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skin lesions
primary and secondary skin lesions
| Question | Answer |
|---|---|
| Circumscribed, flat area with a change in skin color; less than 1 cm in diameter (freckles, petechiae, measles, flat mole(nevus)) | macule |
| elevated, solid lesion; less than 1 cm in diameter (wart(verrucal), elevated moles) | papule |
| circumscribed, superficial collection of serous fluid; less than 1 cm in diameter (varicella, herpes zoster, second-degree burn) | vesicle |
| circumscribed, elevated superficial, solid lesion; greater than 1 cm in diameter (psoriasis, seborrheic and active keratoses) | plaque |
| firm, edematous, irregularly shaped area; diameter variable (insect bite, urticaria) | wheal |
| elevated superficial lesion filled with purulent fluid (acne, impetigo) | pustule |
| linear crack or break from the epidermis to dermis; dry or moist (athlete's foot, cracks at corner of the mouth) | fissure |
| excess, dead epidermal cells produced by abnormal keratinization and shedding (flaking of skin after a drug reaction or scarlet fever) | scale |
| abnormal formation of connective tissue that replaces normal skin (surgical incision or healed wound) | scar |
| loss of the epidermis and dermis; crater-like; irregular shape (pressure ulcer, chancre) | ulcer |
| depression in the skin resulting from thinning of the epidermis or dermis (aged skin, striae) | atrophy |
| area in which epidermis is missing, exposing the dermis (scabies, abrasion, or scratch) | excoriation |
Created by:
deidreking
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