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Original ArticleOpen Access
Endoscopic Third Ventriculostomy
Sripairojkul B 
We prospectively studied 8 patients who had an endoscopic third ventriculostomy
performed between 1996 and 1997 in Songkhlanagarind Hospital. The surgical technique was
described. Seven operations were successful and one operation failed. Success was found in cases
of pure aqueductal stenosis, aqueductal stenosis with Dandy Walker malformation, and posterior
fossa tumor. In a patient where an endoscopic third ventriculostomy failed, aqueductal stenosis
with marked hydrocephalus was found. Marked dilation of the third ventricle could compress the
aqueduct of Sylvius. Although there was communicating hydrocephalus, it looked like non-communicating
hydrocephalus. To avoid a valvular shunting complication, we suggest performance
of an endoscopic third ventriculostomy in selected non-communicating hydrocephalus patients.
Key word : Third Ventriculostomy - Endoscopy
performed between 1996 and 1997 in Songkhlanagarind Hospital. The surgical technique was
described. Seven operations were successful and one operation failed. Success was found in cases
of pure aqueductal stenosis, aqueductal stenosis with Dandy Walker malformation, and posterior
fossa tumor. In a patient where an endoscopic third ventriculostomy failed, aqueductal stenosis
with marked hydrocephalus was found. Marked dilation of the third ventricle could compress the
aqueduct of Sylvius. Although there was communicating hydrocephalus, it looked like non-communicating
hydrocephalus. To avoid a valvular shunting complication, we suggest performance
of an endoscopic third ventriculostomy in selected non-communicating hydrocephalus patients.
Key word : Third Ventriculostomy - Endoscopy
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