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Table 4 Total resection of tumors (in accordance with the scale by Frank, 2002)

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 Percent
Total removal 84 60
Subtotal removal 37 26.43
Partial removal 18 12.86
Insufficient removal 1 0.71