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Patients with CSF leak detected on CTM or MRM^{^a}
Patient No. Age (yr) Sex Opening Pressure (cm H₂O) Leak Detected on CTM Leak Detected on MR Myelogram Time Difference (h:min) Extent of Extra-Arachnoid Contrast Same-Day Blood Patch Suspected CSF Leak Etiology
1 66 Female 5 No Yes 0:37 T6–T12 No Unclear; spinal diverticula C6–C7 through L2–L3
2 62 Male 7 No Yes 1:14 T9–L1 Yes Bilateral T9–T10 spinal diverticula
3 27 Male 10 Yes Yes 0:55 L2–L5 No Dural ectasia; marfanoid features
4 52 Male 7 No Yes 1:14 T6–T12 Yes Bilateral T9–T10 and left T11–T12 spinal diverticula
5 32 Female 0 No Yes 0:29 C3–L1 No No source of leak detected; T2–T3 leak seen on subsequent fluoroscopic subtraction myelogram
6 37 Female 6 Yes Yes 5:14 T10–L1 Yes T11–T12 disk osteophyte; blood patch performed before MRM
7 55 Male 8 No Yes 0:49 T5–T6 and T9–T10 No Right T5–T6 and left T9–T10 spinal diverticula
8 55 Male 6 No Yes 0:12 T7–T8 Yes Right T7–T8 spinal diverticula
9 58 Female 0 Yes Yes 0:46 C7–T4 No T1–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.