CSF rhinorrhoea is diagnosed by:
(b) b2 transferrin(Ref. Cummings, 6th ed., 807)b2 transferrin on electrophoresis is pathognomonic of CSF as this protein is present only in CSF.
b2 macroglobulin
b2 transferrin
Thyroglobulin
Transthyretin
Nose and PNS