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Dermatology > Papulosquamous, Keratotic, & Pigment Disorders > Flashcards

Papulosquamous, Keratotic, & Pigment Disorders Flashcards

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Dermatology Board Prep flashcards
1
Q

acute or chronic inflammatory disorder found in flexor surfaces of the arms and legs

A

lichen planus

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2
Q

what is the mnemonic to remember presentation of lichen planus?

A

four Ps
papule, purple, polygonal, pruritic

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3
Q

the development of skin lesions at sites of trauma from an autoimmune trigger

A

Koebner reaction

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4
Q

a patient presents with flat-topped papules 1-10mm in diameter. they are well-demarcated and shiny with wickham striae (fine white streaks on papules).

A

lichen planus

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5
Q

a patient presents with this skin condition of their wrist. what is the diagnosis and treatment?

A

lichen planus

topical/intralesional steroids

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6
Q

a patient presents with this erosion on their oral mucosa. what is the diagnosis and treatment?

A

lichen planus

refer to ENT/dentist

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7
Q

how long does cutaneous lichen planus take to remit?

A

1-2 years

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8
Q

self-limited inflammatory disorder that starts with a single herald plaque that develops with centrally-adhered peeled skin

A

pityriasis rosea

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9
Q

a patient presents with a generalized pruritic, erythematous eruption that develops along the skin lines in christmas tree distribution. what is the diagnosis and treatment?

A

pityriasis rosea

treatment not needed, but can use supportive treatment

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10
Q

what can be used for pruritis in pityriasis rosea?

A

oral antihistamines

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11
Q

what is the best way to speed the resolution of pityriasis rosea?

A

systemic glucocorticoids

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12
Q

what can improve pityriasis rosea if done at the beginning of the eruption?

A

UV phototherapy / natural sunlight

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13
Q

what is this diagnosis?

A

pityriasis rosea

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14
Q

what are 3 common meds that cause psoriasis?

A

lithium
indomethacin
antimalarials

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15
Q

a patient presents with pruritic, erythematous sharply demarcated plaques with silvery scales. what is the diagnosis and treatment?

A

plaque psoriasis

topical steroids

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16
Q

a patient presents with this skin lesion that is sharply demarcated plaques with silvery scales on their knees. what is the diagnosis and treatment?

A

plaque psoriasis

topical steroids

17
Q

a patient presents with small, pruritic, round plaques that are hypopigmented and sharply demarcated with silvery scales. what is the diagnosis and treatment?

A

eruptive psoriasis

topical steroids

18
Q

this patient had a strep throat recently and presents with these small, round erythematous demarcated plaques with silvery scales. what is the diagnosis and treatment?

A

eruptive psoriasis

topical steroids

19
Q

periarticular erosions and bone resorption giving the appearance of a pencil in a cup

A

psoriasis arthritis

20
Q

what is some education to give a patient that has psoriasis?

A

use hypoallergenic, unscented moisturizers and shampoo

21
Q

what should we do for a patient that has large areas of psoriasis?

A

refer to derm

22
Q

a patient presents with multiple discrete, dry, rough adherent scaly lesions on their head. it is tender to palpation and feels like sandpaper. what is the diagnosis and treatment (4)?

A

actinic keratosis

cryotherapy or laser therapy
5-fu
imiquimod

23
Q

what is the most common benign epithelial tumor?

A

seborrheic keratosis

24
Q

a patient presents with brown-black velvety warts that appear pasted onto the skin. what is the diagnosis and treatment (2)?

A

seborrheic keratosis

cryotherapy or curettage

25
Q

a patient presents with this brown pigmentation that was most likely from UV exposure. what is the diagnosis and management?

A

melasma
sunscreen & UV avoidance

26
Q

what are 2 risk factors for melasma?

A

pregnancy
OC

27
Q

chronic disorder caused by complete absence of melanocytes, following physical trauma, illness, or stress

A

vitiligo

28
Q

a patient presents with sharply demarcated totally white macules on their face, that become confluent to form white patches. what is the diagnosis and treatment?

A

vitiligo

tacrolimus (immunosuppressant)

29
Q

a patient presents with sharply demarcated totally white macules that become confluent to form patches on their trunk. what is the diagnosis and treatment?

A

vitiligo

topical steroids

Dermatology (15 decks)

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