Primary lesions
Secondary lesions
Oil Gland Disorders
Inflammations
Pigmentation
Hypertrophies
100
Any structural change in the tissues caused by damage - any mark, wound or abnormality is: 

a lesion

100

Another name for a scab is: 

a Crust 

100
A chronic inflammatory condition of the oil glands resulting in comedones and blemishes

acne

100

an inflammatory condition of the skin - general term would be called a "rash"

dermatitis

100

Overproduction of pigment 

hyperpigmentation

100

a pigmented nevus, may be flat or raised 

mole 

200

A flat spot or discoloration on the skin such as a freckle is: 

a macule 

200

discoloration left after a picking or scraping an acne lesion

acne excoriee

200

a noninflammed buildup of cells, sebum and debris

comedo

200

inflammatory condition caused by a reaction to a substance or chemical 

contact dermatitis

200
Liver spots are also known as 

cholasma

200

small outgrowths of skin that look like flaps, usually where skin rubs together

skin tags

300

A small raised elevation on the skin with no fluid, but may develop into a pustule is: 

papule

300

a crack in the skin that penetrates the dermis 

fissure

300

also known a boil, a subcutaneous abcess with pus is: 

a furuncle

300

acne-like condition around the mouth, consisting of small clusters of papules 

perioral dermatitis 

300

A birthmark is also known as 

nevus

300

A contagious, infections wart is also known as 

a verruca

400

Localized edema in the epidermis causing red or pale elevation.  ex. bug bite 

wheals 

400

A thick scar resulting from excessive fibrous tissue or collagen 

keloid 

400

small firm epidermal cyst-like white papules, with no visible opening: 

milia 

400

painful, itchy inflammatory disease with dry or moist lesions.  Also an oil gland disorder: 

eczema

400

flat, pigmented areas similar to a group of freckles, but yellowish-brown.

lentigo (len-TY-go)

400

an abnormally thick buildup of cells 

keratosis

500

A large nodule, with abnormal cell growth: 

tumor 

500

an open lesion on the skin or mucous membrane, with puss or loss of skin depth: 

ulcer

500

benign lesions usually found in the oilier areas of the face, white yellow flesh colored 

sebaceous hyperplasia

500

Itchy, scale-forming disease caused by over-proliferation of skin cells.  May bleed if irritated. 

Psoriasis

500

A pigmentation disease where a person is lacking pigment in areas or entirely 

vitiligo

500
pink or flesh colored lesions that feel sharp or rough, resulting from sun damage 

actinic keratosis