myco Flashcards
(111 cards)
1
Q
Chromoblastomycosis
“fonseka’s Pedro’s Compact Car is Very Wet”
A
Fonsecaea pedrosoi Fonsecaea compactum Cladosporium carrionii Phialophora verrucosa Exophilia aquaspersa
2
Q
Fungi that Fluoresce
A
"All Good Cats and Dogs Fight Sometimes" A udouinii G ypseum C anis D istorteum F errugineum S choenleinii
3
Q
Trichophyton Species
A
“Say Say Violet, You’re Going Right to Town” S udanese S choenleinii V iolaceum Y aoundei G ourvilii R ubrum T onsurans
4
Q
Actinomadura madurae
A
yellow – white
5
Q
Actinomadura pelletieri
A
red – most common in Africa
6
Q
Nocardia asteroides– common in Central America
A
white
7
Q
Nocardia brasiliensis found Mexico (most common; acid fast)
A
white
8
Q
N. otitidiscaviarum
A
white
9
Q
Nocardiopsis dassonvillei
A
cream
10
Q
Streptomyces somaliensis
A
yellow – white to brown
11
Q
Rhinosporidiosis
Protothecosis
A
Non-Fungi Causing Fungal-like Disease
12
Q
• Polyps and granulomatous lesions in nose, mouth, and eyes
A
Rhinosporidiosis
13
Q
Rhinosporidium seeberi aquatic protozoa
• Large sporangium 250-350 microns that look like raspberries
• Red with mucicarmine
A
Rhinosporidiosis
14
Q
- Cryptococcus
- Histoplasmosis
- Penicilliosis
- Coccidioidomycosis
A
Umbilicated Lesions
15
Q
Prototheca wickerhamii
• Achloric algae
A
Protothecosis
16
Q
• Morula - “soccer ball” 8-20 microns
A
Protothecosis
17
Q
- Immunocompromised patients
* Olecranon bursitis common
A
Protothecosis
18
Q
Cryptococcosis #1
A
• C. neoformis
19
Q
- HIV disease
* Pigeon droppings
A
Cryptococcosis
20
Q
- Capsulated
- Gelatinous and granulomatous pattern
- India ink for capsule
A
Cryptococcosis
21
Q
• #1 opportunistic fungus #1
A
Candidiasis
• C. albicans
22
Q
- fluconazole resistance
A
• C. glabrata
23
Q
• C. parapsilosis -
A
chronic paronychia
24
Q
• C. tropicalis -
A
disseminates to skin
25
• C. dubliniensis -
mucosal disease in HIV
26
• Absidia, Rhizopus, Mucor
Zygomycetes
27
• Vascular invasion with necrosis of tissue
Zygomycetes
28
– Acidotic DM
• Rhinocerebral
29
• Non-septate, wide-ribbon-like hyphae with 90-degree branching
Zygomycetes
30
#1Zygomycetes
• Rhizopus
31
Hyalohyphomycosis
• Non-pigmented hyphae
32
– Looks like aspergillus on biopsy, is a Hyalohyphomycosis
• Fusarium
33
– #1 in burn patients
| – Necrotic
• Fusarium
34
• Dematiaceous fungi
Phaeohyphomycosis
35
• Alternaria -
hand grenade Phaeohyphomycosis
36
• Curvularia
- curved Phaeohyphomycosis
37
• Exophilala, bipolaris, wangiella
Phaeohyphomycosis
38
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• Ubiquitous in nature
• Opportunistic
• Pulmonary
• Cutaneous
– Due to trauma
– Hemorrhagic and escharotic
```
Aspergillosis
39
Aspergillosis #1
• A. fumigatus
40
* Septate hyphae with 45-degree angle branching
| * Conidia with fruiting heads
Aspergillosis #1
41
• Bamboo rats (Southeast Asia)
Penicilliosis
42
• “Hand bones” or “broom” appearance
Penicilliosis
| – Cladosporum looks similar
43
Penicilliosis acused by
• P. marneffei
44
• Molluscum-like
Penicilliosis
45
Sickle-shaped
Fusarium
46
• Vase of flowers appearance
Phialophora
47
* Primary disease in lung
* Supraclavicular LAD
* Destructive facial lesions
* Brazil
Paracoccioidomycosis
48
Rhinocladiella appearance
• Bottle-brush
49
• “Mariner’s wheel”
Paracoccioidomycosis
50
• P. brasiliensis
Paracoccioidomycosis
51
Histoplasmosis• Primary skin disease is
| common T/F
F rare
52
* River valleys in East (Ohio)( EOH)
| * Bat and bird (starling) guano
Histoplasmosis
53
• H. capsulatum
| Small organisms on histopathology
Histoplasmosis
54
* Southeast US (EB)
| * Pulmonary
Blastomycosis• B. dermatitidis
55
– Face
– Mucous membranes
• Verrucous and ulcerative
Blastomycosis• B. dermatitidis
56
• Thick-walled, broad-based budding
Blastomycosis
57
• C. immitis
Coccidioidomycosis
58
* Southwest(WC)
| * Pulmonary
Coccidioidomycosis
59
• Very rare skin
Coccidioidomycosis
| Histoplasmosis
60
* Dematiaceous
| * Soles, webs, paronychia, and nails
Scytalidium
61
* Keloidal
* Dolphins frequently infected
* “Chain of coins”
Lobomycosis
62
• Lacazia loboi (Loboa loboi - older
| name)
Lobomycosis
63
Chromoblastomycosis #1
• Fonsecaea pedrosoi
64
• “Copper pennies” on path
• Saprophytic
65
* Foot #1
| * Tumefaction, sinuses, grains
Mycetoma
66
• Hyphae with “delicate daisies”
Sporotrichosis
| • S. schenckii
67
* Lives in soil
| * Direct inoculation
Sporotrichosis
68
Sporotrichosis Rx
• Itraconazole, SSKI
69
true fungus
Eumycotic -Mycetoma
70
filamentous bacteria
Actinomycotic -Mycetoma
71
– Bullous T. pedis
– Spiral hyphae
– Urease +
T. mentag
72
• T. concentricum
– Antler-like
73
– Chains of macroconidia
• T. verrucosum
74
– Tortuous, branching hyphae
• T. violaceum
75
– Favus
| – “Antler-like” favic chandeliers
• T. schoenleinii
76
– “Birds on a wire”
| – Pencil macroconidia
• T. rubrum
77
– #1 T. capitis in US
• T. tonsurans
78
– #1 dermatophyte worldwide overall
• T. rubrum ( not for tinea capitis)
79
– “Balloons on a wire”
– Torpedo macroconidia
– Thiamine
• T. tonsurans
80
– T. cruris and pedis
– NO HAIR
– Beaver-tail or “snowshoe” appearance
• E. floccosum
81
– Formerly #1 in T. capitis
• M. audouinii
82
– Pointed ends
• M. audouinii
83
– #1 T. capitis worldwide
• M. canis
84
– “Dog-tails”
| – Thick-walled
M. canis
85
– Geophilic
• M. gypseum
86
– “Pig snout”
• M. nanum
87
– Wedge-shaped hair changes
| no pigment production
T. mentag
88
no change in hair shaft
• T. rubrum
89
– Pigment producing
T. rubrum
90
T. equine-
niacin
91
T. megninii-
histadine
92
– T. concentricum
| – Polycyclic scaly plaques
• T. imbricata
93
• T. unguium
– Distal Lateral Subungual
94
T. flocc, T. mentag
– Interdigital - T. pedis
95
E. flocc, T. rubrum
– Moccasin -T. pedis
96
– E. floccosum, T. rubrum and mentag
• T. cruris
97
• T. profunda
– Verrucous lesions
98
• Majocchi’s
– T. rubrum
99
• T. barbae
– T. mentag and verrucosum
-
- inflammatory
100
• T. barbae
| – T. violaceum and rubrum
- superficial
101
• T. barbae– M. canis -
abscess
102
• T. barbae– E. floccosum
– Verrucous
103
• P. versicolor #1 cause
– Malassezia globosa
104
• M. canis, tonsurans, verrucosum, mentag
– Kerion
105
– T. rubrum, mentag, tonsurans and M. canis
• T. corporis
106
• T. rubrum, gourvilli, yaounde, tonsurans,
| schoenleinii, violaceum
– Endothrix
| • Black dot ringworm
107
– T. mentag, rubrum, verrucosum, megninii, gypseum, nanum
• Nonfluorescent
108
– Wood’s lamp color TV
| – Olive oil overlay
– Lipophilic, yellow
109
Trichosporanosis can cause
| in immunocompromised
• Systemic disease
110
• Piedraia hortae color
– Black
111
• Trichosporon beigelii
– White
