Nervous System- Infection & Inflammation I
Question No. 25. The Answer is: (A) 1, 2, and 3 are true.
The vast majority of human infections are asymptomatic.
The brain is involved in less then 1% of the cases.
The definitive host of the parasite is dogs and other canids.
Discussion: In contrast to neurocysticercosis, cyst formation in the brain is usually solitary, unilocular, spherical and can attain a large size. Superficial locations are typical and the hydatid cyst is almost always found in the cerebral hemisphere particularly around the middle cerebral arteries. Multiple small cysts are typical for neurocysticercosis.