Embryologie du système lacrymal - Faculté de Médecine et de ...

Abstract
Endoscopic endonasal dacryocystorhinostomy consists on a nazalisation of
totality of the lacrimal sac into the nasal fossa.
important.
Collaboration between ENT surgeons, ophthalmologists and radiologists is
Indication for surgery is fixed by the ophthalmologist, while surgery and the
follow up are realized on double team. Dacryoscan is important on preoperative
time, mainly if it’s a second operation. We conducted a prospective non comparative
study about twenty operation of endoscopic endonasal dacryocystorhinostomy
started in September 2009. We obtained a success rate of 85,7% in patients who
underwent one surgery, and 83,3% in patients already operated by external
dacryocystorhinostomy with a mane follow up of 14 months. We insist on the
importance of transillumination because it facilitates the localization of the lacrimal
sac and guides the realization of the rhinostomy the must be centered on the
canalicular junction
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