title: Unintentional removal of meningeal tissue with a 25-gauge spinal needle during spinal anesthesia: a case report.
mesh_terms: D000775:Anesthesia, Spinal / Q000009:adverse effects* / Q000295:instrumentation; D006801:Humans; D008297:Male; D008578:Meninges / Q000293:injuries*; D008875:Middle Aged; D009339:Needles; D013129:Spinal Puncture / Q000009:adverse effects