BK virus-associated progressive multifocal leukoencephalopathy.

The article presents a case study of a 71-year-old female patient diagnosed with BK virus-associated progressive multifocal leukoencephalopathy (PML). It states that the patient had difficulty in following three-step command and had paraphasia and constructional apraxia. The neurological state of the patient deteriorated and her symptoms did not improved. It also mentions that after undergoing brain biopsy, the patient died.