Tuesday, March 14, 2006

Multifocal chorioretinitis in West Nile Virus Infection

A report in Mayo Clinic Proceedings from a West Nile Virus (WNV) outbreak in Tunisia points to a strong association with a characteristic variety of multifocal chorioretinitis. In the survey of patients presenting with a picture of encephalitis or meningoencephalitis, the presence of multifocal chorioretinitis had a 100% positive predictive value for the diagnosis of WNV. The authors suggest that ophthalmologic evaluation be routinely carried out when WNV infection is considered.

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