Present history a two days after admission sudden-onset faciobrachial monoparesis, seizures, and progressively deteriorating sensorium a Brain mri and thoracic ct a Lab findings: serum cryptococcal antigen and pcr of bronchoalveolar lavage fluid for tuberculosis and malignant cells all negativePresent history p Two days aXer admission, sudden-onset faciobrachial monoparesis, seizures, and progressively deteriora<ng sensorium. p Brain MRI and thoracic CT p Lab findings: serum cryptococcal an<gen, and PCR of bronchoalveolar lavage fluid for tuberculosis and malignant cells all nega<ve