Acneiform Flashcards

1
Q

What is the clinical presentation of acne?

A
  • non-inflammatory, open or closed comedones

- inflammatory papules, pustules, and nodules due to P. acnes

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2
Q

What is the tactile difference between an acne nodule and a cyst?

A
  • nodule is firm and hard

- cyst is soft

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3
Q

What are the aggravating factors for acne?

A
  • cosmetic agents
  • medications
  • endocrine disorders associated with excess androgen
  • pregnancy
  • occlusion
  • sunlight
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4
Q

What are the general treatments for acne?

A
  • washing the face BID, not TID

- non-comedogenic make-up/moisturizers

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5
Q

What are the topical treatments for acne?

A
  • benzoyl peroxide
  • retinoids
  • adapalene
  • tazorac
  • antibiotics
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6
Q

What is used in combination with antibiotics for the treatment of acne vulgaris and why?

A
  • benzoyl peroxide

- less likely to get bacterial resistance

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7
Q

Which is the most prescribe group of abx for systemic treatment of acne?

A
  • tetracyclines
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8
Q

What is isotretinion used for?

A
  • severe, recalcitrant acne vulgaris
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9
Q

How is isotretinoin initially prescribed?

A
  • with steroids
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10
Q

What is the major concern with using isotretinoin?

A
  • teratogenic so pregnancy must be avoided
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11
Q

What is a risk of isotretinoin?

A
  • risk of abnormal healing, development of excessive granulation tissue s/p procedures
  • elective procedures should be postponed at least 1 year
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12
Q

What are the systemic treatments for acne vulgaris?

A
  • systemic antibiotic
  • isotretinion
  • oral contraceptives
  • spironolactone
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13
Q

What is the description of steroid acne?

A
  • monomorphous papulopustules
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14
Q

When does steroid acne present?

A
  • s/p topical or systemic steroids
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15
Q

What are the types of rosacea?

A
  • erythamtotelangiectatic (ETR)
  • papulopustular (PPR)
  • phymatous
  • ocular
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16
Q

How does erythmatotelangiectatic rosacea present?

A
  • central facial flushing
  • burning or stinging
  • redness spares periocular skin
17
Q

What is a ddx for erythmatotelangiectatic rosacea?

A
  • lupus
18
Q

How does papulopustular rosacea present?

A
  • redness/flushing central portion of face
  • small erythematous papules surmounted by pinpoint pustules
  • telangectasias masked by surrounding erythema
19
Q

Which is the classic presentation of rosacea?

A
  • papulopustular
20
Q

What triggers rosacea?

A
  • weather extremes
  • hot/spicy foods
  • alcohol
  • vit B
21
Q

How is rosacea diagnosed?

A
  • clinically
22
Q

What is the treatment for rosacea?

A
  • sunscreens
  • topical abx i.e. metronidazole
  • retinoids
  • oral abx i.e. tetracycline/erythromycin
  • contraceptives
  • Elidel
  • papsone laser
23
Q

What is hidradenitis suppurativa?

A
  • terminal follicular epithelium in the apocrine gland-bearing skin
24
Q

What is the ratio of females to males with hidradenitis suppurativa?

A
  • 2 to 5:1
25
Q

What is the histopathology of hidradenitis suppurativa?

A
  • same as acne vulgaris

- hyperkeratosis of infundibulum

26
Q

What are the 3 key elements needed for a hidradenitis suppurativa diagnosis?

A
  • typical lesions (papules to nodules to abscesses to contractures)
  • distribution in axilla and groin
  • active v. inactive lesions
27
Q

What is the treatment for hidradenitis suppurativa?

A
  • local hygiene with soaps, antiseptics, and antipersperants
  • weight loss
  • warm compress
  • AIF or antiandrogen
  • retinoids
  • antibacterial
  • surgery with a wide surgical excision
28
Q

What is zero therapy?

A
  • ceasing all topical medication and cosmetic use
29
Q

What are the criteria for grade I acne vulgaris?

A
  • multiple open comedones
30
Q

What are the criteria for grade II acne vulgaris?

A
  • closed comedones
31
Q

What are the criteria for grade III acne vulgaris?

A
  • papulopustules
32
Q

What are the criteria for grade IV acne vulgaris?

A
  • nodulocystic
  • multiple open comedones
  • closed comedones
  • papulopustules
  • cysts
33
Q

What spares the nasolabial folds?

A
  • rosacea