Toxocariasis

A cosmopolitan zoonotic disease caused in humans by the accidental ingestion of eggs or larvae of the ascarids <i>Toxocara canis</i> or <i>Toxocara cati</i>, the common round worm of dogs and cats respectively. The infestation can be asymptomatic or can present as visceral larva migrans caused by larval migration through major organs such as liver, lungs or central nervous system (manifesting with fever, cough, hepatomegaly, pneumonia or rarely encephalitis), or as ocular larva migrans caused by larval migration to the eye (manifesting as ocular inflammation and retinal scaring).

Cholestasis

Impairment of bile flow due to obstruction in bile ducts.

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PMID (PMCID)
16123929	FEMALE	Adult
	Hepatic toxocariasis: US, CT and MRI findings.
	Kabaalioglu A, Ceken K, Alimoglu E, Saba R, Apaydin A. Ultraschall Med. 2005;26(4):329-32.
	In summary, a clinical picture of cholestasis initially resembling hepatitis or malignancy should be further evaluated by imaging techniques, and the ultrasound examiner should be familiar with the possible findings of hepatic toxocariasis, which consist of focal ill-defined hepatic lesions, hepato-splenomegaly, biliary dilatation, sludge and periportal lymph node enlargement.