Endonasal Versus Supraorbital Keyhole Removal of Craniopharynglomas and Tuberoulumsellae Meningi

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Endonasal Versus Supraorbital Keyhole Removal of Craniopharynglomas and 
Tuberoulumsellae Meningiomas 
Neurosurgery.2009 Mar 11. 
Fatemi N,Dusick JR,de Paiva]Veto MA Malkasian D Kelly DE 
Brain Tumor Center,John Wayne Cancer Institute,Saint John's Health Center,Santa Monica, rnia(Fatemi) 
(Kelly)Div ̄ion of Neurosurgery,David CCf ̄.School of Medicine,University of C越洳rnia,Los A ngeles,Los 
A ngeles,C越蜘rnia(Dusick)(ae Paiva New)(Malkasian)Disciplina de Neurocirurgia,Universidode Federal, 
São Paulo,Brazil de Paiva NEW). 

OBJECTIVE:Endonasal and supraorbital”eyebrow”craniotomies are increasingly being used to remove craniopharyngiomas and 
tuberculum sellae meningionms.Herein,we assess the relative advantages,disadvantages,and selection criteria of these 2 keyhole 
approaches.METHODS:All consecutive patients who had endonasal or sup,'aorbital removal of a eraniopharyngioma or tubereulum 
sellae meningionm were analyzed.RESULTS:Of 43 patients,22 had a eraniopharyngioma(1 8 endonasal,4 supraorbita1),and 2 1 had a 
meningionm(12 endonasal,7 supraorbital,2 both routes);33 had prior surgery.Craniopharyngiomas were primarily retrochiasmal in 
location in 78 of endonasal cases versus 25 of supraorbital cases =0.08).Meningiomas were larger when approached by the 
supraorbital mute versus the endonasal route f33+/-1 0 versus 25+/一8 111In.respectively;P=O.008).Endoscopy was used in 84 of 
endonasal approaches and in 3 1 of supraorbital approaches fP=0.oou.of patients having first—time surgery for a eraniopharyngionm 
(r/,=14)or meningioma(凡=1 5),total/near total removal was achieved in 83 and 8O of patients by the endonasal route and in 50 and 
80 of patients by the supraorbital route.respectively.Vision improved in 87 and 70 of patients who had surgery by an endonasal 
versus supraorbital route,respectively(P=O-3).Visual deterioration occurred in 2 patients with meningiomas,1 by endonasal(7),and 
1 by supraorbital(1 1)remova1.The endonasal approach was associated with a higher rate of postoperative eerebrospinal fluid leaks(1 6 
versus 0;P=0.3),4 of 5 of which OCCUlTed in patients with meningioma.CONCLUSION:The endonasal route is preferred for removal 
of most retmehiasmal craniopharyngiomas,whereas the supraorbital route is recomnlended for meningiomas larger than 30 to 35 nlnl OF 
with growth beyond the supraclinoid carotid arteries.For smaller midline tumors,either approach can be used,depending on surgeon 
experience and tumor anatomy.Compared with traditional craniotomies,the major limitation of both approaches is a narrow surgical 
corridor.The endonasal approach has the added challenges of restricted lateral suprasellar access,a greater need for endoscopy,and a 
more demanding cranial base I‘epair.