Primary Skin Flashcards
1
Q
Vesicle
A
< 1 cm diameter • Well-circumscribed • Filled with fluid • Examples – Herpes simplex “Dew drops on a rose petal”
2
Q
Bulla
A
> 1 cm diameter • Well-circumscribed • Filled with fluid • Examples – blisters
(2nd degree burns)
3
Q
Pustule
A
• Well-circumscribed • Elevated, superficial, epidermal • Filled with pus • Example – acne
4
Q
Cyst
A
Nodule filled with liquid or semisolid material
5
Q
Macule
A
- < 1 cm diameter
- Flat, non-palpable
- Variable color
- Examples – freckles, petechiae
6
Q
Patch
A
- > 1 cm diameter
- Flat, non-palpable
- Usually irregularly shaped
- Examples – Café au lait spots, vitiligo
7
Q
Papule
A
- < 1 cm diameter
- Palpable, firm
- Circumscribed
- May be confluent & form plaques
- Examples – warts, nevi
8
Q
Plaque
A
- > 1 cm diameter
- Elevated, firm; smooth or rough texture
- Circumscribed
- Example - psoriasis
9
Q
Nodule
A
- > 1 cm but < 2cm diameter
- Deeper & firmer than a papule or plaque
- Must palpate to determine • Usually round • Examples – lipoma, some skin cancers
10
Q
Tumor
A
- > 2 cm
- A larger nodule
- Deeper and firmer than a plaque
- Examples – hemangioma, tumors, lipomas
11
Q
Wheal
A
• Irregular, transient, superficial edema • Examples – insect bites, urticaria (hives)
12
Q
Dermatographic Uticaria
A
Skin becomes raised and inglamed when scratched or rubbed
