The Casoni test is a skin test used in the diagnosis of hydatid disease. The test involves the intradermal injection of sterilised fluid from hydatid cysts. A wheal response occurring at the injection site within 20 minutes is considered positive. The test is positive in about 90% of cases of hydatid disease affecting the liver, but positive in less than 50% of patients with hydatid disease elsewhere in the body; false positive results are also common.

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  • The Casoni test is a skin test used in the diagnosis of hydatid disease. The test involves the intradermal injection of sterilised fluid from hydatid cysts. A wheal response occurring at the injection site within 20 minutes is considered positive. The test is positive in about 90% of cases of hydatid disease affecting the liver, but positive in less than 50% of patients with hydatid disease elsewhere in the body; false positive results are also common. Consequently, serological tests are now generally used. The test was described in 1912 by Tomaso Casoni.
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  • The Casoni test is a skin test used in the diagnosis of hydatid disease. The test involves the intradermal injection of sterilised fluid from hydatid cysts. A wheal response occurring at the injection site within 20 minutes is considered positive. The test is positive in about 90% of cases of hydatid disease affecting the liver, but positive in less than 50% of patients with hydatid disease elsewhere in the body; false positive results are also common.
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  • Casoni test
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