Classification and reconstruction of femoral bone defect in the revision of aseptic loosening of distal femoral endoprostheses: a 10-year multicenter retrospective analysis

Table 2 Details of diagnosis and primary replacement in 31 patients

Case	Gender	Age(yrs)	Site	Pathological diagnosis	Primary replacement	Survival time of endoprosthesis (yrs)	Type
1	male	49	R	OS	RHP	2	I
2	male	22	L	OS	RHP	1	I
3	male	33	L	GCT	RHP	4	I
4	male	15	R	OS	RHP	4	I
5	male	64	R	GCT	RHP	3	I
6	male	59	R	GCT	FHP	11	I
7	male	17	R	OS	RHP	5	I
8	male	45	R	CS	FHP	1	I
9	female	46	R	DF	FHP	13	I
10	female	49	R	GCT	RHP	15	I
11	female	33	R	GCT	RHP	13	I
12	male	49	L	MFH	RHP	3	I
13	male	40	L	GCT	RHP	11	IIa
14	male	37	L	GCT	FHP	14	IIa
15	female	25	L	OS	RHP	8	IIa
16	male	31	L	OS	RHP	4	IIa
17	female	38	R	OS	RHP	11	IIa
18	female	64	R	GCT	FHP	20	IIa
19	male	39	R	GCT	RHP	7	IIa
20	male	58	L	MPNST	RHP	3	IIb
21	male	40	L	GCT	RHP	11	IIb
22	female	38	R	GCT	FHP	10	IIb
23	male	50	L	GCT	RHP	14	IIb
24	male	53	L	GCT	RHP	9	IIb
25	male	54	L	GCT	RHP	12	IIb
26	female	60	L	GCT	FHP	27	IIb
27	male	31	L	OS	FHP	14	III
28	male	48	L	GCT	RHP	13	III
29	female	75	L	GCT	RHP	14	III
30	male	58	L	GCT	RHP	7	III
31	female	56	L	OS	RHP	7	IV

R Right, L Left, OS Osteosarcoma, GCT Giant cell tumor, CS Chondrosarcoma, DF Desmoid-type Fibromatosis, MHF Malignant fibrous histiocytoma, MPNST Malignant peripheral nerve sheath tumor, FHP Fixed hinge prosthesis, RHP Rotating hinge prosthesis

ISSN: 1471-2474