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Flashcards in Dermatology by Brian Deck (49)
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1
Q

Why should actinic keratosis be treated?

A

It may progress to squamous cell carcinoma.

2
Q

What is the first line treatment for rosacea?

A
  • Metronidazole

- tetracycline is a close second

3
Q

Where are 90% of basal cell lesions found on the body?

A

-on the head and neck

4
Q

Purple, puritic, polygonal, papules on physical exam should make you think of what diagnosis?

A

-Lichen planus

5
Q

What are the ABC’s of melanoma?

A
  • Asymmetry
  • border
  • color
  • diameter
  • elevation/irregularity
  • evolving
6
Q

A positive Auspitz sign should make you think of what diagnosis?

A

-Psoriasis

7
Q

What is the key indicator for the progress of melanoma?

A

-thickness of the lesion

8
Q

What is the treatment for melanoma?

A

-wide local excision

9
Q

A waxy stuck on appearance should make you think of what diagnosis?

A

-Seborrheic kertosis

10
Q

A 5 year old presents in early January with a red itchy rash behind his knees. You notice it on the flexor surfaces of his elbows as well. What is the most likely diagnosis?

A

-Atopic dermatitis

11
Q

The term satellite lesion should make you think of what diagnosis?

A

-Candida diaper rash

12
Q

Coin-shaped plaques should make you think of what diagnosis?

A

-Nummular eczema

13
Q

A 30 year old female presents with pustules on her face that spare the vermilion border. In her history she has been using topical steroids. What is the most likely diagnosis?

A

-Perioral dermatitis

14
Q

A patient presents with flaky skin in the nasolabial folds and in her hair. What is the most likely diagnosis?

A

-Seborrheic dermatitis

15
Q

How do you treat a stasis dermatitis?

A

-Compression stockings

16
Q

Tapioca blisters should make you think of what diagnosis?

A

-Dyshidrosis - these are usually on the hands and feet.

17
Q

Giant cells on a Tzanck smear should make you think of what diagnosis?

A

-Herpes simplex virus

18
Q

How do you treat lichen simplex chronicus?

A

-Get the patient to stop scratching

19
Q

A herald patch should make you think of what diagnosis?

A

-Pityriasis rosea

20
Q

How should you treat pityriasis rosea?

A

-Reassurance

21
Q

A patient with a history of herpes now presents with a target lesion. What is the most likely diagnosis?

A

-Erythema multiforme

22
Q

Rinophyma should make you think of what diagnosis?

A

-Acne rosacea

23
Q

Silvery Scales should make you think of what diagnosis?

A

-Psoriasis

24
Q

A teardrop lesion after a course of strep throat should make you think ow what diagnosis?

A

-Guttate psoriasis

25
Q

Are lesions from psoriasis typically found on flexor or extensor surfaces?

A

-Extensor

26
Q

What is the first line treatment for tinea corporis?

A

-Topical azoles

27
Q

What are the two most common organisms responsible for cellulitis?

A

-Strep and staph

28
Q

Pitting nails are associated with what dermatologic disorder?

A

-Psoriasis

29
Q

Nummular eczema is most like what other dermatological condition?

A

-Atopic dermatitis

30
Q

Honey-colored crusts should make you think of what diagnosis?

A

-Impetigo

31
Q

What two herpes viruses are most responsible for condyoma acuminata?

A

-HSV 6 and 11

32
Q

A double commode is indicative of what diagnosis?

A

-Hidradenitis suppurativa

33
Q

What is the best treatment for molluscum contagiosum?

A

-It is benign so there is no need to treat it. Lesions may be removed if unsightly.

34
Q

Hyperpigmented velvety plaques should make you think of what diagnosis?

A

-Acantosis nigricans

35
Q

Melasma is most often found in what patient population?

A

-Women of childbearing age

36
Q

Extremely pruritic lesions with burrows in runs should make you think of what diagnosis?

A

-Scabies

37
Q

What is the first step in treating atopic dermatitis?

A

-behavioral modifications–reduce bathing, use only soap on face and genitals, use natural breathing fabrics.

38
Q

What is the treatment for a bad brown recluse spider bite?

A

-Debridement, the venom causes tissue necrosis.

39
Q

Salmon-colored scales should make you think of what diagnosis?

A

-Psoriasis

40
Q

Depigmentated patches of skin should make you think of what diagnosis?

A

-Vitiligo

41
Q

Spaghetti and meatballs on KOH prep should make you think of what diagnosis?

A

-Tinea versicolor

42
Q

What dermatologic finding is associated with insulin insensitivity?

A

-Acanthosis nigricans

43
Q

A slowly growing nodule with a central depression and a pearly border should make you think of what diagnosis.

A

-Basal cell carcinoma

44
Q

What dermatologic finding is associated with asthma?

A

-Atopic dermatitis

45
Q

A christmas tree pattern should make you think of what diagnosis?

A

-Pityriasis rosea

46
Q

Oval patches of hair loss should make you think of what diagnosis?

A

-Aopecia areata

47
Q

What is the first line treatment for genital warts?

A

-Imiquimod (Aldara)

48
Q

A pearly dome-shaped lesion with a central umbilication should make you think of what diagnosis?

A

-Molluscum contagiousum

49
Q

What is the best lab test for scabies?

A

-Microscopic examination under oil immersion