Patients with CSF leak detected on CTM or MRMa

Patient No.Age (yr)SexOpening Pressure (cm H2O)Leak Detected on CTMLeak Detected on MR MyelogramTime Difference (h:min)Extent of Extra-Arachnoid ContrastSame-Day Blood PatchSuspected CSF Leak Etiology
166Female5NoYes0:37T6–T12NoUnclear; spinal diverticula C6–C7 through L2–L3
262Male7NoYes1:14T9–L1YesBilateral T9–T10 spinal diverticula
327Male10YesYes0:55L2–L5NoDural ectasia; marfanoid features
452Male7NoYes1:14T6–T12YesBilateral T9–T10 and left T11–T12 spinal diverticula
532Female0NoYes0:29C3–L1NoNo source of leak detected; T2–T3 leak seen on subsequent fluoroscopic subtraction myelogram
637Female6YesYes5:14T10–L1YesT11–T12 disk osteophyte; blood patch performed before MRM
755Male8NoYes0:49T5–T6 and T9–T10NoRight T5–T6 and left T9–T10 spinal diverticula
855Male6NoYes0:12T7–T8YesRight T7–T8 spinal diverticula
958Female0YesYes0:46C7–T4NoT1–T2 secondary to disk protrusion and dural tear
  • a The time difference reflects the time stamp difference between CTM acquisition and the beginning of MRM. A same-day blood patch was performed when logistically possible and a clear source of leak was identified.