Term
| How do humans inoculate subcutaneous mycoses organisms into skin? |
|
Definition
| Through trauma splinter/thorn |
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Term
True or False:
Subcutaneous MOs tend to be long term & chronic |
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Definition
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Term
True or False:
Subcutaneous MOs tend to disseminate |
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Definition
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Term
True or False:
Subcutaneous MOs tend to be localized; usually don't disseminate |
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Definition
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Term
True or False:
Most Subcutaneous MOs are saprophytic |
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Definition
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Term
| Where are most Subcutaneous Mycoses MOs found? |
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Definition
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Term
| What organism is tied to Sporotrichosis? |
|
Definition
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Term
| What type of fungus is Sporothrix schenckii? |
|
Definition
|
|
Term
| Where can Sporothrix schenckii be found? |
|
Definition
World wide
Associated with plant material |
|
|
Term
| What is the disease, acquired thru trauma, that is associated with Sporothrix schenckii? |
|
Definition
|
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Term
| Describe the Sporothrix schenckii infection site |
|
Definition
Primary lesion: nonhealing
With time - nodular lesions
Follow lymphatics
Nodules break down & ulcerate |
|
|
Term
| What may Sporothrix schenckii cause? |
|
Definition
| Pulmonary or visceral infections |
|
|
Term
| What specimens do you use for Sporotrichosis? |
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Definition
|
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Term
| Direct exam of Sporotrichosis is seldom helpful, but you may see what? |
|
Definition
|
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Term
| Does Sporothrix schenckii grow slowly or quickly? |
|
Definition
|
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Term
| At first, what does Sporothrix schenckii look like? |
|
Definition
|
|
Term
True or False:
Sporothrix schenckii turns black as it gets older |
|
Definition
|
|
Term
| Is Sporothrix schenckii dematiaceous? |
|
Definition
| No; With LPCB the hyphae are blue |
|
|
Term
| Describe the hyphae of Sporothrix schenckii |
|
Definition
|
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Term
| What do you see at the tip of the conidiophore of Sporothrix schenckii? |
|
Definition
| Cluster of conidia "Flowerette" |
|
|
Term
True or False:
You need to convert Sporothrix schenckii to the yeast phase to be able to identify |
|
Definition
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Term
| How do you convert Sporothrix schenckii to the yeast phase? |
|
Definition
1. inoculating culture onto blood agar
2. incubating at 35 degrees Celsius
3. look for yeast forms |
|
|
Term
| What does the yeast form of Sporothrix schenckii look like? |
|
Definition
| Cigar-shaped, oval, spherical |
|
|
Term
| What is the pigmentation in Chromoblastomycosis caused by? |
|
Definition
|
|
Term
| Where are the most cases of Chromoblastomycosis found at? |
|
Definition
|
|
Term
| What is the disease associated with Chromoblastomycosis? |
|
Definition
|
|
Term
| What develops at site of Chromoblastomycosis inoculation? |
|
Definition
|
|
Term
| With Chromoblastomycosis, the papule spreads, what does it form? |
|
Definition
|
|
Term
| Describe the Warty/tumorlike lesions left behind by Chromoblastomycosis |
|
Definition
|
|
Term
| Is Chromoblastomycosis contagious? |
|
Definition
|
|
Term
| Describe the Direct Exam with KOH for Chromoblastomycosis |
|
Definition
Sclerotic bodies: "Copper Pennies"
Copper-colored
Septate cells, appear to be dividing |
|
|
Term
| Are Chromoblastomycosis MOs generally dematiaceous and slow growing? |
|
Definition
|
|
Term
| Name the 3 genera in the U.S.A. that cause Chromoblastomycosis |
|
Definition
Cladosporium
Phialophora
Fonsecaea |
|
|
Term
| Identification of Chromoblastomycosis is based on what? |
|
Definition
|
|
Term
Choose the word that is linked with the following word:
Mycetoma |
|
Definition
|
|
Term
| Where is Mycetoma common at? |
|
Definition
| Tropical and subtropical areas |
|
|
Term
| What is the disease associated with Mycetoma? |
|
Definition
Chronic granulomatous infection
-tumorlike deformities
-may lead to amputation |
|
|
Term
| Are Granules present in Mycetoma MOs? |
|
Definition
|
|
Term
True or False:
Mycetoma MOs often have secondary bacterial infections |
|
Definition
|
|
Term
| What are Eumycotic MOs caused by? |
|
Definition
|
|
Term
| What is the most common cause of mycetoma in the U.S.A.? |
|
Definition
|
|
Term
| Describe the Hyaline mold of Pseudallescheria boydii |
|
Definition
|
|
Term
| What type of patients most often have Pseudallescheria boydii? |
|
Definition
| Immunocompromised patients |
|
|
Term
| Name the 3 Actinomycotic organisms discussed in lecture |
|
Definition
Nocardia
Streptomyces
Actinomyces |
|
|
Term
True or False:
Need to distinguish which type of infection a patient has since eumycotic & actinomycotic treatment is different |
|
Definition
|
|
Term
| What type of media do you need to include since Nocardia can be inhibited by antibiotics? |
|
Definition
| Media without antibiotics |
|
|
Term
| How are common contaminants identified? |
|
Definition
| Macroscopic & Microscopic Characteristics |
|
|
Term
| Name the 2 Dematiaceous Common Contaminants described in lecture |
|
Definition
|
|
Term
| Describe the Conidia of Alternaria |
|
Definition
Resemble drumsticks
Contain horizontal & longitudinal septa |
|
|
Term
| Describe the Conidia of Curvularia |
|
Definition
Enlarged central cell -> curve;
"Bent-knee" |
|
|
Term
| Name the 3 Hyaline Mold Common Contaminants described in lecture |
|
Definition
Fusarium
Penicillium
Aspergillus |
|
|
Term
| Describe the Conidia of Fusarium |
|
Definition
| Septate/Sickle-, Boat Shaped |
|
|
Term
| What is the most common cause of mycotic keratitis? |
|
Definition
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