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15 Cards in this Set

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Macule
Circunscribed lession of up to 5 mm in diameter. Flatness, distinguish by surrounding skin by its discoloration
Path
Circunscribed lession of more than 5 mm in diameter. Flatness, distinguish by surrounding skin by its discoloration
Papule
Elevated dome shaped or flat topped lession 5 mm or less across.
Plaque
elevated topped lession, greater than 5 mm across.
Blister
vesicle or bulla
Difference bet pastule, bulla and vesicle
Vesicle: fluid filled lession less than 5 mm across. Bulla: fluid filled lession > 5 mm across. Pastule:pus filled raised lesion.
Excoriotic
often self induced traumatic
breakage of the epidermis: scratch.
Hyperkeratosis vrs. parakeratosis
Hyperkeratosis: Thickening of stratum corneum.
Parakeratosis:keratination charact by retention of the nuclei in the stratum corneum.
spongiosis
intercellular edema of the epidermis.
lichenification
thickened and rough skin charact by prominent skin margins; usually the result of repeated rubbing.
lentiginous
linear pattern of melanocytes proliferation within the epidermal basal layer.
vitiligo
common disorder charact by partial or complete loss of melanocytes within the epidermis.
lentigo
common benign localized hyperplasia of melanocytes occurring at all ages but often in infancy and childhood.
melanocytic nevus (mole)
any congenital or acquired neoplasm of melanocytes thus it is a misnomer. Important because their recognition is an important model of tumor progresion.
Dysplastic nevi
BK moles. tendency to occur in non-sun exposed and sun-exposed body surfaces. Prone to form malignant melanoma.