Cerebrospinal fluid rhinorrhea is a medical condition where the fluid that surrounds the brain and spinal cord leaks through the nose. The word "cerebrospinal" is spelled with a "k" sound at the beginning due to the Greek root "kerebro", meaning brain, and the "p" is pronounced with an "s" sound due to the added prefix "spinal". "Rhinorrhea" is spelled with a silent "h" and the letter combination "rh" is pronounced as a single rolled "r", as it is derived from the Greek word "rhin", meaning nose. The IPA phonetic transcription for this word is ˌsɛrəbroʊˈspaɪnəl fluːɪd raɪnɒˈriːə.
Cerebrospinal fluid (CSF) rhinorrhea is a condition characterized by the leakage of cerebrospinal fluid from the nose. Cerebrospinal fluid is a clear and watery fluid that surrounds and protects the brain and spinal cord. It is produced in the ventricles of the brain and circulates around the central nervous system, providing nourishment and acting as a cushion for the brain.
In the case of CSF rhinorrhea, there is a breach in the protective barrier that normally prevents the fluid from escaping. This breach can occur due to various reasons, such as trauma to the head or face, a tear in the dura mater (a thick, protective membrane surrounding the brain and spinal cord), or a congenital defect. The leakage of CSF through the nose can result in a constant or intermittent flow of clear fluid, which may be accompanied by headaches, nasal drainage, or a salty taste in the mouth.
Diagnosis of CSF rhinorrhea involves a thorough medical history, physical examination, and diagnostic tests such as imaging studies (such as MRI or CT scan) and laboratory analysis of the fluid. Treatment options for CSF rhinorrhea depend on the underlying cause and severity of the condition. Conservative measures may include bed rest, elevation of the head, and avoidance of activities that increase intracranial pressure. However, surgical intervention may be necessary to repair the dural defect and prevent further leakage, such as through endoscopic or open surgical procedures.