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Microbiology 2ndsem Prelim > Cutaneous Mycoses > Flashcards

Cutaneous Mycoses Flashcards

1
Q

Cutaneous Mycoses caused by

A

Dermatophytes
Keratophillic
Utilizekeratin

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2
Q

Cutaneous Mycoses

Disease process is unique for two reasons

A
  1. No living tissue is invaded like the superficial Mycoses only dead tissue
  2. Dependent on human/animal for survival
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3
Q

Cutaneous Mycoses

3 anamorphic genera

A

Microsporon
Trichophyton
Epidermophyton

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4
Q

Microsporan

A

Microconidia rarely present
Macroconidia are numerous (except M. Audounii)
Found in skin and hair

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5
Q

Microsporon

M. Cania

A

Spindle shaped
Thick walled
Terminal knobs

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6
Q

Microsporon

M. gypseum

A

Thin rough walled macroconidia

Slightly rounded terminal knob

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7
Q

The only endothrix

A

Trichophyton

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8
Q

Trichophyton abundant in microcondia except

A

T. Schoenleinni

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9
Q

Trichophyton

Great plight microcondia
Pyrifrom microcondia with spiral or coiled hyphae

A

T. Mentagrophytes

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10
Q

Trichophyton

Tear drop microconidia
Pyrifrom and clavate microconida

A

T. Rubrum

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11
Q

No microconidia

Numerous macroconidia

A

Epidermophyton

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12
Q

Microsporon
Trichophyton
Epidermophyton

A

Microsporon - skin and hair
Trichophyton - skin , hair and nails
Epidermophyton - skin and nails

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13
Q

Epidermophyton

Smooth, thin walled
Club like macroconidia in cluster
Only involved in humans

A

E. Floccosum

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14
Q

Athletes foot
Chronic infection of toe webs
Itching between toes and vesicles

A

Tinea pedis

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15
Q

Onychomycosis
May follow prolonged Tinea pedis
Nails become yellow, brittle, tricked and crumbly

A

Tinea ungulum

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16
Q

Annular lesion of ring worm with scaly, central clearing surrounded by RED advancing border that may dry or vesicular

A

Tinea corporis

17
Q

Jock itch
Occurs in groin area
Males
Dry, itchy lesion starting on the scrotum and spread to the groins

A

Tinea cruris

18
Q

Involves the hands and fingers

Dry scaly lesions of one or both hands, single or more fingers

A

Tinea manus

19
Q

Chief cause of black dot capitis

Endothrix infection n

A

T. Tonsurans

20
Q

Ringworm of the scalp and bearded region

A

Tinea capitis and Tinea barbae

21
Q

Diagnosis

A

Wet mount with 10% KOH

22
Q

Diagnosis

Spore surrounding hair shaft

23
Q

Diagnosis

Spores inside hair shaft

24
Q

Characterized by saucer shaped

A

TINEA capitis

25
Q

Infected hair have a waxy of hyphal elements (scutulum) surrounding the base of the hair follicle at the scalp line

A

T. Schoenleinii

26
Q

May tables din

27
Q

Cutaneous Mycoses also called

Microbiology 2ndsem Prelim (5 decks)

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