Summary
Temporal meningocele is a rarely encountered pathology. It is caused by communication between the subarachnoid space of the middle fossa and lateral extension of the sphenoid sinus.
Cerebrospinal fluid (CSF) pressures and the hydrostatic pulsatile forces may lead to the development of pitholes on the middle fossa at the sites of arachnoid villi with herniation of dura/arachnoid or brain tissue into the sinus.
We describe an adult patient who presented with spontaneous CSF rhinorrhea due to a temporal meningocele. She was first operated on transsphenoidally, but the CSF rhinorrea did not cessate, therefore she was operated transcranially five days after the first operation. There has been no CSF rhinorrhea for three and a half years.
Transcranial temporal encephalocele repairment is more effective than transsphenoidal surgery. Recurrent CSF leaks can occur due to both the increased CSF pressure and the insufficient operation technique.
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Gürkanlar, D., Akyuz, M., Acıkbas, C. et al. Difficulties in treatment of CSF leakage associated with a temporal meningocele. Acta Neurochir (Wien) 149, 1239–1242 (2007). https://doi.org/10.1007/s00701-007-1273-3
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DOI: https://doi.org/10.1007/s00701-007-1273-3