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Fig. 2 | BMC Surgery

Fig. 2

From: Rates and risk factors of intrapedicular accuracy and cranial facet joint violation among robot-assisted, fluoroscopy-guided percutaneous, and freehand techniques in pedicle screw fixation of thoracolumbar fractures: a comparative cohort study

Fig. 2

Intra-pedicular accuracy according to the Gertzbin–Robbins scale. A Grade B, cortical breach of 1.09 mm (a); B Grade C, cortical breach of 2.36 mm (b); and Grade A, screw position completely within the pedicle (c); C grade D, cortical breach of 5.46 mm (d); D Grade E, cortical breach of 6.28 mm (e)

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BMC Surgery

ISSN: 1471-2482

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