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27 Cards in this Set
- Front
- Back
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Macule
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Primary lesion
Flat discoloration < .5cm Inflamm due to vasodil of superficial vessels. Intrinsic - e.g. freckle Extrinsic - e.g. tattoo |
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Patch
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Primary lesion
Flat discoloration larger than 0.5cm |
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Papule
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Primary lesion
Elevated, solid up to 0.5cm |
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Plaque
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Primary lesion
Elevated solid larger than 0.5cm |
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Maculopapule
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Primary lesion
Avoid using this term. It means you are confused. |
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Nodule
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Primary lesion
Circumscribed, round or ellipsoidal. Palpable. A growth that is elevated but has a deeper component as well. Larger than 0.5cm |
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Tumor
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Primary lesion
Large nodules usually. |
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Wheal
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Primary lesion
Response of skin to histamine. Transient. Characterized with these 3 features: edema, erythema and flare. Edema fluid is BOUND (contrast to vesicle and bulla) |
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Vesicle
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Primary lesion
Free clear fluid up to 0.5cm |
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Bulla
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Primary lesion
Free clear fluid more than 0.5cm |
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Pustule
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Leukocytes and free fluid (pus) which is variable in szie.
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Scale
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Secondary lesion (from lesion evolution)
Excess dead epidermal cells. i.e. keratin. |
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Crust
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Secondary lesion (from lesion evolution)
Scab. Collection of dried serum and cellular debris. |
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Erosion
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Secondary lesion (from lesion evolution)
Focal loss of epidermis. Usually a small amt of dermal tissue is lost as well. Heals without scarring. |
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Ulcer
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Secondary lesion (from lesion evolution)
Loss of epidermis and dermis. Heals with scarring. |
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Fissure
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Secondary lesion (from lesion evolution)
Linear losses of epidermis and dermis that has sharply defined and abrupt walls. A slit, basically. |
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Scar
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Secondary lesion (from lesion evolution)
Abnormal CT replacing tissue lost of altered. Implies dermal damage. Synonym is cicatrix. Types are atrophic (thinned), hypertrophic (keloid), or striae (stretch marks) |
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Atrophy
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Secondary lesion (from lesion evolution)
Depression in skin resulting from thinning of epidermis, dermis or subcut fat. |
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Excoriation
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Special lesion
Caused by scratching |
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Comedone
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Special lesion
Plugs of sebaceous and keratinous material lodged in openings of pilosebaceous follicles. The primary lesions of acne vulgaris. Open - blackhead Closed - skin covers the orifice. A white head follic dilatation that is not as marked. |
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Milia
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Special lesion
Small, superficial keratin cysts. |
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Burrow
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Special lesion
Linear or curvilinear papule that houses parasites such as the scabetic mice. |
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Lichenification
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Special lesion
Thickened epidermis. Major sign is increased prominence of the skin lines. |
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Telangiectasia
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Special lesion
Dilation of superficial vessels. Often linear or branch-like. |
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Petechiae
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Special lesion
Blood or blood pigments less than 0.5cm and diascopy is present (does not blanch with pressure) |
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Purpura
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Special lesion
Deposits of blood or blood pigments greater than 0.5cm. Does not blanch with pressure (diascopy). |
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Quickly review pages 3,4,5 of notesad
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