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3D steady-state MR cisternography in CSF rhinorrhoea
P N Jayakumar1, J M Kovoor, S G Srikanth
1Department of Neuroimaging and Interventional Radiology, National Institute of Mental Health and Neurosciences, Bangalore, India.
Acta Radiologica (Stockholm, Sweden : 1987)
|December 12, 2001
Summary
3D MR cisternography accurately identifies cerebrospinal fluid (CSF) leaks in patients with suspected CSF rhinorrhoea. This non-invasive imaging technique precisely locates the fistula, aiding surgical planning.
Area of Science:
- Radiology
- Neurosurgery
- Medical Imaging
Background:
- Cerebrospinal fluid (CSF) rhinorrhoea presents a diagnostic challenge.
- Accurate localization of CSF leaks is crucial for effective surgical intervention.
Purpose of the Study:
- To evaluate the diagnostic utility of 3D steady-state MR cisternography (MRC) for demonstrating and localizing CSF leaks.
- To assess MRC's effectiveness in patients with clinically suspected CSF rhinorrhoea.
Main Methods:
- Six patients with suspected CSF rhinorrhoea underwent routine MRI and 3D MRC.
- MRC utilized the CISS technique with 0.7-mm slice thickness.
- Defect site, extent, and herniation on MRC were correlated with surgical findings.
Main Results:
- Intraoperative findings confirmed the defect locations identified by MRC in all six surgically treated patients.
- MRC accurately demonstrated the site and extent of the CSF fistula.
Conclusions:
- 3D MR cisternography is highly accurate for localizing CSF fistulas in suspected CSF rhinorrhoea.
- MRC's efficacy and non-invasive nature make it a suitable first-line investigation.