Fungal/Parasitic CNS (Exam #3) Flashcards
What organism involves diphenol oxidase?
Cryptococcus neoformans
- Fungal CNS
What organism involves tachyzoites and bradyzoites?
Toxoplasma gondii
- Parasitic CNS
What organism involves zoitocysts and oocysts?
Toxoplasma gondii
- Parasitic CNS
What organism involves transmission via bird droppings, NOT communicable?
Cryptococcus neoformans
- Fungal CNS
What organism involves skin and pulmonary sxs that progress to meningoencephalitis?
Cryptococcus neoformans
- Fungal CNS
What organism involves the triad of chorioretinitis, hydrocephalus and intracranial calcifications?
Toxoplasma gondii
- Parasitic CNS
What is the triad seen with congenital Toxoplasma gondii (Parasitic CNS)?
- Chorioretinitis
- Hydrocephalus
- Intracranial calcifications
Diagnosis of Toxoplasma gondii (Parasitic CNS)?
IgM/IgG on ELISA
Which form of the life cycle in fungal/parasitic CNS organisms is infectious?
Cysts = infectious
- Trophozoites = functional
Which two fungal/parasitic CNS organisms can infect healthy individuals?
- Naegleria fowleri
- Balamuthia mandrillaris
Which fungal/parasitic CNS organism involves trophozoite of flagellate (2) and amoeba?
Naegleria fowleri
What organism involves PAM?
Naegleria fowleri
- Parasitic CNS
What organism can be spread via contact lens solution?
Acanthamoeba spp.
- Parasitic CNS
What organism involves spiked pseudopodia?
Acanthamoeba spp.
- Parasitic CNS
What organism involves GAM/GAE?
Acanthamoeba spp.
- Parasitic CNS
What organism involves Ocular Acanthamoebiasis Keratitis/Uveitis due to eye trauma?
Acanthamoeba spp.
- Parasitic CNS
What are the three presentations of Acanthamoeba spp. (Parasitic CNS)?
- GAM/GAE
- Ocular Acanthamoebiasis Keratitis/Uveitis
- Disseminated
What organism involves flat pseudopodia?
Balamuthia mandrillaris
- Parasitic CNS
What organism preys on other amoeba (NOT bacteria)?
Balamuthia mandrillaris
- Parasitic CNS
What organism allows Legionella pneumophila to replicate within it?
Balamuthia mandrillaris
- Parasitic CNS
What organism can ONLY be co-cultured with primate or human cells?
Balamuthia mandrillaris
- Parasitic CNS
Which two organisms can be spread via a wound?
- Balamuthia mandrillaris (Parasitic CNS)
- Acanthamoeba spp. (Parasitic CNS)