Parasitology 2-Cryptosporidium & T.gondii

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parasitology

 

Questions:

Q. What infections are caused by Cryptosporidium?

Q. How is Cryptosporidium transmitted?

Q. How is Cryptosporidium infection diagnosed?

Q. How is Cryptosporidium infection treated?

Q. What infections are caused by Toxoplasma gondii?

Q. How is Toxoplasma gondii transmitted?

Q. How is Toxoplasma Gondii infections diagnosed?

Q. How is Toxoplasma Gondii infection treated?

Answers:

Q. What infections are caused by Cryptosporidium?

  • Severe Diarrhea in AIDS
  • Mild (watery diarrhea) in immunocompletent

Q. How is Cryptosporidium transmitted?

Cysts in water.

Q. How is Cryptosporidium infection diagnosed?

Cysts on Acid Fast Stain.

Q. How is Cryptosporidium infection treated?

Prevention

Nitazoxanide (immunocompetent)

Q. What infections are caused by Toxoplasma gondii?

Brain abscess in HIV (seen as ring-enhancing brain lesions on CT/MR ) ;

Congenital toxoplasmosis =

“Classic triad ”

  • chorioretinitis,
  • hydrocephalus,
  • intracranial calcifications

 

Q. How is Toxoplasma gondii transmitted?

Cysts in meat or cat feces; crosses placenta (pregnant women should avoid cats)

Q. How is Toxoplasma Gondii infections diagnosed?

  • Serology
  • Biopsy

Q. How is Toxoplasma Gondii infection treated?

Sulfad iazine + pyrimethamine

 
 
 

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