3D imaging and stealth navigation instead of CT guidance for radiofrequency ablation of osteoid osteomas: a series of 52 patients

Table 2 Previously reported data comparing O-arm navigation and CT guidance for osteoid osteoma ablation

Study	Type of guidance	Number of patients	Average ED (mSv)	Average DLP (mGy-cm²)
This study (Segal et al)	O-arm with navigation	52	–	544.7
Cheng et al., 2014	O-arm with navigation	23	–	446.6
Cheng et al., 2014	Conventional CT guidance	36	–	1058.8
Leng et al., 2011	Conventional CT guidance	42	119.7	7946
Tsalafoutas et al., 2007	Conventional CT guidance	14	35	1976
Perry et al., 2017	Conventional CT guidance	55	39	615

ISSN: 1471-2474