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Spine (Phila Pa 1976). 2001 Feb 1;26(3):E19-23.

Osteopenia in adolescent idiopathic scoliosis: a histomorphometric study.

Author information

1
Department of Orthopaedics and Traumatology, Prince of Wales Hospital, Chinese University of Hong Kong. jackcheng@cuhk.edu.hk

Abstract

STUDY DESIGN:

Bone biopsies from iliac crest and spinous process of adolescent idiopathic scoliosis patients were obtained intraoperatively for histology and histomorphometric analysis.

OBJECTIVES:

To study the histologic features of cancellous bone and to correlate the histomorphometric variables with preoperative bone mineral density in patients with adolescent idiopathic scoliosis.

SUMMARY OF BACKGROUND DATA:

Low bone mineral density has been reported in adolescent idiopathic scoliosis. However, there is limited information about the histopathologic changes.

METHODS:

Undecalcified and decalcified bone specimens from iliac crest and spinous process of adolescent idiopathic scoliosis patients obtained intraoperatively were stained with Goldner and hematoxylin & eosin stain, respectively. Results were correlated with bone mineral density of the lumbar spine (L2-L4) and proximal femur measured before surgery.

RESULTS:

Bone histology showed significant less osteocyte count in the trabecular bone characterized with smooth and continuous borders in patients with adolescent idiopathic scoliosis. Histomorphometry confirmed the lower static parameters. The results correlated well with the decreased bone mineral density.

CONCLUSION:

Bone biopsy study suggested disturbance of bone turnover in patients with adolescent idiopathic scoliosis. The abnormal metabolism might contribute to the low bone mineral density and play an important role in the etiology and pathogenesis of adolescent idiopathic scoliosis.

PMID:
11224874
[Indexed for MEDLINE]

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