Rabies viral encephalitis with proable 25 year incubation period! |
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Authors: | S K Shankar Anita Mahadevan Silvano Dias Sapico M S G Ghodkirekar R G W Pinto S N Madhusudana |
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Institution: | Department of Neuropathology, National Institute of Mental Health and Neurosciences, Bangalore, Karnataka, India;1Department of Neurovirology, National Institute of Mental Health and Neurosciences, Bangalore, Karnataka, India;2Department of Forensic Medicine, Goa Medical College, Bambolin, Goa, India;3Department of Pathology, Goa Medical College, Bambolin, Goa, India |
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Abstract: | We report a case of rabies viral encephalitis in a 48-year-old male with an unusually long incubation period, historically suspected to be more than 20 years. The case was referred for histological diagnosis following alleged medical negligence to the forensic department. The histology and immunocytochemical demonstration of rabies viral antigen established the diagnosis unequivocally. The case manifested initially with hydrophobia and aggressive behavior, although he suddenly went to the bathroom and drank a small amount of water. History of dog bite 25 years back was elicited retrospectively following clinical suspicion. There was no subsequent history to suggest nonbite exposure to a rabid dog to consider recent event causing the disease, although this cannot be totally excluded. |
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Keywords: | Long incubation period Negri bodies rabies viral antigen |
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