Dermatology terms Flashcards

1
Q

flat, circumscribed area that is a change in the color of the skin < 1cm

A

Macule (freckles, flat moles, petechiae, measles)

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2
Q

an elevated, firm, circumscribed area, <1cm

A

papule (wart, elevated moles, lichens planus)

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3
Q

a flat, nonpalpable, irregularly shaped macule >1cm

A

patch (vitiligo, port-wine stains, Mongolian spots, cafe au llait patch)

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4
Q

elevated, firm, and rough lesion with flat top surface >1cm

A

plaque (psoriasis, seborrheic, and actinic keratoses

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5
Q

elevated, irregular-shaped area of cutaneous edema, solid, transient, variable diameter

A

wheal (insect bites, urticaria, allergic reaction)

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6
Q

elevated, firm, circumscribed lesion; deeper in dermis than a papule: 1-2 cm in diameter

A

nodule (erythema nodosum, lipoma)

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7
Q

elevated and solid lesion; may or may not be clearly demarcated; deeper in dermis; >2cm

A

tumor (neoplasms, benign tumor, lipoma)

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8
Q

elevated, circumscribed, superficial, not into dermis; filled with serous fluid; less than 1 cm in diameter

A

vesicle (chicken pox, shingles)

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9
Q

Vesicle greater than 1cm

A

bulla (blister, pemphigus vulgaris)

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10
Q

elevated, superficial lesion, similar to a vesicle but filled with purulent fluid

A

pustule (impetigo, acne)

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11
Q

elevated, circumscribed, encapsulated lesion, in dermis or subcutaneous layer, filled with liquid or semisolid material

A

cyst (sebaceous cyst, cystic acne)

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12
Q

fine, irregular, red lines produced by capillary dilation

A

telangiectasia (rosacea)

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13
Q

heaped up keratinized cells, flaky skin, irregular, thick or thin, dry or oily, variation in size

A

scale: flaking of skin with seborrheic dermatitis or following a drug reaction; dry skin

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14
Q

rough thickened epidermis secondary to persistent rubbing, itching, or skin irritation often involves flexor surface of extremity

A

lichenification (chronic dermatitis)

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15
Q

irregularly shaped, elevated, progressively enlarging scar, grows beyond the boundaries of the wound, caused by excessive collagen formation during healing

A

keloid: keloid formation following surgery

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16
Q

thin to thick fibrous tissue that replaces normal skin following injury or laceration to the dermis

A

scar: healed wound or surgical incision

17
Q

loss of the epidermis, linear hollowed out, crusted area

A

excoriation: abrasion or scratch, scabies

18
Q

linear crack or break from the epidermis to the dermis, may be moist or dry

A

fissure: athlete’s foot, cracks at the corner of the mouth

19
Q

loss of part of the epidermis to the dermis; depressed, moist, glistening; follows rupture of a vesicle or bulla

A

erosion: varicella, variola after rupture

20
Q

loss of epidermis and dermis; concave; varies in size

A

ulcer: decubiti, stasis ulcer

21
Q

dried serum, blood, or purulent exudates; slightly elevated; size varies; brown, red, black, tan, or straw-colored

A

crust: scab on abrasion, eczema

22
Q

thinning of skin surface and loss of skin markings; skin translucent and paper-like

A

atrophy: striae; aged skin

23
Q

lesion appears in one small area such as impetigo, herpes simplex, tinea corporis

24
Q

lesion appears in specific area of the body such as acne, herpes zoster, psoriasis

25
lesions appear widely distributed or in numerous areas simultaneously such as urticaria, and disseminated drug eruptions
generalized