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Cryptococcosis. Cryptococcosis is a chronic mycotic infection caused by Cryptococcus
neoformans variation neoformans and Cryptococcus neoformans var. ...
... secondary infections. Some examples include FeLV, chronic parasitism,
incontinence, cryptococcosis, seizures, and many more. It ...
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Toxoplasmosis of the brain (a protozoan infection) Cryptococcosis infection (a ...
Submitted by wendomi on April 11, 2005
Category: Science
Words: 1521 | Pages: 7
Views: 215
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Cryptococcosis is a chronic mycotic infection caused by Cryptococcus neoformans variation neoformans and Cryptococcus neoformans var. gattii, both considered opportunistic. Though the organism is usually harmless to humans, the yeast type fungus can severely affect those with severe immunosuppression, such as HIV and AIDS patients.
In 1894 Greifswal Medical Society was presented with a paper by a pathologist named Busse, stating that he managed to isolate yeast from a woman¡¦s tibia. It was noted the resistance to sodium hydroxide. At the same time yet another physician, a surgeon noted an exact report of the same organism from the same patient; this condition was later named Busse-Buschke disease. Later reports of cryptococcal infections ranged from simple colonization of the airways and asymptomatic infections of laboratory employees to meningitis or circulated disease. The number one factor in whether a person may or may not become infected by a strain of cryptococci is the immune status of the host; because most of the serious infections occur in patients with some form of immunosuppression. In fact, cryptococcosis has now become a major life-threatening fugal infection in AIDS patients (King MD).
The most common variation of Cryptococcus in the United States, and other mild climate regions of the world is C. neoformans var. neoformans. This variation is usually found in the fecal droppings of pigeons. On the other hand C. neoformans var. gattii is found in the tropical regions of the world and grows in around some species of eucalyptus trees, not from birds. The rate of maturity of this organism is very fast each cell is expected to reach maturity in as little as 3 days (Larone 55). Though this infection is prevalent in immunosuppressed patients it is not limited to them, in fact C neoformans var. gattii does not commonly infect those patients with weakened immune systems but is more commonly found in those considered healthy and...
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