What causes cerebrospinal fluid (CSF) leakage during surgery for dacryocystitis?

Updated: Oct 08, 2019
  • Author: Grant D Gilliland, MD; Chief Editor: Edsel Ing, MD, MPH, FRCSC  more...
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Cerebrospinal fluid (CSF) leakage is the most dreaded complication of dacryocystorhinostomy. Because the cribriform plate lies just above the medial canthal tendon, tears in the bony plate with resultant CSF leakage can occur during creation of the osteotomy. Variations in anatomy are frequently responsible for the above complication. The author has observed a CSF leakage from dacryocystorhinostomy in a patient who had an arachnoid cyst extending from the anterior cranial fossa into the nasal vestibule just under the surface of the skin.

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