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False positive for β2-transferrin in rhinorrhoea. Ocular trauma
F J García-Callejo1, F Martínez Expósito1, B Pallarés Martí1
1Servicio de ORL, Consorcio-Hospital General Universitario de Valencia, Valencia, España.
Archivos De La Sociedad Espanola De Oftalmologia
|July 18, 2019
Summary
Ocular trauma can cause cerebrospinal fluid (CSF) leaks. Detecting beta-2 transferrin in nasal fluid after eye injury may indicate a CSF leak, but this case shows it can be a false positive from ocular origin.
Area of Science:
- Ophthalmology
- Neurosurgery
- Otolaryngology
Background:
- Ocular perforations necessitate prompt evaluation and management based on clinical findings.
- Proximity of the orbit to the nasal cavity and anterior cranial fossa mandates ruling out collateral damage.
- Penetrating ocular injuries with ipsilateral rhinorrhea raise suspicion for cerebrospinal fluid (CSF) leaks.
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