CSF Rhinorrhea
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What is CSF Rhinorrhea?
Cerebrospinal fluid (CSF) is a clear, colorless, protective fluid that bathes the brain and spinal cord, cushioning them from damage. CSF rhinorrhea is an uncommon condition, this condition arises as a result of thinning or attenuation of the bone which separates the brain from the sinonasal cavity. CSF leaks into the sinuses when there is a breach in the bone and dura and patients experience clear watery nasal discharge from the affected side only.
Symptoms:
In this condition patients have clear, fluid discharge from the affected side of their nose. Headaches are a common symptom, which is more painful when you are standing up and worsen when you’re lying down. Patients may detect the following:
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Frequently Asked Questions
It is a leak of cerebrospinal fluid, the fluid surrounding the brain, through the nose, usually due to a defect in the skull base.
Causes include head injury, previous sinus or skull base surgery, or in some cases no clear injury at all.
Symptoms include clear, watery fluid dripping from one nostril, often worse when bending forward, and sometimes headache.
Yes, it can increase the risk of serious brain infections if not treated, so prompt evaluation is important.
Treatment usually involves surgical repair of the skull base defect, often done endoscopically through the nose.