Primary Lesions
Secondary Lesions
Skin Cancer & ABCDEs
Acne Types & Grades
Acne Triggers & Clogged Follicles
100

This small blister or sac contains clear fluid and lies within or just beneath the epidermis.


What is a vesicle?

100

These dead cells form over a wound or blemish during healing.

What is a crust?

100

The most common and least severe form of skin cancer.

What is basal cell carcinoma

100

This is the medical name for common acne.

What is acne vulgaris?

100

The entire structure that includes the hair shaft and sebaceous gland is called what?

What is the pilosebaceous unit?
200

A large blister containing watery fluid; may appear with second degree burns.

What is a Bulla?

200

The skin lesion results from scratching or scraping.

What is an excoriation?

200

A rough, pink precancerous lesion from sun damage.

What is actinic keratosis

200

These are red, inflamed lesions without pus

What are papules?

200

These are small white, pearl like cysts found under the skin. 

What are Milbia?

300

This lesion is a raised, inflamed papule with a pus filled center. 

What is a pustule?

300

This condition results in a crack in the skin that penetrates the dermis.

What is a fissure?

300

What does ‘C’ stand for in the ABCDEs of melanoma?

What is color?

300

This grade of acne is characterized by many comedones, papules, and pustules.

What is grade 3 acne?

300

This trigger for clogged follicles involves the opening being too small to expel impactions

What is a small ostium?

400

This itchy, swollen lesion often results from insect bites or allergic reactions.

What is a wheal?

400

This thick scar forms from excessive fibrous tissue growth.

What is a keloid?

400
The most serious type of skin cancer known for spreading rapidly.

Malignant melanoma

400

This type of acne lesion is deep and filled with infection

What is a cyst?

400

Solidified oil that lacks cell matter and can cause breakouts on the nose

What are sebaceous filaments?

500

This is a solid bump larger than 0.4 inches that requires a medical referral.

What is a nodule?

500

This open lesion involves skin depth loss and possible fluid or pus weeping.

What is an ulcer?

500

This skin cancer appears as scaly red or pink nodules and is more serious than basal cell carcinoma

What is squamous cell carcinoma?

500

This condition involves a hereditary tendency for dead skin cell buildup in follicles.

What is retention hyperkeratosis?

500

This type of follicle blockage contained a buildup of cells, sebum, and other debris. It can be open or closed, and is often one of the first signs of acne development.

What is comedo?