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Literature DB >> 1523487

Quantitative internal dens morphology.

J G Heller¹, M D Alson, M B Schaffler, S R Garfin.

Abstract

Recent work has demonstrated the highly variable and unpredictable external dimensions of the dens (odontoid process). No data have been available regarding internal dimensions. Quantitative computed tomography analysis of 120 axis vertebrae allowed nondestructive measurement of external and internal dens dimensions. The external computed tomography measurements correlated well with caliper-derived data. Minimum internal dens dimensions and cortical thicknesses in the sagittal and transverse planes are reported. Some axis vertebrae may not be amenable to internal fixation of type II dens fractures. Preoperative planning should include quantitative computed tomography analysis of the dens.

Entities: Chemical Disease

Mesh：

Year: 1992 PMID： 1523487 DOI： 10.1097/00007632-199208000-00001

Source DB: PubMed Journal: Spine (Phila Pa 1976) ISSN： 0362-2436 Impact factor: 3.468

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Cited

7 in total

1. Response to reply to the letter to the editor concerning "Gebauer et al.: Subdental synchondrosis and anatomy of the axis in aging: a histomorphometric study on 30 autopsy cases. Eur Spine J 15(3):292-298, 2006": The basis of the dens axis. Where is it located?

Authors: Xiao-ping Wang; Zhi-cheng Deng; Zhen-jiao Liang; Yu-min Tu
Journal: Eur Spine J Date: 2008-10-23 Impact factor: 3.134

Quantitative internal dens morphology.

1. Response to reply to the letter to the editor concerning "Gebauer et al.: Subdental synchondrosis and anatomy of the axis in aging: a histomorphometric study on 30 autopsy cases. Eur Spine J 15(3):292-298, 2006": The basis of the dens axis. Where is it located?

2. One-screw fixation provides similar stability to that of two-screw fixation for type II dens fractures.

3. Anatomy of the dens and its implications for fracture treatment: an anatomical and radiological study.

4. Direct anterior fixation of odontoid fractures with a hollow spreading screw system.

5. Anatomical study of axis for odontoid screw thickness, length, and angle.

6. Quantification of pediatric cervical spine growth at the cranio-vertebral junction.

7. Morphometric parameters of the odontoid process of C2 vertebrae, in Indian population, a CT evaluation.