title: A pearl of wisdom.
authors.affiliation: Department of Radiology, McMaster University Medical Centre, Hamilton, Ontario, Canada.
authors.forename: J
authors.initials: J
authors.lastname: Rawlinson
authors.forename: C L
authors.initials: CL
authors.lastname: Coblentz
authors.forename: S
authors.initials: S
authors.lastname: Franic
mesh_terms: D002648:Child; D004814:Epidermal Cyst / Q000000981:diagnostic imaging* / Q000209:etiology; D005260:Female; D006801:Humans; D008159:Lumbar Vertebrae; D009192:Myelography; D013122:Spinal Diseases / Q000000981:diagnostic imaging* / Q000209:etiology; D013129:Spinal Puncture / Q000009:adverse effects; D013997:Time Factors; D014057:Tomography, X-Ray Computed