Primary Lesions
A flat spot or discoloration on the skin such as a freckle or age spot.
What is a macule?
What is an excoriation?
A small brownish spot on the skin. Might not be cancerous.
What is a normal mole?
Acne is an inflammatory disorder of these glands.
What is sebaceous glands?
This term refers to any overproduction of pigment in the skin.
What is hyperpigmentation?
A closed abnormally developed sac that contains pus, semifluid, or morbid matter above or below the skin.
What is a cyst?
A thick scar resulting from excessive growth of fibrous tissue.
What is a keloid?
Pink or flesh-colored precancerous lesions that feel sharp or rough and are a result of sun damage.
What is actinic keratosis?
This grade of acne is considered the most severe.
What is grade 4 (cystic acne)?
This is triggered by hormonal changes often during pregnancy or from birth control.
What is melasma?
A large blister containing a watery fluid; like a vesicle.
What is a bulla?
An open lesion on the skin or mucous membrane of the body.
What is an ulcer?
Most serious form of skin cancer as it can metastasize.
What is malignant melanoma?
Small, solidified impactions of oil without cell matter often found on the nose.
What are sebaceous filaments?
This is seen after an acne lesion has resolved, may be deep red, purple, or brown.
What is postinflammatory hyperpigmentation (PIH)?
A small elevation on the skin that contains no fluid but may develop pus.
What is a papule?
A crack in the skin that penetrates the dermis.
What is a fissure?
Characterized by scaly red or pink papules or nodules, or open sores or crusty areas.
What is squamous cell carcinoma?
This hormonal condition can manifest in increased androgen production, leading to acne breakouts.
What is PCOS (polycystic ovarian syndrome)?
A fungal condition that inhibits melanin production.
What is tinea versicolor or pityriasis versicolor?
A solid bump larger than 0.4 inches that can be easily felt.
What is a nodule?
Thin, dry, or oily plate of epidermal flakes.
What is a scale?
Most common and least severe type of skin cancer which often appears as light, pearly nodules.
What is basal cell carcinoma?
The entire follicle including the hair shaft, sebaceous gland, and the sebaceous duct to the surface.
What is the pilosebaceous unit?
A flat, pigmented area similar to a freckle; small, yellow-brown spots.
What is a lentigo?