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Pulmonary Mycoses
Exam 6 Material
18
Medical
Graduate
12/06/2010

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Term
CXR of patient with histoplasmosis will often reveal what findings?
Definition
patchy pneumonitis, hilar/mediastinal lymphadenopathy
Term
What are the forms of pneumonia that histoplasmosis typically causes?
Definition
bronchial pneumonia, interstitial pneumonia, or cavitary pneumonia (although never typical-- more likely to be strep pneumo in that regards)
Term
Coin lesion on the chest CXR can indicate what three etiologies?
Definition
TB, Histoplasmosis, and HIV/AIDS
Term
Generally why is a histoplasmin skin test not done?
Definition
May bump up the serological reactivity and generate a false-positive reading
Term
On culture, what feature is diagnostic of histoplasmosis?
Definition
tuberculate macroconidia
Term
A disseminated course of histoplasmosis can cause hepatosplenomegaly, pericarditis, or Addison's. T or F?
Definition
T
Term
Treatment for adults infected with histoplasmosis is generally not considered for what sequelae conditions?
Definition
mild to moderate pulmonary histo, mediastinal granuloma/fibrosis or lymphadenitis, and pulmonary nodule (by itself, could be benign, something else)
Term
Which group is most likely to get erythema nodosa when infected with histoplasmosis capsulatum? Why?
Definition
Caucasian females/ because they are less likely to have a disseminated course of histoplasmosis, they will more likely have a type IV hypersensitivity reaction that manifests itself as red, painful bumps on the shins.
Term
What are some of the potential manifestations of disseminated histoplasmosis?
Definition
Addison's disease, hilar lymphadenopathy, pericarditis, and hepatosplenomegaly
Term
Fever of Unknown Origin is most likely caused by what type of infection?
Definition
fungal infection
Term
What is added to the culture to prevent growth of contaminating fungi when trying to grow Histoplasmosis?
Definition
mycosel
Term
Risk of coccidioidomyocosis dissemination increases in which populations?
Definition
AIDS, male, dark-skinned, preggers, diabetes
Term
What is the only communicable form for systemic, dimorphic mycosis?
Definition
disseminated cutaneous blastomycosis
Term
What disease is also known as South American blastomycosis?
Definition
paracoccidioidomycosis
Term
Which fungus' morphology is described as a "pilot's wheel"?
Definition
paracoccidioidomycosis
Term
What is the primary way people get cryptococcus neoformans?
Definition
inhalation of aerosolized avian feces
Term
The purpose of the LCAT in diagnosing cryptococcus neoformans is to measure what?
Definition
glucuronoxylomannan (GXM)
Term
What antibiotic is used to treat pneumocystis pneumonia?
Definition
TMP-SMX (bactrim)
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