>Subject: rhinorrhoea vs CSF leak
>
>Dear Colleagues,
>
>We have a patient with rhinorrhoea for 16 years!!!! 'Experts' are divided
>over whether it is rhinorrhoea or CSF. Glucose is 3.0 mmol/L. Leakage only
>occurs when head tilted forward.
Are there any definitive tests to distinguish between the source?
REPLY:
Isn't the definitive test for CSF leakage beta-transferrin?
Bill Nowatzke
Washington Univ School of Med, St. Louis, MO USA
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