====== Toxocariasis ====== [[Toxocariasis]] is a worldwide human [[helminthiasis]], which is mostly asymptomatic and caused by [[toxocara canis]], a roundworm in dogs. These can cause visceral [[larva migrans]] syndrome in humans who ingest contaminated soil. CNS manifestation with a focal mass lesion is very rare, [[seizure]]s often being the first symptom. [[Cerebral toxocariasis]] [[Ocular toxocariasis]]