Visceral larva migrans
Visceral Larva Migrans
Visceral larva migrans (pronunciation: vis-er-al lar-va mi-grans), also known as Toxocariasis, is a condition caused by the infection of certain parasitic worm larvae.
Etymology
The term "visceral" is derived from the Latin word "viscus", meaning "internal organ". "Larva" is a Latin word for "mask" or "ghost", but in this context, it refers to the immature form of an animal that undergoes metamorphosis. "Migrans" is a Latin word meaning "migrating", referring to the movement of the larvae through the body.
Definition
Visceral larva migrans is a syndrome characterized by the invasion and migration of various animal parasite larvae through the human body. The most common parasites causing this condition are the roundworm species Toxocara canis and Toxocara cati, which are typically found in dogs and cats, respectively.
Symptoms
Symptoms of visceral larva migrans can vary greatly depending on the organs affected. Common symptoms include fever, fatigue, cough, abdominal pain, and enlarged liver (hepatomegaly). In severe cases, the condition can lead to blindness or neurological disorders.
Diagnosis
Diagnosis of visceral larva migrans is typically made through a combination of clinical history, physical examination, and laboratory tests. The presence of eosinophilia (an increased number of eosinophils in the blood) and a positive serology test for Toxocara antibodies are indicative of the condition.
Treatment
Treatment for visceral larva migrans typically involves antiparasitic medications such as albendazole or mebendazole. In severe cases, corticosteroids may be used to reduce inflammation.
Prevention
Prevention of visceral larva migrans primarily involves good hygiene practices, such as washing hands before eating and avoiding contact with feces of infected animals. Regular deworming of pets can also help prevent the spread of the parasites.
Related Terms
- Ocular larva migrans: A form of toxocariasis that specifically affects the eyes.
- Cutaneous larva migrans: A skin infection caused by the larvae of various animal hookworms.
External links
- Medical encyclopedia article on Visceral larva migrans
- Wikipedia's article - Visceral larva migrans
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