Outcome of lung metastases due to bone giant cell tumor initially managed with observation

Table 2 Details of 22 patients initially managed with observation

Case	Interval between surgery of primary tumor and discovery of lung metastasis (months)	Number of lung nodules	Size of maximum nodule (mm)	Lung lesion	Laterality	Progression of lung lesions	Time to progression from discovery of lung metastasis (months)	Treatment for lung lesions	Interval between lung metastasis and metastasectomy (months)	Follow-up period from surgery for primary tumor (months)	Follow-up period from discovery of lung metastasis (months)	Status
1	44	NA	NA	Multiple	Bilateral	No		Observation		139	93	AWD
2	0	4	NA	Solitary	Unilateral	No		Observation		34	33	AWD
3	0	NA	NA	Multiple	Bilateral	Yes	10	Metastasectomy	14	42	42	AWD
4	43	NA	5	Multiple	Bilateral	No		Observation		173	117	AWD
5	16	7	NA	Multiple	Bilateral	Yes	4	Metastasectomy	4	92	75	NED
6	35	NA	10	Multiple	Bilateral	Yes	14	Observation		89	52	AWD
7	22	10	5	Multiple	Bilateral	No		Observation		42	20	AWD
8	0	4	5	Multiple	Bilateral	No		Observation		134	133	AWD
9	23	3	3	Multiple	Bilateral	Yes	11	Metastasectomy	9	52	29	AWD
10	24	5	5	Multiple	Bilateral	Yes	5	Metastasectomy	5	181	155	NED
11	11	6	5	Multiple	Bilateral	Yes	15	Metastasectomy	15	164	150	AWD
12	0	10	10	Multiple	Bilateral	Yes	5	Denosumab		118	116	AWD
13	64	3	NA	Multiple	Bilateral	No		Observation		114	48	AWD
14	11	3	30	Multiple	Unilateral	Yes	6	Metastasectomy	62	141	128	NED
15	30	7	3	Multiple	Bilateral	Yes	66	Metastasectomy	69	118	86	NED
16	23	1	5	Multiple	Bilateral	No		Observation		76	51	AWD
17	46	4	5	Multiple	Bilateral	Yes	3	Observation		120	72	AWD
18	44	NA	NA	Multiple	Bilateral	No		Observation		73	28	AWD
19	10	3	3	Multiple	Bilateral	No		Observation		150	138	AWD
20	40	1	5	Solitary	Unilateral	No		Observation		89	48	AWD
21	0	2	12	Multiple	Bilateral	Yes	5	Metastasectomy	6	183	181	NED
22	0	NA	6	Multiple	Bilateral	Yes	36	Denosumab		87	91	AWD

ISSN: 1749-799X