Ocular larva migrans is typically caused by migration of Toxocara spp larvae through the choroidal and retinal vessels into the posterior segment of the eye, or occasionally through the optic nerve via the central nervous system [23, 24]. 7 дек. 2013 г.
How do humans get visceral larva migrans?
VLM is caused by roundworms (parasites) that are found in the intestines of dogs and cats. Eggs produced by these worms are in the feces of the infected animals. The feces mix with soil. Humans can get sick if they accidentally eat soil that has the eggs in it.
How do you get ocular toxocariasis?
These findings led to a common etiology for systemic and ocular diseases, human toxocariasis. Individuals become infected with Toxocara when they unintentionally ingest embryonated eggs or larvae that have been shed in the feces of infected animals or uncooked paratenic hosts (Fig. 1) [1, 2, 7].
What parasite causes ocular larval migrans?
Ocular larva migrans is a rare inflammatory condition of the eye caused by local reactions to the larva of Toxocara species. These are roundworms which infest dogs and cats as their definitive hosts.
How do you get cutaneous larva migrans?
Cutaneous larva migrans (CLM), also having been termed for the clinical sign of creeping eruption, is an infectious syndrome caused by multiple types of hookworms. This is most commonly transmitted by animal feces depositing eggs in the soil, with larvae entering humans through direct contact with skin.
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