Treatment of thoracic or lumbar burst fractures with Balloon Assisted Endplate Reduction using Tricalcium Phosphate cement: histological and radiological evaluation

Table 2 Histological and histochemical analysis of the transpedicular biopsies from the bone-cement interface

Patient	Elapsed time (in months)^a	Osteoid formation^b	Osteoclasts & osteoblasts^b	Combined^c	Residual cement^b	Haematopo-ietic tissue^b
1	6	3	3	6	1	1
2	6	2	2	4	2	3
3	7	2	1	3	1	1
4	7	2	2	4	3	2
5	8	2	2	4	3	1
6	8	3	3	6	3	1
7	8	2	1	3	2	3
8	9	3	3	6	3	1
9	9	2	2	4	1	1
10	9	1	1	2	3	1
11	14	2	3	5	3	1

^aElapsed time between the initial surgery and the removal of the instrumentation
^bScore of 1 to 3
^cScore of 2 to 6

ISSN: 1471-2474

Patient	Elapsed time (in months)^a	Osteoid formation^b	Osteoclasts & osteoblasts^b	Combined^c	Residual cement^b	Haematopo-ietic tissue^b
1	6	3	3	6	1	1
2	6	2	2	4	2	3
3	7	2	1	3	1	1
4	7	2	2	4	3	2
5	8	2	2	4	3	1
6	8	3	3	6	3	1
7	8	2	1	3	2	3
8	9	3	3	6	3	1
9	9	2	2	4	1	1
10	9	1	1	2	3	1
11	14	2	3	5	3	1

Patient	Elapsed time (in months)^a	Osteoid formation^b	Osteoclasts & osteoblasts^b	Combined^c	Residual cement^b	Haematopo-ietic tissue^b
1	6	3	3	6	1	1
2	6	2	2	4	2	3
3	7	2	1	3	1	1
4	7	2	2	4	3	2
5	8	2	2	4	3	1
6	8	3	3	6	3	1
7	8	2	1	3	2	3
8	9	3	3	6	3	1
9	9	2	2	4	1	1
10	9	1	1	2	3	1
11	14	2	3	5	3	1

Patient	Elapsed time (in months)^a	Osteoid formation^b	Osteoclasts & osteoblasts^b	Combined^c	Residual cement^b	Haematopo-ietic tissue^b
1	6	3	3	6	1	1
2	6	2	2	4	2	3
3	7	2	1	3	1	1
4	7	2	2	4	3	2
5	8	2	2	4	3	1
6	8	3	3	6	3	1
7	8	2	1	3	2	3
8	9	3	3	6	3	1
9	9	2	2	4	1	1
10	9	1	1	2	3	1
11	14	2	3	5	3	1