CSF rhinorrhea is the result of a dural puncture near the nose or sinuses, or ear. It may occasionally be spontaneous, or follow trauma or surgery to the head, nose, or ear.

Source: Cronin KJ, et al. Poster M321. Presented at: ACAAI Annual Scientific Meeting; Nov. 10-14, 2022; Louisville, Ky.

Rhinorrhea: The discharge of fluid from the nasal cavity, which, when clear and persistent, may indicate CSF leakage. β2-Transferrin: A glycoprotein biomarker highly specific for cerebrospinal ...

A runny nose often results from common ailments but can sometimes indicate a cerebrospinal fluid (CSF) leak, which poses serious health risks. CSF leaks may be due to trauma, spontaneous causes ...

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