List 6 examples of color to look for in a skin examination.
How are skin lesions initially classified (2 categories)?
2. Secondary
How are primary skin lesions initially classified (2 categories)?
2. Large
What are the other features of primary skin lesions (6)?
List the 6 SMALL primary skin lesions according to the following categories:
List the 6 LARGE primary skin lesions according to the following categories:
What is a macule?
Primary small skin lesion
Flat (lacks elevation or depression), different color from surrounding skin
What is a patch?
Primary large skin lesion
Flat skin discoloration
What is a plaque?
Primary small or large skin lesion
Mesa-like elevation that occupies a large surface area in comparison to its height (raised and flat)
> 1.0cm
What is a papule?
Primary small skin lesion
Solid, raised lesion
Generally <0.5 cm in diameter
“Papules pop up”
What is a nodule?
Primary large skin lesion
Palpable, deeper than a papule
>0.5 cm in diameter
Feels like a marble in the skin
What is a pustule?
Primary small skin lesion
Raised lesion that contains a purulent exudate
What is a vesicle?
Primary small skin lesion
Elevated lesion that contains (clear) fluid; the wall is thin and the lesion appears translucent
<0.5 cm in diameter
What is a bulla?
Primary large skin lesion
Vesicle >0.5 cm in diameter
What is a wheal?
Primary large or small skin lesion
Firm, edematous plaque that is evanescent (comes and goes) and pruritic
What is another name for a wheal?
Hive
What are secondary skin lesions?
Lesions that are created by scratching, scrubbing, or infection
List the secondary skin lesions (8).
What is an ulcer?
“Hole in the skin”
Destruction of the epidermis and upper dermis; will heal with scarring
What is a scar?
Healed wound or ulcer
What is a keloid scar?
An abnormal formation of connective tissue
What is atrophy?
Thinning of the epidermis and dermis
What is a scale?
Abnormal shedding or accumulation of stratum corneum in perceptible flakes
What is a crust?
Hardened deposit that results when serum, blood, or purulent exudate dries on the skin surface