Polycystic Echinococcosis (Polycystic Neotropical Echinococcus)

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Questions and Answers

What is the key diagnostic feature of polycystic NE?

Multiple round hypodense structures
Anechoic cysts with thin walls
Peripheral calcification of the cysts (correct)
Small calcifications in polycystic masses

What is the most common organ affected by polycystic NE caused by E. vogeli?

Lungs
Peritoneal cavity
Liver (correct)
Heart

What is the preferred benzimidazole for treating polycystic NE?

Flubendazole
Mebendazole
Thiabendazole
Albendazole (correct)

What is the definitive host for E. vogeli, the agent of polycystic NE?

Bush dog (A) Signup and view all the answers

What is the primary localization of E. vogeli infection in humans?

The liver (B) Signup and view all the answers

How is E. vogeli transmitted to humans?

Through ingestion of eggs passed in the feces of bush dogs (C) Signup and view all the answers

Which imaging technique is best for monitoring response to treatment of polycystic NE?

Abdominal computed tomography (D) Signup and view all the answers

Which of the following is a potential intermediate host for E. oligarthrus?

All of the above (C) Signup and view all the answers

What is the mortality rate for patients with polycystic NE who are treated surgically?

5.2% (D) Signup and view all the answers

Which age group is typically diagnosed with E. vogeli infection?

Adults between 40 and 60 years of age (C) Signup and view all the answers

What is the recommended albendazole dose for treating polycystic NE?

10 to 15 mg/kg per day (B) Signup and view all the answers

How is unicystic NE caused and how common is it?

It is caused by E) oligarthrus and is a rare manifestation of the disease (D) Signup and view all the answers

How do humans acquire polycystic NE?

Through ingestion of tapeworm eggs (A) Signup and view all the answers

What is the most common symptom of polycystic NE caused by E. vogeli?

Upper abdominal pain with fever (B) Signup and view all the answers

What is the best technique to confirm the species of polycystic NE?

Polymerase chain reaction followed by genetic sequencing (D) Signup and view all the answers

What is the presentation of E. oligarthrus infection?

Single lesion in the liver (C) Signup and view all the answers

What is the growth pattern of metacestodes?

They invade organs and then metastasize (A) Signup and view all the answers

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Description

Test your knowledge on the rare but dangerous zoonotic parasite, Echinococcus vogeli, which causes human polycystic neotropical echinococcus (NE) in Central and South America. Learn about the definitive host, transmission, and symptoms associated with this parasite. Take the quiz to see how much you know about this deadly disease.