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Current Oncology
Volume 18
Issue 6
10.3747/co.v18i6.797
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Current Oncology is published by MDPI from Volume 28 Issue 1 (2021). Previous articles were published by another publisher in Open Access under a CC-BY (or CC-BY-NC-ND) licence, and they are hosted by MDPI on mdpi.com as a courtesy and upon agreement with Multimed Inc..
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Article

Inter-Rater Reliability between Musculoskeletal Radiologists and Orthopedic Surgeons on Computed Tomography Imaging Features of Spinal Metastases

by
L. Khan
,
G. Mitera
*,
L. Probyn
,
M. Ford
,
M. Christakis
,
J. Finkelstein
,
A. Donovan
,
L. Zhang
,
L. Zeng
,
J. Rubenstein
,
A. Yee
,
L. Holden
and
E. Chow
Bone Metastases Site Group, Odette Cancer Centre, Sunnybrook Health Sciences Centre, University of Toronto, Toronto, ON, Canada
*
Author to whom correspondence should be addressed.
Curr. Oncol. 2011, 18(6), 282-287; https://doi.org/10.3747/co.v18i6.797
Submission received: 7 November 2011 / Revised: 9 November 2011 / Accepted: 13 November 2011 / Published: 1 December 2011

Abstract

Introduction: The primary objective of this pilot study was to examine the inter-rater reliability in scoring the computed tomography (ct) imaging features of spinal metastases in patients referred for radiotherapy (rt) for bone pain. Methods: In a retrospective review, 3 musculoskeletal radiologists and 2 orthopedic spinal surgeons independently evaluated ct imaging features for 41 patients with spinal metastases treated with rt in an outpatient radiation clinic from January 2007 to October 2008. The evaluation used spinal assessment criteria that had been developed in-house, with reference to: osseous and soft tissue tumour extent; presence of a pathologic fracture; severity of vertebral height loss, and; presence of kyphosis. The Cohen kappa coefficient between the two specialties was calculated. Results: Mean patient age was 69.2 years (30 men, 11 women). The mean total daily oral morphine equivalent was 73.4 mg. Treatment dose–fractionation schedules included 8 Gy/1 (n = 28), 20 Gy/5 (n = 12), and 20 Gy/8 (n = 1). Areas of moderate agreement in identifying the ct imaging appearance of spinal metastasis included extent of vertebral body involvement (κ = 0.48) and soft-tissue component (κ = 0.59). Areas of fair agreement included extent of pedicle involvement (κ = 0.28), extent of lamina involvement (κ = 0.35), and presence of pathologic fracture (κ = 0.20). Areas of poor agreement included nerve-root compression (κ = 0.14) and vertebral body height loss (κ = 0.19). Conclusions: The range of agreement between musculoskeletal radiologists and orthopedic surgeons for most spinal assessment criteria is moderate to poor. A consensus for managing challenging vertebral injuries secondary to spinal metastases needs to be established so as to best triage patients to the most appropriate therapeutic modality.
Keywords: computed tomography; metastases; inter-rater reliability; spine computed tomography; metastases; inter-rater reliability; spine

Share and Cite

MDPI and ACS Style

Khan, L.; Mitera, G.; Probyn, L.; Ford, M.; Christakis, M.; Finkelstein, J.; Donovan, A.; Zhang, L.; Zeng, L.; Rubenstein, J.; et al. Inter-Rater Reliability between Musculoskeletal Radiologists and Orthopedic Surgeons on Computed Tomography Imaging Features of Spinal Metastases. Curr. Oncol. 2011, 18, 282-287. https://doi.org/10.3747/co.v18i6.797

AMA Style

Khan L, Mitera G, Probyn L, Ford M, Christakis M, Finkelstein J, Donovan A, Zhang L, Zeng L, Rubenstein J, et al. Inter-Rater Reliability between Musculoskeletal Radiologists and Orthopedic Surgeons on Computed Tomography Imaging Features of Spinal Metastases. Current Oncology. 2011; 18(6):282-287. https://doi.org/10.3747/co.v18i6.797

Chicago/Turabian Style

Khan, L., G. Mitera, L. Probyn, M. Ford, M. Christakis, J. Finkelstein, A. Donovan, L. Zhang, L. Zeng, J. Rubenstein, and et al. 2011. "Inter-Rater Reliability between Musculoskeletal Radiologists and Orthopedic Surgeons on Computed Tomography Imaging Features of Spinal Metastases" Current Oncology 18, no. 6: 282-287. https://doi.org/10.3747/co.v18i6.797

APA Style

Khan, L., Mitera, G., Probyn, L., Ford, M., Christakis, M., Finkelstein, J., Donovan, A., Zhang, L., Zeng, L., Rubenstein, J., Yee, A., Holden, L., & Chow, E. (2011). Inter-Rater Reliability between Musculoskeletal Radiologists and Orthopedic Surgeons on Computed Tomography Imaging Features of Spinal Metastases. Current Oncology, 18(6), 282-287. https://doi.org/10.3747/co.v18i6.797

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