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Volume 17, Number 7—July 2011

CME ACTIVITY

Neurognathostomiasis, a Neglected Parasitosis of the Central Nervous System

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Neurognathostomiasis, a Neglected Parasitosis of the Central Nervous System

Medscape CME Questions

1. A traveler returning from Thailand is suspected of having neurognathostomiasis. Which of the following is least likely to be a food source for the infection?

A. Undercooked pork

B. Undercooked chicken

C. Raw fish

D. Undercooked frog

2. In the patient from question 1, which of the following is likely to be the most common presentation?

A. Intracerebral hemorrhage with headache and hemiparesis

B. Myelopathy with radicular pain and ascending paresis

C. Meningoencephalitis with photophobia and seizures

D. Subarachnoid hemorrhage with loss of consciousness

3. Which of the following is considered the most accurate test for the diagnosis of neurognathostomiasis?

A. Cerebrospinal fluid microscopy

B. Brain biopsy

C. Western blot serology

D. Spinal fluid culture

4. Which of the following treatments are believed to be most efficacious based on clinical trials?

A. Albendazole alone for 4 weeks

B. Albendazole with prednisolone

C. Ivermectin with albendazole

D. None of the above

5. Which of the following best describes the most recent reports (after 2000) of rates of poor outcomes associated with gnathostomiasis infection?

A. Over 50% mortality

B. Mortality or severe disability rate of 40%

C. Poor outcome in 30%

D. Poor outcome in 20%

Activity Evaluation

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2. The material was organized clearly for learning to occur.
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3. The content learned from this activity will impact my practice.
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4. The activity was presented objectively and free of commercial bias.
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