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Table 5 Extent of tumor removal according to histological structure

From: Endoscopic endonasal transclival removal of tumors of the clivus and anterior region of the posterior cranial fossa (results of surgical treatment of 140 patients)

Extent of tumor removal Number of cases
Chordomas (ngen = 103)
 Total 68
 Subtotal 25
 Partial 10
Meningiomas (ngen = 12)
 Total 1
 Subtotal 5
 Partial 5
 Insufficient 1
Pituitary adenomas (ngen = 9)
 Total 6
 Subtotal 1
 Partial 2
Fibrous dysplasia (ngen = 4)
 Total 2
 Subtotal 2
Cholesteatomas (ngen = 3)
 Total 1
 Subtotal 2
Craniopharyngiomas (ngen = 2)
 Total 1
 Subtotal 1