Exam 3 HA Flashcards
What are the signs of chronic sun damage?
- Numerous solar lentigines on shoulders and upper back
- Melanocytic nevi
- Solar elastosis
- Cutis rhomboidalis nuchae
- Actinic purpura
What is the risk increase for melanoma from tanning bed use before age 35?
Increases risk by as much as 75%
Define a macule.
Flat lesion <1 cm
Define a patch.
Circumscribed flat area of change in color of the skin >1 cm in diameter
What is a papule?
Small solid elevation of the skin <1 cm in diameter
What is a plaque?
Large flatter elevation of the skin, sometimes formed by papules coalescing
Define a vesicle.
Small circumscribed elevation of the epidermis containing clear fluid <1 cm in diameter
What is a bulla?
Circumscribed elevation of the epidermis containing clear fluid >1 cm in diameter
What is a pustule?
Small circumscribed elevation of the epidermis filled with purulent fluid
What is a furuncle?
Inflamed hair follicle
Define a nodule.
Solid elevation of the skin >1 cm in diameter that usually extends into the deeper skin layers
What is a cyst?
Raised circumscribed encapsulated with a wall & lumen, filled with fluid or semisolid
What is a wheal?
Circumscribed, raised lesion consisting of dermal edema, also known as hives or urticaria
What are burrows?
Small linear or serpiginous pathways in the epidermis created by scabies mite
What are erosions?
Loss of epidermal or mucosal epithelium
What is an ulcer?
Deeper loss of the epidermis and at least the upper dermis
Define petechiae.
Nonblanchable punctate foci of hemorrhage
What does purpura refer to?
Nonblanchable, raised and palpable lesions caused by RBC leaving circulation
What is the diameter threshold for a lesion to be concerning according to the ABCDE-EFG method?
> 6 mm
What does the ‘A’ in the ABCDE-EFG method stand for?
Asymmetry
What is a primary risk factor for melanoma?
Personal or family history of previous melanoma
What is the recommended SPF for sunscreen to prevent skin cancer?
At least SPF 30
What is the significance of intermittent sun exposure?
It appears to be more harmful than chronic exposure, particularly during childhood and adolescence
What is the first sign of osteoporosis?
Prior fragility fracture