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Clin Med I - Dermatology > Fungal > Flashcards

Fungal Flashcards

1
Q

Describe generalized cutaneous candidiasis

A
  • unusual, diffuse eruptions over the trunk, thorax and extremities
  • pruritis
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2
Q

Where is generalized cutaneous candidiasis located?

A
  • genitocrural folds
  • anal region
  • axillae
  • hands
  • feet
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3
Q

Describe intertrigo

A
  • vesiculopustules in intertriginous areas
  • maceration & fissuring
  • satalite lesion
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4
Q

What is a causative activity for paronychia and onychomycosis?

A
  • immersion of the hands in water

- DM

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5
Q

What is the treatmen for Candidiasis?

A
  • azole antifungals
  • glucan synthesis inhibitors
  • polyenes
  • allylamines
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6
Q

tinea capitis

A
  • scalp
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7
Q

tinea corporis

A
  • trunk

- extremities

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8
Q

ringworm

A
  • tinea corporis
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9
Q

tinea manuum

A
  • hands
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10
Q

tinea pedis

A
  • ‘athletes foot’
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11
Q

What is a ddx of tinea pedis and how do you tell the difference?

A
  • contact dermatitis does not involve area between toes
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12
Q

tinea cruris

A
  • groin

- ‘jock itch’

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13
Q

tinea barbae

A
  • beard

- neck

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14
Q

tinea faciale

A
  • face
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15
Q

tinea unguium

A
  • nail

- ‘onychomycosis’

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16
Q

ectothrix

A
  • conida form on the exterior of the hair shaft

- hair is destroyed

17
Q

What are the two types of ectothrix?

A
  • green/yellow fluorescence

- nonlfuroescent

18
Q

What are green/yellow fluroecent ectothrix?

A
  • Microsporum species
19
Q

What are the non fluorescent ectothrix?

A
  • Trichophyton species
20
Q

endothrix

A
  • conida form within the hair shaft
  • shaft filled with hyphae and spores
  • hair is not affected or destroyed
21
Q

What type of species is an endothrix?

A
  • non fluorescent

- Trichophyton

22
Q

kerion

A
  • thick plaques and boggy skin

- Microsporum canis

23
Q

What can be odd presentation with tinea?

A
  • Id reaction

- tinea incognito

24
Q

What is tinea incognito?

A
  • result of a prior treatment with hydrocortisone causing atypical appearance
25
Q

How is tinea diagnosed?

A
  • direct microscopic exam
  • fungal cultures
  • UV light
26
Q

What is the treatment for tinea corporis?

A
  • topical agents
27
Q

What is the treatment for tinea capitis and nail infections?

A
  • oral antifungals
28
Q

What causes tinea versicolor?

A
  • Malassezia furfur

- yeast

29
Q

How does tinea versicolor present?

A
  • hypo or hyperpigmentated macules that do not tan
30
Q

What is the treatment for tinea versicolor?

A
  • selenium sulfide shampoo 15min x 7d

- ketoconazole 1 po and no shower for 18 hrs

31
Q

How do onychomycosis present?

A
  • hyperkeratosis

- yellow-white or white

32
Q

How is onychomycosis diagnosed?

A
  • direct microscopy with 20% KOH
  • cultures
  • PCR
  • dermoscopy
33
Q

What is the treatment of onychomycosis?

A
  • oral antifungals

Clin Med I - Dermatology (10 decks)

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