Medical Mycology Species/Diseases Flashcards

1
Q

Treatment:

White piedra

A

Removal of infected hair

Improved hygiene

Topical azoles

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1
Q

Which fungi causes the various forms of tineas or ringworm?

A

Dermatophytes

Trichophyton, Epidermophyton, Microsporum

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1
Q

What is itraconazole used for?

A

treating Lymphocutaneous sporotrichosis (Sporothrix schenckii)

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2
Q

treatment for tineas involving hair and nails?

A

oral antifungal agents

griseofulvin, azoles, terbinafine

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3
Q

What does Microsporum cause?

A

tineas or ringworm

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3
Q

treatment for chronic skin infections involve T. rubum (tineas)?

A

oral antifungal agents may be necessary

griseofulvin, azoles, terbinafine

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4
Q

Which fungi cause Lymphocutaneous sporotrichosis?

A

Sporothrix schenckii

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4
Q

Which disease?

nodule lesion that will eventually ulcerate, mildly painful

infection can spread through lymphatics, series of linear nodules will appear

A

Lymphocutaneous sporotrichosis (Sporothrix schenckii)

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5
Q

safe treatment of Lymphocutaneous sporotrichosis (Sporothrix schenckii) with no side effects?

A

itraconazole

must be administered for a long periord of time

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6
Q

alternative treatments for AIDS patients with pneumocystis pneumonia?

A

pentaminidine

trimethoprimdapsone

clindamcyin-primaquine

atovaquone

trimetrexate

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8
Q

infection/disease of:

Hortaea werneckii/Exophiala werneckii

A

Tinea nigra

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9
Q

What does Trichophyton cause?

A

tineas or ringworm

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10
Q

Causes frothy pulmonary edema, death by asphyxia

A

Pneumocystis pneumonia

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11
Q

What does Sporothrix schenckii cause?

A

Lymphocutaneous sporotrichosis

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13
Q

infection/disease of:

Trichosporon (T. inkin, T. asahii, T. mucoides)

A

white piedra

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13
Q

Which fungi causes Pneumocystis pneumonia (PCP)?

A

Pneumocystis jirovecii/Pneumocystis carinii

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14
Q

What does Epidermophyton cause?

A

tineas or ringworm

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15
Q

Treatment:

Pityriasis (Tinea) versicolor

A
  • Localized: treat with topical azoles or selenium sulfide shampoo
  • Widespread: treat with oral azole
16
Q

What kind of mycosis?

Trichophyton

A

Cutaneous

Dermatophytes/Dermatophytose

16
Q

What do dermatophytes cause?

A

tineas or ringworm

18
Q

What disease/species causes these syndromes?

  • Hard dark nodules that surround the hair shaft
  • Asci/ascospores present in cement-like substance that holds the hyphal mass together
A

Black piedra

Piedraia hortae

19
Q

What causes pityriasis (tinea) versicolor?

A

Malassezia furfur

19
Q

What disease/species causes these syndromes?

  • Small hypopigmented or hyperpigmented macules
  • Affected areas do not tan
A

Pityriasis (Tinea) versicolor

Malassezia furfur

20
Q

What disease/species causes these syndromes?

  • Solitary, irregular pigmented macule
  • Usually on the palms or soles
  • Can resemble malignant melanona, not contagious
A

Tinea nigra

Hortaea werneckii/Exophiala werneckii

21
Q

What causes white piedra?

A

Trichosporon (T. inkin, T. asahii, T. mucoides)

21
Q

side effects of potassium iodide solution given to treat Lymphocutaneous sporotrichosis in developing countries?

A

nausea, salivary gland enlargement

23
Q

What kind of mycosis?

Pneumocystis jirovecii/Penumocystis carinii

A

Opportunistic

25
Q

What kind of mycosis?

Microsporum

A

Cutaneous

Dermatophytes/Dermatophytoses

26
Q

What disease/species causes these syndromes?

  • Affects hair of groin and axillae
  • Fungus surrounds the hair shaft and forms a white-brown swelling around the hair strand
A

White piedra

Trichosporon (T. inkin, T. asahii, T. mucoides)

28
Q

Treatment:

Tinea nigra

A

Responds well to topical agents: azoles and terbinafine

30
Q

What does Pneumocystis jirovecii/Pneumocystis carinii cause?

A

Pneumocystis pneumonia (PCP)

31
Q

treatment of Pneumocystis pneumonia?

A

trimethoprim-sulfamethox azole (Bactrim)

32
Q

Treatment:

Black piedra

A

Haircut

Proper/regular hair washings

Topical antifungal agents

33
Q

supportive measures for AIDS patients with Pneumocystis pneumonia?

A

oxygen

34
Q

What kind of mycosis?

Epidermophyton

A

Cutaneous

Dermatophytes/Dermatophytoses

35
Q

treatment for tineas that do not involve the hair or nails?

A

topical antifungal agents

azoles, terbinafine

36
Q

infection/disease of:

Malassezia furfur

A

Pityriasis (Tinea) versicolor

37
Q

What causes tinea nigra?

A

Hortaea werneckii/Exophiala werneckii

38
Q

infection/disease of:

Piedraia hortae

A

black piedra

40
Q

What kind of mycosis?

Sporothrix schenckii

A

Subcutaneous

41
Q

treatment for tineas of the nail?

A

PinPoint laser therapy

42
Q

treatment for lymphocutaneous sporotrichosis (Sporothrix schenckii) in developing countries?

A

oral potassium iodid solution

43
Q

What causes black piedra?

A

Piedraia hortae

44
Q

cutaneous mycoses

A

dermatophytes/dermatophytoses

(Trichophytan, Epidermophyton, Microsporum)