Minimally Invasive Minimally Invasive FESSFESS Minimally Invasive Minimally Invasive FESSFESS

Sphenoidotomy:Sphenoidotomy: Sphenoidotomy:Sphenoidotomy:

Techniques:Techniques: Techniques:Techniques:

A.A. Trans-EthmoidTrans-EthmoidA.A. Trans-EthmoidTrans-Ethmoid

B.B. Trans-NasalTrans-NasalB.B. Trans-NasalTrans-Nasal

C.C. Trans-SuperiorTrans-Superior MeatusMeatus

C.C. Trans-SuperiorTrans-Superior MeatusMeatus

SphSphSphSph

PEPEPEPESMSMSMSMSMSMSMSMSTSTSTST

MM

SphSphSphSph

SpSp

STSTOO

Sp

Follow: Follow: MucociliarMucociliar

yyDrainageDrainagePathwayPathway

Follow: Follow: MucociliarMucociliar

yyDrainageDrainagePathwayPathway

Endonasal SphenoidotomyEndonasal Sphenoidotomy Endonasal SphenoidotomyEndonasal Sphenoidotomy

AEAEAEAEPEPEPEPE

MTMTMTMT

BLBLBLBL

STSTSTST

>1.5cm

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