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Cervical Cord to Canal Diameter Ratio

Comparison Between the Coronal Diameters of the Cervical Spinal Canal and Spinal Cord Measured Using Computed Tomography and Magnetic Resonance Imaging in Korean Patients

Status
Completed
Phases
Unknown
Study type
Observational
Source
ClinicalTrials.gov
Registry ID
NCT05176301
Enrollment
100
Registered
2022-01-04
Start date
2021-06-08
Completion date
2021-07-12
Last updated
2022-04-01

For informational purposes only — not medical advice. Sourced from public registries and may not reflect the latest updates. Terms

Conditions

Cervical Pain

Keywords

Coronal, Cervical canal diameter, Cervical cord diameter

Brief summary

Cervical epidural block could cause spinal cord injury if the epidural needle is over-inserted and punctures the spinal cord. Investigators retrospectively evaluated the imaging data of 100 patients (50 men and 50 women) who underwent both cervical computed tomography (CT) and cervical magnetic resonance imaging (MRI) at our hospital. Investigators measured the diameters of the spinal canal and spinal cord from the 3rd cervical vertebra to the 1st thoracic vertebra (T1) at each level by using the patients' cervical CT and MR images. The spinal cord and spinal canal diameters were measured in the transverse plane of cervical MR and CT images, respectively.

Detailed description

The spinal canal diameter, i.e., the epidural transverse diameter, was measured as the distance between the innermost border of the left and right pedicles at each upper pedicular level from C3 to T1 on transverse CT images by using a picture archiving and communication system (PACS; INFINITT PACS G3, INFINITT Healthcare, Korea) The spinal cord diameter was measured between the left and right outermost distances of the cord at each upper pedicular level, which were almost the same locations used for measuring the spinal canal diameter, from C3 to T1 on transverse MR images by using the PACS.

Interventions

RADIATIONcomputed tomography, Magnetic resonance image

Investigators measured the cervical cord and canal diameter by using CT and MRI that were previously taken.

Sponsors

Daegu Catholic University Medical Center
Lead SponsorOTHER

Study design

Observational model
COHORT
Time perspective
RETROSPECTIVE

Eligibility

Sex/Gender
ALL
Age
20 Years to 70 Years
Healthy volunteers
No

Inclusion criteria

* 100 patients (50 men and 50 women aged 20 to 70 years old) who visited our hospital and underwent both cervical CT and MRI simultaneously

Exclusion criteria

* patients who had a history of cervical spine surgery or cervical cord edema, whose CT or MR images did not include all the cervical vertebrae from C3 to T1, * patients who had at least one missing medical detail such as diagnosis, age, height, or weight.

Design outcomes

Primary

MeasureTime frameDescription
the cord to canal diameter ratiofrom December 1, 2020 through study completion, an average of 2 years were investigated retrospectively.the measurement of the cord to canal diameter ratio, i.e., the cord to epidural space diameter ratio of each cervical vertebral level from the 3rd cervical vertebra (C3) to the 1st thoracic vertebra (T1) in the coronal plane

Countries

South Korea

Outcome results

None listed

Source: ClinicalTrials.gov · Data processed: Feb 4, 2026