title: An unusual cause of sciatica.
authors.affiliation: a Neurosurgical Department , Atkinson Morley Wing, St George's Hospital , London , UK.
authors.forename: Isabel
authors.initials: I
authors.lastname: Tulloch
authors.affiliation: a Neurosurgical Department , Atkinson Morley Wing, St George's Hospital , London , UK.
authors.forename: Marios C
authors.initials: MC
authors.lastname: Papadopoulos