5-CUTANEOUS-FUNGI Flashcards
1
Q
- Affects the dermis and its appendages (hair follicles, nails)
A
CUTANEOUS FUNGI (DERMATOPHYTES)
2
Q
- causes “ring-worm” disease on the skin, hair and nails especially the stratum corneum
A
CUTANEOUS FUNGI (DERMATOPHYTES)
3
Q
- an infection of the spaces between the toes
A
Tinea pedis
4
Q
- Also known as “athlete’s foot”
A
Tinea pedis
5
Q
- Caused by Trichophyton and Epidermophyton
A
Tinea pedis
6
Q
- Clinical manifestation: itching and scaling
A
Tinea pedis
7
Q
- infection of smooth skin
A
Tinea corporis
8
Q
- Also known as “ring worm”
A
Tinea corporis
9
Q
- Caused by Microsporum and Trichophyton
A
Tinea corporis
10
Q
- Clinical manifestation: circular patches on scaly skin
A
Tinea corporis
11
Q
- infection of the nails
A
Tinea unguium
12
Q
- Also known as “onychomycosis”
A
Tinea unguium
13
Q
- Caused by Microsporum and Trichophyton
A
Tinea unguium
14
Q
- Clinical manifestation: yellow discoloration, thickening, and
progressive destruction of the nails
A
Tinea unguium
15
Q
- infection of the scalp
A
Tinea capitis
16
Q
- Caused by Microsporum and Trichophyton
A
Tinea capitis
17
Q
- Clinical manifestation: circular, bald patches on the
scalp
A
Tinea capitis
18
Q
- infection of beard hair
A
Tinea barbae
19
Q
- Also known as “barber’s itch”
A
Tinea barbae
20
Q
- Caused by Microsporum and Trichophyton
A
Tinea barbae
21
Q
- Clinical manifestation: scaling and skin lesions
A
Tinea barbae
22
Q
- infection of the groin
A
Tinea cruris
23
Q
- Also known as “jock itch”
A
Tinea cruris
24
Q
- Caused by Trichophyton and Epidermophyton
A
Tinea cruris
25
- Clinical manifestation: scaling and itching of the groin
area
Tinea cruris
26
Area Affected
Hair/skin
Microsporum
27
Area Affected
Hair/skin/nails
Trichophyton
28
Area Affected
Skin/nails
Epidermophyton
29
Macroconidia
+
Microsporum
30
Macroconidia
+
Epidermophyton
31
Macroconidia
+
Epidermophyton
32
Microconidia
+
Microsporum
33
Microconidia
Many
Trichophyton
34
Microconidia
-
Epidermophyton
35
Teleomorph
+
Microsporum
36
Teleomorph
+
Trichophyton
37
Teleomorph
-
Epidermophyton
38
Slow growers
Microsporum
39
SABHI at room temperature: light tan, with a salmon-colored reverse
Microsporum
40
- SABHI at room temperature: colonies within 7 to 10 days
Trichophyton
41
- Buff Granular Colonies: rose to tan colored, with a yellow, brown, or red
reverse within 7 days
Trichophyton
42
- White Fluffy Colonies: with a colorless to yellow reverse after 10 days
Trichophyton
43
MACROCONIDIA:
- rough/thin walled, spindle-shaped, contain 4-15 cells, and are numerous in
number
Microsporum
44
MICROCONIDIA:
- club-shaped, single, and few in number
Microsporum
45
- Macroconidia: smooth/thin walled, pencil shaped, contain 3-7 cells, and are
few in number
Trichophyton
46
- Microconidia: round to club-shaped in grapelike clusters and are few to
numerous in number
Trichophyton
47
- Tinea capitis
Microsporum audonii
48
- ectothrix hair infection fragmentation of the mycelium around the hair shaft; outside the hair shaft
Microsporum audonii
49
- common among children
Microsporum audonii
50
- most clinically significant
Microsporum audonii
51
- Gray patch Tinea capitis in children and Tinea corporis (skin)
Microsporum canis
52
- Zoophilic – animals
Microsporum canis
53
- Ectothrix
Microsporum canis
54
- T. capitis, T. corporis
Microsporum gypseum
55
- Geophilic – soil
Microsporum gypseum
56
- MOT: contact w/ infected soil
Microsporum gypseum
57
- Tinea cruris, Tinea manuum (hands), Tinea unguium
Epidermophyton flocossum
58
- Common in camps, athletes, jails and dorms(unorganized areas)
Epidermophyton flocossum
59
Wood’s Lamp Positive
Microsporum audonii
60
Wood’s Lamp Positive
Microsporum audonii
61
- flat and velvety; tan to light gray with beige or reddish brown reverse
Microsporum audonii
62
- flat with radial grooves
Microsporum canis
63
- cottony
Microsporum canis
64
granular, tan to orange or cinnamon- pink obverse and reverse within 5 to 6 days
Microsporum gypseum
65
- SABHI at room temp.: yellow with a tan reverse within 10 days
Epidermophyton flocossum
66
- SDA at room temperature: khaki- yellow with tan reverse
Epidermophyton flocossum
67
- Macroconidia: large and distorted
Microsporum audonii
68
- Microconidia : Terminal intercalary
vesicles, Pectinate, Racquet
Microsporum audonii
69
- Hyphae: hyaline septate, branched or
racquet shaped
Microsporum canis
70
- Macroconidia: large spindle shaped,
asymmetrical beak-shaped apex, 6-
15 cells
Microsporum canis
71
- Microconidia: single-celled
Microsporum canis
72
- Echinulate thick-outer wall: spikey
or thorny wall
Microsporum canis
73
- Hyphae: hyaline septate
Microsporum gypseum
74
- Macroconidia: elliptical/cucumber-shaped containing 4-6 cells
Microsporum gypseum
75
- Microconidia: clavate
Microsporum gypseum
76
- Macroconidia: smooth/thin walled,
club-/snowshoe-/padlle-/beaver’s tail
shaped
Epidermophyton flocossum
77
- Miconidia: negative
Epidermophyton flocossum
78
T. manuum, cruris, corporis, capitis, barbae (beard), unguium
Trichophyton mentagrophytes
79
- Hair Perforation or Hair Baiting Test Positive
o 20 strands of hairs
Trichophyton mentagrophytes
80
- Hyphae: Hyaline septate, branched
Trichophyton mentagrophytes
81
- Macroconidia: cigar shaped
Trichophyton mentagrophytes
82
- Microconidia: grape-like structure
Trichophyton mentagrophytes
83
- favic chandeliers
Trichophyton mentagrophytes
84
- nail head
Trichophyton mentagrophytes
85
- spiral hyphae
Trichophyton mentagrophytes
86
- Hair Perforation Test Negative
Trichophyton rubrum
87
- PDA: forms deep red reverse
Trichophyton rubrum
88
- Differential culture media
Trichophyton rubrum
89
- Macroconidia: pencil shaped; large with blunt distal end with a flat base
Trichophyton rubrum
90
- Microconidia: tear drop borne en thryses
Trichophyton rubrum
91
Tinea favosa (favus)
Trichophyton schoenleinii
92
Hyaline: Favic chandelier, hyaline septate
Trichophyton schoenleinii
93
- black dot Tinea capitis
Trichophyton tonsurans
94
- Hyphae: spiral with terminal swellings
Trichophyton tonsurans
95
- Macroconidia: short and blunt
Trichophyton tonsurans
96
- Microconidia: truncate (cut-
off); matchstick
Trichophyton tonsurans
97
- Hair Perforation Test Negative
Trichophyton verrucosum
98
- SDA or PDA: produces chlamydoconidia
Trichophyton verrucosum
99
- Thiamine-enriched media: elongated rat-tail macroconidia
Trichophyton verrucosum
100
- Intercalary vesicle
Microsporum audonii
101
- Pectinate hyphae
Microsporum audonii
102
- Racquet-shaped hyphae
Microsporum audonii
103
Spindle-shaped macroconidia of M. canis
Microsporum canis
104
Round tip, flat base macroconidia of M. gypseum
Microsporum gypseum
105
- Macroconidia of E. floccosum
Epidermophyton flocossum
106
- Snowshoes
Epidermophyton flocossum
107
-Beaver’s tail
Epidermophyton flocossum
108
Cigar-shaped macroconidia of T. mentagrophytes
Trichophyton mentagrophytes
109
- Pencil-shaped macoconidia of Trichophyton rubrum
Trichophyton rubrum
110
- Tear drop-shaped microconidia of Trichophyton rubrum
Trichophyton rubrum
111
Tinea favosa
Trichophyton schoenleinii
112
- matchstick shaped microconidia of Tricophyton tonsurans
Trichophyton tonsurans
113
- Black dot tinea capitis
Trichophyton tonsurans
