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(PA school) CAM I > Dermatology II Highlights > Flashcards

Dermatology II Highlights Flashcards

1
Q

Most common benign epithelial tumor is what?

A

Seborrheic keratosis

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2
Q

True or false: acanthosis nigricans is difficult to completely eradicate

A

True

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3
Q

True or false: Cryo is not effective for hemangiomas/ cherry angiomas

A

True

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4
Q

True or false: Actinic keratosis is precancerous to SCC

this is on exam

A

True

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5
Q

What is the m/c precursor lesion of Squamous cell carcinoma

A

Actinic keratosis

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6
Q

What condition is characterized by rough (coarse like sandpaper) scaly lesions on sun-exposed skin?

A

Actinic keratosis

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7
Q

What are 2 key aspects of pediculosis (lice) Tx?

A

Topical ivermectin and special comb

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8
Q

Intense, “Itching so bad I can’t sleep” with burrows, excoriations, or serpiginous ridges are classic Sx of what?

A

Scabies (sarcoptes scabiei)

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9
Q

Scabies (sarcoptes scabiei) usually spares what in adults?

A

Head & neck

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10
Q

Latrodectism: Latrodectus (widow spiders): what is the classic presentation?

A

Initially asymptomatic or mild pain, then muscle pain

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11
Q

1) What should you consider for black widow bites?
2) What else should you do?

A

1) Antivenom
2) Monitor vitals and breathing closely

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12
Q

How do you treat recluse bites?

A

Wound care, analgesics, tetanus prophylaxis, surgical debridement, consider admission (severe cases)

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13
Q

Red, white, blue lesions are Sx of what?

A

Recluse spider bites

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14
Q

What has a ~10% of necrosis?

A

Recluse spide bites

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15
Q

True or false: systemic Sx involving brown recluse bites are rare

A

True

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16
Q

What is one Tx for a brown recluse spider bite?

A

Surgical debridement

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17
Q

Is alopecia areata scarring or non-scarring?

A

Non-scarring

18
Q

What typically presents w. “exclamation point hairs”?

A

Alopecia areata

19
Q

Subungual debris is a Sx of what?

A

Onychomycosis (Tinea Unguium)

20
Q

What are the 4 potential locations of tinea?

A

Capitis, corporis, unguium, pedis

21
Q

Onychomycosis (Tinea Unguium):
1) Tx in fingernails?
2) Tx in toenails?

A

1) PO griseofulvin 500mg 1 PO BID w/high fat meal x 4mo,
2) 1st line griseofulvin, 2nd line PO terbinafine x 12wks
-must monitor ANC and d/c if ANC< 1000

22
Q

True or false: you must confirm a Onychomycosis (Tinea Unguium) Dx with a lab test before Tx

A

True

23
Q

How must you confirm an onychomycosis (Tinea Unguium) dx?

A

Hepatic function test & CBC q4-6 weeks for PO antifungals

24
Q

What does a very flocculant, painful, warm paronychia need?

A

L&D

25
Q

Dermatophytosis: list all the types of tinea

A

1) Tinea pedis: foot
2) Tinea manum: hand
3) Tinea cruris: crural fold, groin “jock itch”
4) Tinea corporis, aka “ringworm”: body, extremities
5) Tinea facialis: facial
6) Tinea capitis: scalp hair
7) Tinea barbae: beard hair

26
Q

1) What is found with a moist environment on the skin?
2) What needs to be monitored when treating this condition?

A

1) Dermatophytosis/ tinea
2) LFTs and CBC/ANC

27
Q

What will you see when you scrape tinea versicolor?

A

Yeast & elongated hyphae (think “spaghetti and meatballs”)

28
Q

How may tinea versicolor under a woods lamp? What does this distinguish it from?

A

Fluoresce blue/green; vitiligo remains white without scale

29
Q

What are Malassezia?

A

Microscopic spores and hyphae

30
Q

Poxvirus is also called?

A

Molluscum contagiosum

31
Q

1) Dome-shaped umbilicated papules describe what?
2) What is the best Tx?

A

1) Molluscum contagiosum
2) Curettage or liquid nitrogen (cryotherapy)

32
Q

Burning, stinging, grouped vesicles on erythematous base (“dew drops on a rose petal”) describe what?

A

Herpes simplex (HSV)

33
Q

When is suppressive antiviral therapy used for HSV?

A

Frequent or severe recurrences

34
Q

True or false: VZV vaccination exists

A

True

35
Q

Varicella zoster virus (VZV):
1) What can it occur as in adults?
2) How?

A

1) Shingles
2) VZV dormant in cranial nerve sensory ganglia & spinal dorsal root ganglia after primary infection

36
Q

What lesions resemble chickenpox but follow unilateral dermatomal pattern?

A

Varicella zoster virus (VZV)

37
Q

1) What condition has a unilateral dermatomal pattern?
Bonus q: Tx?

A

1) Varicella zoster virus (VZV)
Valacyclovir or famciclovir within 72 hrs (uncomplicated), tapering course steroids; IV acyclovir for extradermatomal complications

38
Q

Pain usually precedes rash in what condition?

A

Varicella zoster virus (VZV)

39
Q

Macerated, mirror image regions in intrigenous areas with satellite lesions are characteristic of what?

A

Cutaneous candidiasis

40
Q

There is _____________ for anogenital HPV types to prevent infection & reduce cancer

A

vaccination

41
Q

What is the mainstay of ocular verrucae (warts/ HPV) Tx?

A

Oculoplastic surgery

42
Q

Warts are also called what?

A

HPV/ verrucae

(PA school) CAM I (29 decks)

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