Table 1. Patients Demographic Data.

Case	Sex	Age	Histology	Site	Size (cm)	Blood Loss (mL)	Post-Op Transfusion (units)	MSTS (March 2010)	Follow up (months)
1	F	40	Giant Cell Tumour of Bone	Left Iliac Crest	17 x 15 x 12	1200	2	24	55
2	M	19	Osteoblastoma	Sacrum	8 x 6	600	0	26	55
3	F	23	Osteosarcoma	Sacrum	4 x 3	100	0	28	55
4	M	14	Aneurysmal Bone Cyst	Sacrum	5.5 x 1.5	300	0	27	55
5	M	29	Spindle Cell Sarcoma	Left Ilium	17 x 16 x 9	1100	2	21	55
6	F	19	Aneurysmal Bone Cyst	Right Suprapubic Rami	10 x 4x 1.5	700	1	24	55
7	F	82	Haemangioma	Right thigh	8 x 7 x 5	450	1	28	55
8	M	66	Spindle Cell Sarcoma	Sacrum	9 x 4 x 2.5	300	0	26	48
9	F	61	Clear Cell Carcinoma (renal)	Right ilium	17 x 13 x 10	1500	2	25	48
10	F	23	Aneurysmal Bone Cyst	Femur	5 x 4 x 7	400	1	26	48
11	F	74	metastatic renal	Right femur	7 x 9 x 3	800	1	27	48
12	F	22	Metastatic Thyroid Carcinoma	Right Ilium	14 x 12 x 8	1800	3	22	31
13	F	25	Giant Cell Tumour of Bone	Right Ilium	18 x 16 x 7	1700	3	24	30
14	F	37	A-V Haemangioma	Right Forearm	11 x 2 x 1.5	400	0	26	31
15	F	18	Aneurysmal Bone Cyst	Right Suprapubic Rami	5 x 3 x 1	200	0	27	31
16	M	29	Haemangioma	Right Acetabulum	2.5 x 1.5 x 1	300	0	26	24
17	F	28	Haemangioma	L2 Vertebral Body	4 x 2 x 0.7	200	0	27	24
18	M	61	Clear Cell Carcinoma (renal)	Left Scapula	21 x 14 x 6	1700	2	20	24
19	F	18	Aneurysmal Bone Cyst	Radius	6 x 3 x 5	200	0	21	19
20	F	68	Giant Cell Tumour of Bone	Sacrum	7 x 9 x 3	200	0	25	19
21	M	53	metastatic renal	Tibia	12 x 10 x 5	1300	2	24	19
22	F	27	Aneurysmal Bone Cyst	Left Humerus	13 x 8 x 7	1100	2	22	15
23	M	20	Aneurysmal Bone Cyst	Ilium	16 x 13 x 9	1200	2	26	15
24	F	61	Clear Cell Carcinoma (renal)	Left femur	12 x 7 x 9	900	1	25	9
25	M	65	Haemangioma	Thigh	15 x 5 x 8	1400	3	23	9
26	F	38	Metastatic Thyroid Carcinoma	Right Ilium	8 x 8 x 3	650	1	27	9
Avg		39.2			10.5 x 7.5 x 5.5	797	1.11	24.9	34.1