Double Endoprosthesis in the Management of Refractory Metastatic Primary Bone Tumors in Children and Young Adults

Table 1

Patient characteristics.

Pt no.	Gender	Type of disease	Age at diagnosis	Meta at diagnosis	Primary site	First treatment	Kind of recurrence	Site of bone recurrence	Age at the 2nd surgery	Second treatment	Outcome
1	M	ES	13.5	Lung	Femur L	CHT, loc S, met S, lung RT	Bone	Shoulder L	24.0	CHT, loc S	AWD
2	M	ES	12.2	Lung, bones, lymph nodes	Shoulder R	CHT, loc S, met S, lung RT	Bone, lung	Femur L	16.5	CHT, loc S, met S	AWD
3	M	ES	14.6	Lung, bones, lymph nodes	Shoulder R	CHT, loc S, met S, lung RT	Bone	Femur R	19.8	CHT, loc S	DOD
4	K	ES	14.1	No	Femur R	CHT, loc S	Bone	Femur L	16.3	CHT, loc S	AWD
5	M	ES	20.0	Lung, bone marrow	Femur L	CHT, loc S, met S, lung RT	Bone, lung	Femur R	22.8	CHT, loc S, met S	DOD
6	M	OS	13.6	Lung	Femur L	CHT, loc S, met S	Bone	Femur R	16.7	CHT, loc S	AWD
7	K	OS	17.4	No	Femur R	CHT, loc S	Bone, lung	Femur L	18.9	CHT, loc S, met S	DOD
8	K	OS	9.3	No	Femur R	CHT, loc S	Bone	Pelvic R	13.5	CHT, loc S	DOD
9	M	OS	21.8	No	Femur R	CHT, loc S	Bone	Tibia R	22.4	CHT, loc S	AWD
10	K	OS	15.3	No	Tibia L	CHT, loc S	Bone	Femur R	22.6	CHT, loc S	AWD
11	M	OS	12.1	No	Femur L	CHT, loc S	Bone	Femur R	14.6	CHT, loc S	AWD

No: number; M: male; F: female; ES: Ewing sarcoma; OS: osteosarcoma; L: left; R: right; CHT: chemotherapy; RT: radiation; loc S: surgery of bone lesion; met S: surgery of lung metastases; AWD: alive without the disease; DOD: death of disease.