High resolution C.T. cisternography with water-soluble contrast media was performed in eight patients with C.S.F. rhinorrhea and suspected C.S.F. fistula. This technique, aided by video fluoroscopy, proved successful in documenting the precise anatomical localisation of the fistulous track in all eight patients. Surgical exploration and correction was done in every case with confirmation of the radiological findings.
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Sharma et al. (1991) studied this question.
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