Scoliosis CT
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American Roentgen Ray Society Images of Scoliosis CT |
Editor-In-Chief: C. Michael Gibson, M.S., M.D. [1]; Associate Editor(s)-in-Chief: Rohan A. Bhimani, M.B.B.S., D.N.B., M.Ch.[2]
Overview
Computed tomography(CT) allows better imaging of bony architecture than plain films alone. Patients with a complex osseous deformity, x-rays alone are insufficient and the use of CT is necessary, especially when surgery is planned.
CT scan
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- The main purpose of performing computed tomography(CT) in a patient with scoliosis is to identify an underlying osseous cause
- Computed tomography allows better imaging of bony architecture than plain films alone[1][2]
- Radiography is the method of choice for the initial diagnostic imaging evaluation
- X-rays are usually sufficient to exclude most congenital and developmental osseous anomalies, which account for most cases of scoliosis with an underlying pathologic origin
- Patients with a complex osseous deformity, radiography alone is inadequate and the use of CT is mandatory, especially when surgery is planned
- Multidetector CT with 3-D image reconstruction allows the visualization of complex osseous abnormalities of congenital scoliosis
- Three-dimensional reconstructions of computed tomography scans are more helpful than plain films in visualizing posterior vertebral anomalies associated with hemivertebra
- CT scan can be helpful especially when planning the surgical excision of hemivertebrae because it may depict unexpected osseous anomalies that were not clearly depicted at initial radiography
- Preoperative CT angiography is also useful for determining whether coexistent anomalous vascular conditions are present
References
- ↑ Hedequist DJ, Emans JB (2003). "The correlation of preoperative three-dimensional computed tomography reconstructions with operative findings in congenital scoliosis". Spine (Phila Pa 1976). 28 (22): 2531–4, discussion 1. doi:10.1097/01.BRS.0000092382.80487.F0. PMID 14624090.
- ↑ Yamazaki M, Koda M, Aramomi MA, Hashimoto M, Masaki Y, Okawa A (2005). "Anomalous vertebral artery at the extraosseous and intraosseous regions of the craniovertebral junction: analysis by three-dimensional computed tomography angiography". Spine (Phila Pa 1976). 30 (21): 2452–7. PMID 16261125.