Toxocara canis, T. catis ( Toxicariasis)

Question 1

Pathogenesis and clinical diseases

Answer 1

1) when Larva dies–> eosinophilia granulomas formed
2) viscera –> causes visceral larva migans( VLM) –> ( causes ocular larva migrans (OLM) –>(5-10 yrs old) presents :
- unilateral vision impairment
- granulomas

Question 2

Diagnosis

Answer 2

• ELISA

- ophthalmologist examinations

Question 3

Life cycle

Answer 3

1) animals eat embryonayed eggs, aquifers adults
2) adults live in dog and cat in small intestine
3) eggs pass in decades and embryonate in so
4) eggs are ingested
5) larvae hatch in small intestines and penetrate wall
6) larvae migrate to all organs via blood stream