Escape of cerebrospinal fluid from its usual spinal compartment through a dural defect or certain abnormal communications.
Pathology
Mechanism and manifestations
Headache worse upright and better lying down is suggestive but not universal. Leakage may follow puncture or trauma or arise spontaneously; a CSF-venous fistula may not form a visible collection.
Diagnosis and management
Specialist assessment may include MRI and myelography tailored to the suspected type. Medical measures, an epidural blood patch or targeted closure depend on the case. A major new headache, fever or deficit requires prompt assessment.
Points to consider
These conditions may produce progressive or acute signs and need targeted investigation. Standard MRI does not always provide all required information; specialists select additional tests. New motor deficits, loss of sphincter control or rapid deterioration need immediate assessment.
Role of TAGMED care
This condition first requires medical diagnosis and, depending on the situation, specialist management. TAGMED services do not replace treatment of infection or tumor, stabilization of an unstable injury, or neurological or vascular treatment. Any conservative support should be considered only after diagnosis, restrictions and the treating team’s recommendations have been clarified.
Related concepts and distinctions
These concepts belong to the same field, but are not synonyms.
- Spinal arteriovenous malformation — Abnormal arteriovenous connections within or around the spinal cord that may cause bleeding, congestion or impaired perfusion.
- Spinal arachnoid cyst — Fluid-filled sac associated with the arachnoid in the spinal canal, which may be intradural or extradural and sometimes compress neural structures.
- Spinal dural arteriovenous fistula — Abnormal connection between an artery and a vein near the spinal dura that may cause venous congestion of the cord.
Conceptual guide: Spinal cerebrospinal fluid leak. Blocks summarize useful relationships; they are not an individual anatomical image.
Medical references
- Johns Hopkins Medicine. Cerebrospinal Fluid (CSF) Leak.
- American College of Radiology / RSNA, RadiologyInfo. Myelography.
References document the topic; their inclusion does not imply endorsement of TAGMED services by those organizations.
Educational information from The Spine Page. This entry does not replace an individual assessment. Documentary version: October 13, 2026. Sylvain Desforges, B.Sc., D.O., N.D., osteopath and naturopath.
TAGMED clinic contact details
For non-urgent consultations and information about available services.
Clinique TAGMED — Terrebonne
1150, rue Lévis, Suite 200
Terrebonne (Québec) J6W 5S6
450‑704‑4447
Clinique TAGMED — Montréal
1140, avenue Beaumont
Mont-Royal (Québec) H3P 3E5
1‑877‑672‑9060
