Derm Assessment Flashcards
What is a flat primary lesion <1 cm
Macule
What is a flat primary lesion >1 cm
Patch
Small, solid skin elevation <1cm
Papule
Solid skin elevation >1cm
Plaque
Mass 1-2cm in diameter
Nodule
Mass greater than 2cm
Tumor
Fluid filled lesion <1cm
Vesicle
Fluid filled lesion >1cm
Bulla
Raised spot <1cm containing puss
Pustule
Semisolid mass, bigger than a pustule
Cyst
Raised skin lesion with interstitial fluid
Wheal
Blackhead or whitehead
Comedo
Abscess around the hair follicle
Furuncle
Group of furuncles
Carbuncle
Scabies lesions
Burrow
Superficial capillary dilation spider veins
Telangiectasia
Flake or sheet arising from the stratum corneum
Scale
Scratches on the skin
Excoriations
Thickened skin d/t trauma/itching, leading to deepened skin lines
Lichenification
Moist circumscribed depressed lesion resulting from the loss of portion or all of viable epidermal or mucosal epithelium
Erosion
Deeper lesion involving the epidermis and at least upper dermis, leading to scarring
Ulceration
Thin and wrinkled skin
Atrophy
secondary lesion: Small, pupuric (purplish) lesions up to 2mm across
Petechiae
discoloration of the skin d/t hemorrhage from small vessels, doesn’t blanch with pressure, larger than petechiae
Purpura
Round with central clearing
Annular shaped
Partial ring
Arcuate shaped
Almost a full ring
Circinate shape
Lesions run together, a distribution
Confluent
Target shape
Iris shape
Linear arrangement along a dermatome route
Zosteriform
A Lace-like network
Reticulated
Snakeline track
Serpiginous shape
Dilated blood vessels
Telangiectatic shape
A line/streak
Linear shape lesion
Horny thickening
Keratotic shape
What’s the difference between primary and secondary lesion
Primary is from a disease process. Secondary evolves related to a primary lesion or from the patient’s actions
Describe the epidermis
Outermost layer of skin made of a basal layer that proliferates cells which mature and move up into keratocytes
What is the stratum corneum?
Outermost later of the epidermis
Describe the dermis
The layer below the epidermis, with blood vessels, hair follicles, and erector pili muscle
Describe the subcutaneous layer
Fatty connective tissue, thermoregulator, protects from pressure ulcers and bony joints
What is an oil-secretion gland in the dermis?
Sebaceous gland, lubricates hair follicles
What is the whitish nail matrix and what does it do?
Lunula, proliferates epithelial cells.
What is the thickened portion of bed responsible for nail growth?
Nail matrix
What is the hard part of the nail?
Nail plate
Areas of the body that do not have hair?
Palms, soles, lips, eyelids, labia minora, glans penis
Term for excessive growth of hair?
Hypertrichosis
Acronym for what factors to pay attention to in a derm exam?
Asymmetry, border irregulatiry, color variation, diameter greater than 6mm, evolving
Fancy term for itching?
Pruritis
