“…After excluding reports of LP in the presence of anticoagulants, 11 reports were found that described 18 LPs in thrombocytopenic patients (platelet count 1–63 × 10 9 /l), complicated by spinal haematomas (Scott et al , 1989; Ayerbe et al , 2005; Edelson et al , 1974; Lee et al , 2007; Mapstone et al , 1983; Pai et al , 2002; Wirtz et al , 2000; Wolcott et al , 1970; Blade et al , 1983; Dunn et al , 1979; Masdeu et al , 1979). An additional three patients without thrombocytopenia that had spinal haematomas were also described in these reports (Lee et al , 2007; Masdeu et al , 1979).…”