Endoscopic fenestration of middle fossa arachnoid cyst

560 560 Spyros Sgouros

Endoscopic fenestration of middle fossa arachnoid cyst

Diagnosis: Middle fossa arachnoid cyst
  • 7-month-old girl
  • Increasing head circumference > 97%
  • MR scan: large middle fossa arachnoid cyst causing midline shift
  • Endoscopic fenestration was performed to the carotid cistern and the right lateral ventricle (operation performed in 2009)
  • Postoperative MR scan showed reduction of cyst volume and restoration of midline shift
  • The child is well at the age of 10 years following normal schooling
EQUIPMENT USED
  • Aesculap Minop
SURGICAL TIPS
  • Fenestration in the carotid cistern dilated with balloon
  • “Tap” gently with the blunt monopolar coagulation lead the ventricular wall to identify the thinnest part suitable for fenestration
  • Fenestration in the ventricular wall performed with monopolar coagulation and enlarged as much as possible
Pre op
Post op
CONTRIBUTOR

Spyros Sgouros

• Head of the Department of Pediatric Neurosurgery, “Mitera” Childrens Hospital, Athens, Greece • Professor of Neurosurgery at National and “Kapodistrian” University of Athens, Greece

All cases by: Spyros Sgouros