Aspergillus Fumigatus-Asparagus Farm Flashcards

(17 cards)

1
Q

What is the state of catalase in Aspergillus Fumigatus

A

Catalase positive

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2
Q

What is the product produced by Aspergillus Flavus associated with cancer

A

Aflatoxin

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3
Q

What cancer is aflatoxin produced by Aspergillus Flavus associated with

A

Hepatocellular carcinoma

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4
Q

Histologically, what are the characteristics of Aspergillus Fumigatus

A

Branching at an acute angle with septations. Contains candiophore fruiting bodies

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5
Q

What form of Aspergillus Fumigatus is infectious

A

Conidiophores are inhaled

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6
Q

What is the method of transmission for Aspergillus Fumigatus

A

Inhalation of fruiting conidiophores

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7
Q

What are the three forms of infection caused by Aspergillus Fumigatus

A

1) Allergic bronchopulmonary aspergillus (ABPA)
2) Aspergillomas
3) Angioinvasive aspergillosis

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8
Q

What type of hypersensitivity is Aspergillus Fumigatus causing allergic bronchopulmonary aspergillus (ABPA)

A

Type 1

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9
Q

Which antibody level will be elevated in Aspergillus Fumigatus caused allergic bronchopulmonary aspergillus (ABPA)

A

IgE

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10
Q

What are the conditions caused by Aspergillus Fumigatus induced allergic bronchopulmonary aspergillus (ABPA)

A

Wheezing (asthma), fever, migratory pulmonary infiltrate

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11
Q

What infection is generally predisposing patients to Aspergillus Fumigatus casing aspergillomas

A

Cavity causing diseases, highly associated with TB

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12
Q

What are the characteristics of Aspergillus Fumigatus caused aspergillomas

A

Gravity dependent fungus balls, so they are found at the bottom of the cavity

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13
Q

Which patient population is prone to Aspergillus Fumigatus causing angioinvasive aspergillosis

A

Immunocompromised patients, particularly pts with neutropenia from leukemia or lymphoma

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14
Q

What are the clinical effects of Aspergillus Fumigatus causing angioinvasive aspergillosis

A

Invades blood vessels and tissues

-Causes kidney failure, endocarditis, nasal sinus invasion and key ring enhancing lesions in brain

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15
Q

Which CT finding is indicative of Aspergillus Fumigatus causing angioinvasive aspergillosis

A

Ring enhancing lesions in the brain

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16
Q

What is the treatment for milf Aspergillus Fumigatus infections

17
Q

What is the treatment for serious and angioinvasive Aspergillus Fumigatus infection

A

Amphotericin B