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APA > Skin Disorders > Flashcards

Skin Disorders Flashcards

1
Q

Beings in center and spreads to periphery
Ex: Tinea corporis (ringworm), tinea versicolor, pityriasis rosea

A

Annular/Circular

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2
Q

Lesions that merge together
Ex: Urticaria (hives)

A

Confluent

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3
Q

Distinct, individual lesions that remain separate
Ex: Molluscum

A

Discrete

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4
Q

Clusters of lesions
Ex: Vesicles of contact dermatitis

A

Grouped

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5
Q

Twisted, coiled, spiral, snakelike

A

Gyrate

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6
Q

Resembles of eye, concentric rings of color in the lesion
Ex: Erythema multiforme

A

Target/iris

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7
Q

Scratch, streak, line or stripe

A

Linear

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8
Q

Annular lesions that grow together
Ex: Lichen planus, psoriasis

A

Polycyclic

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9
Q

Linear arrangement along a nerve route
Ex: Herpes zoster

A

Zosteriform

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10
Q

Soley a color change
Flat and circumscribed
< 1cm diameter
EX: Freckles, flat nevi, hypopigmentation, petechiae, measles, scarlet fever

A

Macule

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11
Q

Macules > 1 cm diameter
EX: Mongolian spot, vitiligo, cafe au lait spot, chloasma, measles rash

A

Patch

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12
Q

Palpable, solid, elevated, circumscribed, < 1 cm diameter
Caused by superficial thickening in the epidermis
EX:
Elevated nevus (mole), lichen planus, molluscum, wart (verruca)

A

Papule

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13
Q

Papules that coalesce to form elevation wider than 1cm
Plateau like, disc shaped lesion
Ex:
Psoriasis, lichen planus

A

Plaque

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14
Q

Superficial, raised, transient, and erythematous, slightly irregular shape because edema (fluid held diffusely in the tissues)
Ex: Mosquito bite, allergic reaction, dermographism

A

Wheal

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15
Q

Wheals that coalesce to form extensive reaction; intensely pruritic

A

Urticaria/Hives

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16
Q

Solid, elevated, hard or soft, > 1 cm diameter; may extend deeper into dermis than papule
Ex:
Xanthoma, fibroma, intradermal nevi

A

Nodule

17
Q

Larger than a few centimeters in diameter, firm or soft, deeper into dermis; may be benign or malignant
Ex:
Lipoma, hemangioma

A

Tumor

18
Q

Elevated cavity containing free fluid, up to 1cm; clear serum flows if wall is ruptured
Ex:
Herpes simplex, early varicella (chicken pox), herpes zoster (shingles), contact dermatitis

A

Vesicle/ blister

19
Q

Usually single chambered (unilocular); superficial in epidermis; > 1 cm diameter; thin walled and so it ruptures easily
Ex:
Friction blister, pemphigus, burns, contact dermatitis

A

Bulla

20
Q

Encapsulated fluid filled cavity in dermis or subcutaneous layer; tensely elevating skin
Ex:
Sebaceous cyst, trichilemmal cyst (wen)

A

Cyst

21
Q

Cavity filled with turbid fluid (pus); circumscribed and elevated
Ex:
Impetigo, acne

A

Pustule

APA (1 decks)

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