Level of criteriaFindings
AbsolutePathologic demonstration of the parasite; cystic lesion with scolex found on computed tomography scan or magnetic resonance imaging; direct visualization on funduscopy
MajorLesions highly suggestive of neurocysticercosis on neuroimaging; positive serum enzyme-linked immunoblot for cysticercal antibodies; resolution of cysts after antiparasitic therapy; spontaneous resolution of a small solitary enhancing lesion
MinorLesions compatible with neurocysticercosis on neuroimaging; clinical manifestations suggestive of neurocysticercosis; positive cerebrospinal fluid enzyme-linked immunosorbent assay for anticysticercal antibodies or cysticercal antigens; cysticercosis outside of the central nervous system
EpidemiologicHousehold contact with Taenia solium infection; persons coming from or living in an area where cysticercosis is endemic; history of frequent travel to disease-endemic areas*