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Cryptococcus neoformans

Summary of Cryptococcus neoformans
Cryptococcus neoformans is a heavily encapsulated yeast and an obligate aerobe. It is non-dimorphic and has narrow-based budding. It is often found in bird excrement and soil, and thus immunocompromised patients are at risk for opportunistic infection via inhalation and subsequent hematogenous spread. Its dissemination may lead to central nervous system involvement in the forms of cryptococcal meningitis and cryptococcal encephalitis.

Assessments
Cryptococcus neoformans

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High Yield Notes
12 pages
Flashcards

Cryptococcus neoformans

12 flashcards
Questions

USMLE® Step 1 style questions USMLE

2 questions

USMLE® Step 2 style questions USMLE

1 questions
Preview

A 45-year-old man is brought to the emergency department due to confusion and altered mental status. His friend, who brought him in, states the patient has been complaining of fevers accompanied by malaise for the past 2 weeks. The patient is currently living in a homeless shelter, but oftentimes he is seen sleeping on the streets by his friends. Medical history is unknown, but a month ago the patient was hospitalized for Pneumocystis jirovecii (formerly P. carinii) pneumonia. Temperature is 38.5°C (101.3°F), pulse is 80/min, and blood pressure is 135/85 mmHg. On physical examination, the patient is lethargic and mildly confused. Neck is supple, and there are no focal signs. The patient’s arms show multiple needle marks. The pathogen most likely responsible for this patient’s condition is most likely to show which of the following on further testing?  

External References