Use of Ligament Advanced Reinforcement System tube in stabilization of proximal humeral endoprostheses

Table 1 Classification of humerus head implant position

1 > 50% inferior migration of Prosthesis H.Head

2 < 50% inferior migration of Prosthesis H.Head

3 = Centralized

4 < 50% superior migration of Prosthesis H.Head

5 > 50% superior migration of Prosthesis H.Head

6 = Unstable

Table 2 Patients characteristics

Patient	Sex	Age	Diagnosis	Lesion side
1	Male	43	Ewing sarcoma	R
2	Male	58	Telangiectatic osteogenic sarcoma	R
3	Female	31	Chondrosarcoma	L
4	Female	53	Metastatic carcinoma renal cell primary	R
5	Male	67	Metastatic lung primary	L
6	Female	51	Metastatic lung primary adenocarcinoma	R
7	Male	64	Chondrosarcoma	L
8	Female	63	Metastatic thyroid	L
9	Female	52	Chondrosarcoma	R
10	Female	64	Metastatic clear cell renal	L
11	Male	23	Ewing sarcoma	L
12	Male	54	Metastatic renal cell carcinoma	R
13	Female	61	Metastatic breast	R
14	Male	70	Metastatic renal	L
15	Female	51	Metastatic undiferentiated sarcoma of bone	L
16	Female	68	Chondrosarcoma	L
17	Male	66	Metastatic clear cell renal	R
18	Male	77	Metastatic lung adenocarcinoma	R
19	Male	52	Multiple myeloma	R

L: Left; R: Right.