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Skin lesions
| Question | Answer |
|---|---|
| Ulcer | loss of epidermis and dermis |
| Vesicle | elevated, circumscribed, superficial, not into the dermis; filled with serous fluid |
| Tumor | elevated and solid lesion; deeper in dermis |
| Macule | flat, circumscribed rea that is change in the color of the skin; less than 1 cm in diameter |
| Pathch | flat, nonpalpable, irregularly shaped macule more than 1 cm in diameter |
| Excoration | loss of the epidermis, linear hollowed-out crusted area |
| Papule | elevated, firm, cirucmscribed area less than 1 cm in diameter |
| Telangiectasis | fine irregular red line produced by capillary dilatation |
| Cyst | elevated, circumscribed, ecapsuled lesion |
| Pustule | elevated, superficial lesion filled with purulent fluid |
| Scale | heaped-up keratinized cells, fleaky skin |
| Keloid | iregularly shaped elevated, progressively enlarging scar |
| Lichenification | rough, thickened epidermis secondary to persistent rubbing, itching or skin irritation |
| Scar | thin to thick fibrous tissue that replaces normal following injury |
| Nodule | elevated, firm, circumscribed lession, deeper in dermis than papule |
| Bulla | vesicle greater than 1 cm in diameter |
| Atrophy | thining of skin surface and loss of skin markings |
| Erosion | loss of part of the epidermis, depressed, moist, follows a rapture of bulla |
| Wheal | elevated irregularly shaped are of cutaneous edema |
| Crust | dried serum, blood or prurulent exudate, slightly elevated, size varies |
| Plaque | elevated, firm and rough lesion with flat top surface greater than 1cm in diameter |
| Fissure | linear crack or break from the epidermis to the dermis |