Acute and transient psychotic disorder as a rare early manifestation of late-onset sub-acute sclerosing panencephalitis

Abstract

BackgroundSubacute Sclerosing Panencephalitis (SSPE) is a rare, late complication of measles infection. Illness generally starts with intellectual dysfunction, personality changes, myoclonus and epileptic seizures but rarely, initial presentations may only have psychiatric symptoms. MethodThe patient was hospitalized. Informed consent was obtained. History was reviewed. Detailed clinical examination was done. The patient was investigated in detail for his medical condition. Neurology consultation was done. ResultWe report a case of late-onset SSPE, presenting with symptoms of acute and transient psychotic disorder in the absence of classical symptoms of SSPE. ConclusionSSPE can have late onset presentation and psychosis can be its early manifestation.