What are the lesions described as the initial stage of development, flat, non-palpable changes in color?
Primary Lesions
What are lesions characterized by piles of material on the skin surface or depressions?
Secondary Lesions
What is a closed, abnormally developed sac containing pus or semifluid?
Cyst
What is an open lesion on the skin or mucous?
Ulcer
What is the most common and least severe form of skin cancer?
Basal Cell Carcinoma
What is a flat spot or discoloration of the skin, such as a freckle?
Macule
What are dead cells that form over a wound or blemish while healing?
Crust
What is an elevation in the skin that contains no fluid but may develop pus?
Papule
What is a crack in the skin that penetrates the dermis?
Fissure
What is a more serious condition than basal cell carcinoma that can grow and spread?
Squamous Cell Carcinoma
What is a large blister containing watery fluid?
Bulla
What is a thick scar resulting from excessive growth of fibrous tissue?
Keloid
What is a solid bump larger than 1cm that is easily felt?
Nodule
What is excessive shedding of dead skin cells?
Scale
What is the most serious form of skin cancer because it metastasizes?
Malignant Melanoma
What is a small blister or sac containing clear fluid, within or beneath the epidermis?
Vesicle
What is a skin sore, or abrasion, caused by scratching or scraping?
Excoriation
What is a birthmark or malformation of the skin?
Nevus
What is the tissue that forms after an injury to the skin has healed?
Scar
What does the "A" stand for in the ABCDE skin cancer checklist?
Asymmetry
What is an inflamed papule with a white or yellow center containing pus?
Pustule
What is a depressed lesion, often involving the loss of tissue?
Atrophy
What is an itchy, swollen lesion caused by a blow, scratch, or sting?
Wheal
What is a shallow depression in the skin caused by surface tissue loss?
Erosion
What does the "E" stand for in the ABCDE skin cancer checklist?
Evolving