Table 2.

Characteristics and treatment of osteolytic lesions

Patient	Lesion	Lesion type	Fill method	Lesion volume (cm3)	Total		Artifact-free region		Metal artifact region
					Fill at surgery	New mineral at followup	Fill at surgery	New mineral at followup	Fill at surgery	New mineral at followup
1	1	Dome	Injection	30.8	17%	22%	4%	14%	51%	44%
	2	Dome	Injection	1.4	9%	21%			9%	21%
	3	Rim	Not treated	1.3	−16%	14%			−16%	14%
2	4	Rim	Not treated	0.5	1%	0%	0%	0%	3%	0%
	5	Dome + rim	Injection	25.2	59%	35%	91%	72%	56%	32%
	6	Rim	Not treated	3	−24%	19%			−24%	19%
3	7	Dome	Injection	14.8	34%	23%	28%	20%	51%	32%
	8	Dome + rim	Injection	13.8	8%	24%			8%	24%
	9	Dome + rim	Injection	18.2	15%	9%	−2%	0%	15%	9%
4	10	Dome	Injection	43.5	66%	28%	69%	38%	64%	19%
	11	Rim	Not treated	2.2	4%	1%	1%	1%	38%	9%
5	12	Dome	Injection	3.3	58%	21%	65%	23%	7%	2%
	13	Dome + rim	Injection	6.9	38%	11%	6%	8%	50%	12%
6	14	Dome + rim	Injection	4.1	62%	26%	81%	46%	58%	22%
	15	Dome	Injection	8.5	61%	40%			61%	40%
7	16	Dome	Injection	53.9	47%	10%	70%	25%	40%	5%
8	17	Dome	Injection	1.8	28%	24%	38%	30%	−23%	−5%
	18	Dome + rim	Injection	15.8	71%	44%	27%	33%	71%	44%
9	19	Screw hole	Injection	6.4	37%	19%	44%	22%	−10%	3%
10	20	Dome	Injection	21.3	72%	31%	86%	29%	61%	24%
Treated lesions
Minimum				1.4	8%	9%	−2%	0%	−23%	−5%
Maximum				53.9	72%	44%	91%	72%	71%	44%
Average				16.8	43%	24%	47%	28%	36%	20%