New York Eye and Ear Infirmary
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Criteria for Endoscopic Tumor Resectability 

Tumor Histology and Biology

Benign more Resectable (>) than Malignant
Circumscribed >than Invasive

Location and Adjacent Structures

Nasal septum > Nasal Wall > Medial Orbit (eye socket) > Sphenoid Sinus/Medial Aspect Optic Nerve > Pterygopalatine Fossa > Extra-dural Cribiform Plate and Frontal Bone > Dural > Brain

Tumor Size

Small Tumor with Observable Margins > Large Tumor with Ill-defined Margins


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