Heath Assessment Exam 2

Lesion

circumscribed pathology alteration of the skin

Primary skin lesion

lesion arising from normal skin

Secondary skin lesion

lesion arising from changes in a primary lesion

Macule

non-palpable colored area. <1cm diameter

Papule

raised area, <1cm diameter

Patch

colored area >1cm diameter

Nodule

marble-like lesion (deeper/firmer than papule) raised area >0.5cm

Plaque

raised area>1cm diameter >elevation

Vesicle

serous fluid filled sac <1cm diameter

Bulla

serous fluid filled sac >1 cm diameter

Pustule

vesicle that contains pus

Cyst

pocket of skin cells that form a pouch with expressible material

Wheal

superficial area of localized edema (hive)

Urticaria

several wheals (hives) together

Petechiae

small red spots caused by subdermal bleeding; does not blanch

Ecchymosis

bruising

Hematoma

blood that forms a mass under skin

Excoriation

secondary lesion caused by scratching primary lesions

Fissure

linear crack in the skin

Eczema

scaly patches mainly on flexor surfaces

Pruritis

itching

Ulcer

absence of skin one or more skin layers

Decubitis ulcer

ulcer caused by unrelieved pressure resulting in ischemic damage to underlying tissue; sometimes called bed sores (pressure ulcers are stage 1,2,3, or 4)

Mottling

skin that is multicolored, usually appears blotchy

Erythema

red hue due to increased blood flow

Milia

pinhead, white, keratin filled cysts