Minimally Invasive Technique for PMMA Augmentation of Fenestrated Screws

Table 3

Cement extravasations. The table shows numbers and locations of cement extravasations. Postoperative radiographs were available in all patients. Postoperative computed tomography (CT) was available in 24/35 patients (68.6%). Beside all cement extravasations detected on plain radiographs, CT additionally demonstrated slight prevertebral, paravertebral, and epidural cement extravasations.

Location of cement extravasation	Count on plain radiographs	Additional counts on CT
Prevertebral	18	2
Paravertebral	0	4
Epidural	0	1
Intradiscal	2	0