Efficacy and safety of C-arm computed tomography-guided microwave ablation with percutaneous osteoplasty for flat bone metastases

Table 1 Basic patient information

Classification	Number	%
Age	62.3 ± 10.4	-
Sex
Male	35	77.8
Female	10	22.2
Primary tumor
Primary liver cancer	19	42.3
Lung cancer	15	33.3
Cholangiocarcinoma	3	6.7
Esophageal cancer	2	4.4
Pheochromocytoma	1	2.2
Multiple myeloma	1	2.2
Colon cancer	1	2.2
Nasopharyngeal carcinoma	3	6.7
Site of bone metastases
Rib	20	44.4
Shoulder blade	16	35.6
Ilium	9	20
Lesion size
< 3 cm	13	28.9
≥ 3 cm	32	71.1
Nature of the lesion
Osteolytic	40	88.9
Osteogenic	0	0
Hybrid	5	11.1

Table 2 Target lesion tumor treatment response assessment, n (%)

Variable	CR	PR	SD	PD	ORR	DCR
mRECIST	0 (0)	23 (51.1)	17 (37.8)	5 (11.1)	23 (51.1)	40 (88.9)
RECIST v1.1	0 (0)	12 (26.7)	28 (62.2)	5 (11.1)	12 (26.7)	40 (88.9)

CR: Complete response; PR: Partial response; SD: Stable disease; PD: Progressive disease; ORR: Overall response rate; DCR: Disease control rate.