General Symptomatology Flashcards Preview

OS212: Dermatology > General Symptomatology > Flashcards

Flashcards in General Symptomatology Deck (16)
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1

Primary Skin Lesions

Macules → Patches
Papules → Plaques
Vesicles → Bullae
Pustules
Nodules
Comedo
Cysts
Tumor
Wheal
Telangiectasia
Purpura
Sclerosis

2

Secondary Skin Lesions

Sclerosis
Scarring
Scaling
Crusts
Lichenification
Erosions
Excoriations
Atrophy
Fissures
Ulcers

3

Capillary dilatation

Erythema

4

Extravasated RBCs

Purpura

5

Disease entities that present with erythema

Rosacea
Exfoliative Dermatitis
Lupus Erythematosus (Malar Rash)
Dermatomyositis (Heliotrope Rash - violaceous erythema and swelling of periorbital area)

6

Disease entities or conditions that present with purpura

Senile Purpura
Pigmented Purpuric Dermatitis
Henoch-Schonlein Purpura: hypersensitivity vasculitis; on biopsy, leukocytoplastic vasculitis

7

Freckles, Café-au-lait spots, Lentigo

HYPERpigmentation

8

Differentiate freckles, café-au-lait spots, and lentigo

All have increased melanin in basal layer
Café-au-lait spots and lentigo also have increased melanocytes

9

Melasma

Hyperpigmentation associated with pregnancy and women taking OCPs

10

Hyperpigmentation secondary to acne resolution

Post-inflammatory Hyperpigmentation

11

Pityriasis Alba, Pityriasis Vesicolor

HYPOpigmentation

12

Decreased melanin in epidermis associated with atopic dermatitis

Pityriasis Alba

13

Malassezia furfur synthesizes azelaic acid; interfering with melanin formation; tyrosinase inhibitor

Pityriasis Vesicolor

14

Absence of melanocytes

Depigmentation

15

Examples of depigmentation

Vitiligo

16

What do you describe when palpating for lesions?

Consistency (soft, firm, hard, fluctuant, boardlike)
Temperature
Mobility
Tenderness
Depth of Lesion (dermal or subcutaneous)