Flashcards in Pulmonary Fungal Infection 2 Deck (11)
what are the major human opportunistic mycoses?
what is the most important predisposition for the opportunistic mycoses?
prolonged neutropenia due to
2) aplastic anemia
3) arsenic poisoning
5) chemo/radiation therapy
7) hereditary disorders
8) vitamin def
11) splenic sequestration
what are the 2 cryptococcosis?
1. Cryptococcus neoformans
2. Cryptococcus gatti
what are the characteristics of Cryptococcus neoformans?
2. found worldwide in soil contaminated with bird droppings (especially pigeon)
oval yeast with narrow-based buds and wide polysaccharide capsule
Is cryptococcosis thermally dimorphic?
no, does not have a moldlike sexually reproducing form in environment called filobasidiella neoformans
how is cryptococcus transmitted?
by inhalation via pigeon droppings may be contagious for years
lung infection may be
asymptomatic or lead to pneumonia
what is unique about meningitis caused by cryptococcus?
1. fever and stiff neck are less common which arise from inflammation
2. associated with sensory issues with eyes or ears
what are focal neurologic defects called due to cryptococcus?