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Cone Beam Intraoperative Computed Tomography-based Image Guidance for Minimally Invasive Transforaminal Interbody Fusion

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Helical CT myelogram: the Ibadan initial experience.

O A Ogunseyinde¹, G I Ogbole, Y U Osuagwu

¹Department of Radiology, University College Hospital Ibadan, Nigeria. roguns@comui.edu.ng

African Journal of Medicine and Medical Sciences

|September 19, 2007

Summary

Helical CT myelogram effectively visualizes spinal abnormalities, offering improved diagnostic capabilities for spinal disorders. This advanced imaging technique provides clear silhouette images of the spinal cord.

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Area of Science:

Radiology
Medical Imaging
Neurosurgery

Background:

Computed Tomography (CT) evolved significantly with 1990s slip-ring technology, enabling faster scanning and thinner slices.
Helical CT myelography represents a recent advancement in diagnosing spinal conditions.

Purpose of the Study:

To assess the initial clinical utility of Helical CT myelogram for investigating spinal abnormalities.
To evaluate the diagnostic performance of Helical CT myelogram in a clinical setting.

Main Methods:

A descriptive study involving 56 patients undergoing Helical CT myelogram between January 2004 and March 2005.
Axial scans were performed post-lumbar puncture with contrast (iopamidol) injection.
Analysis included demographic, clinical, and CT findings.

Main Results:

Patient age ranged from 3 to 75 years, with peak incidence in the 4th and 5th decades.
Males constituted 66% of the study population.
Thoracic and thoraco-lumbar regions were most frequently scanned (39.2%).
Low back pain (32.1%) and paraplegia (29.6%) were primary indications.
Spinal cord compression (34%) and spondylosis (20%) were key findings.

Conclusions:

Helical CT myelogram is a valuable tool for investigating spinal abnormalities.
The technique provides excellent visualization of the spinal cord's silhouette, aiding diagnosis.