title: Unknown case: part 2.
authors.affiliation: From the Department of Neurology, National Neuroscience Institute, SGH, Singapore.
authors.forename: Mohammed Tauqeer
authors.initials: MT
authors.lastname: Ahmad
authors.forename: Lo Yew
authors.initials: LY
authors.lastname: Long
mesh_terms: D001254:Astrocytoma / Q000175:diagnosis*; D003937:Diagnosis, Differential; D006801:Humans; D008279:Magnetic Resonance Imaging; D011859:Radiography; D013116:Spinal Cord / Q000000981:diagnostic imaging / Q000473:pathology*; D013120:Spinal Cord Neoplasms / Q000175:diagnosis*