris
Basal cell carcinoma

Multiple:
Condyloma acuminata

Question 3

Examples of plaques

Answer 3

Single:
Lichen simplex chronicus

Multiple:
Psoriasis
Mycosis fungoides

Question 4

Examples of Nodules

Answer 4

Single:
Dermal nevus

Multiple:
Erythema nodosum
Lupus panniculitis
Metastatic melanoma

Question 5

Examples of vesicles

Answer 5

Single:
Burn
Trauma

Multiple:
Bullous pemphigoid
Herpes simplex
Herpes Zoster

Question 6

Examples of Pustules

Answer 6

Single:
Folliculitis
Impetigo

Multiple:
Pustular psoriasis
secondarily infected HSV or VZV vesicles.

Question 7

Examples of Wheal

Answer 7

Contact dermatitis
Insect sting

Allergic reaction
Drug allergy

Question 8

Crust examples

Answer 8

Yellow: serum
Yellow-Green: Pus
Red, brown, black: blood

Impetigo
Ecthyma
Ruptured bullae

Question 9

Scaling examples

Answer 9

Psoriasis

Solar keratosis

Question 10

Erosions examples

Answer 10

Ruptured bullae, bullous pemph. HSV

Intertrigo

Question 11

Ulcers examples

Answer 11

Syphilis
H. Ducryei
Decubitus

Basal cell carcinoma

Question 12

Scars examples

Answer 12

form after ulcers, cuts, etc.

Can be hypertrophic, keloid,

or atrophic and soft.

Question 13

Fissure examples

Answer 13

Fissures on the plaques of psoriasis, hands

Question 14

Lichenificiation examples

Answer 14

Thickening and increased creasing of the skin.

Atopic dermatitis/eczema

Question 15

Cysts examples

Answer 15

Pilonidal cyst - hair around lower back, butt
Sebaceous cyst

Ovarian cysts
Renal cysts

Question 16

Skin Atrophy examples

Answer 16

Cushings syndrome

Senile atrophic skin