Fungi Flashcards
What type of fungi are a species of a variety of aseptate fungi, ubiquitous in environment, and affects those with diabetic ketoacidosis and neutropenia? Give an example of a dangerous aggressive one?
Mucormycosis do this, an example is
Rhinocerebral mucormycosis: a rapidly progressive disease that needs aggressive debridement and antifungal therapy
List the systemic Mycoses?
Candidiasis(also can be superficial) Coccidioidomycosis histoplasmosis blastomycosis cryptococcosis aspergillosis mucormycosis pneumocystosis
What is an opportunistic systemic mycoses that is:
Formally classified as a parasite
has an unknown reservoir but a respiratory route
that causes pneumonia with frothy exudate
has a risk factor of low CD4(AIDS) which is commonly life threatening
chest x ray with pulmonary infiltrates
Silver stain=cysts like crushed ping pong balls
is treated with trimethoprimsulfamethoxazole (prophylaxis)
Pneumocystis jiroveci
What is an opportunistic systemic mycoses that has:
Filamentous branched septate hyphae
Mold spores in air from PEANUTS GRAINS RICE
Gives u asthma (ige) after inhaled
Makes a fungus ball in your lungs
is associated with TB/cancer
makes you cough up blood because its angioinvasive
makes Aflatoxin which fucks with your liver and can give you cancer
Aspergillus fumigatus
What Systemic Mycoses come from bird and bat feces?
Histoplasma capsulatum
What systemic Mycoses come from soil, rotten wood and often happens in healthy people?
Blastomyces dermatitidis
Which systemic Mycoses comes from soil, causes mild pneumonia and is associated with AIDS?
Coccidioides immitus
Where do Histoplasmosis live?
in Macrophages
What do Blastomyces look like?
Broad Based Buding
BBB
What do Coccidioides look like?
they have Spherules
Where are Histoplasma and Blastomyces endemic in the united states?
Where the Missisissipppi Drains
What type of Mycoses is NEVER transmitted person to person, causes local lung infections and bloodstream dissemination, is fought off by CELL MEDIATED IMMUNITY and granulomas and can be:
Asymptomatic, Pneumia or Disseminated in terms of symptoms?
Systemic Mycoses
How do you diagnose systemic mycoses? What do we always treat?
Diagnose with Biopsly (grow on agar to see yeast) you ALWAYS treat Blastomyces
What is an opportunistic, systemic Mycoses that:
is an encapsulated yeast
coccus
from pigeon feces
ass with Meningitis
10% of AIDS patients have it
Fatal w/no treatment
Lumbar puncture to test cerebrospinal fluid
India ink will see capsule
Treated with Amphotericin B and Flucytosine
Cyyptococcus neoformans
How does Disseminated Candidiasis get into the body usually?
GI tract or IV catheter