1. ABOUT THE DATASET
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Title:	High resolution CT images of cadaveric spine - L4-L5, donor 3

Creator(s): Sophie Hutchinson, Sherif Zantiba, Shambo Bhattacharya, Vithanage Nagitha Wijayathunga, Marlène Mengoni
Organisation(s): University of Leeds, School of Mechanical Engineering, Institute of Medical and Biological Engineering
Rights-holder(s): Copyright 2026 University of Leeds
Publication Year: 2026
Description: This dataset contains DICOM files of high resolution CT of one cadaveric spinal levels L4-L5 - it is part of a wider dataset for which the description of the population is available below
Cite as: 
- if you use only this sample: Hutchinson et al., (2026): High resolution CT images of cadaveric spine - L4-L5, donor 3. University of Leeds. [Dataset] https://doi.org/10.5518/1923
- If you use several samples from the wider popultion: Wijayathunga et al., (2026): IMBE-SPINES-DATASET - High resolution CT and MR images of cadaveric spines. University of Leeds. [Dataset] https://doi.org/10.5518/1835
Related publications: 
    1.	Warren J.P., Hutchinson S., Clark S., Zantiba S., Bhattacharya S., Wijayathunga V.N. & Mengoni M. (in preparation for submission to JOR Spine 2026) Importance of tissue degeneration on alterations to in vitro biomechanics of the facet joints following spinal fusion
    2.	Bhattacharya S., Clark S., Hutchinson S., Wijayathunga V.N., Zantiba S., Warren J.P. & Mengoni M. (in preparation for submission to JOR Spine 2026) Biomechanics of the facet joints: relationships between tissue degeneration and computational contact parameters.
    
Collection: This dataset belongs to the wider collection entitled IMBE-SPINES-DATASET, https://doi.org/10.5518/1835
Ethical approval: Ethical approval was obtained via Yorkshire and the Humber Reseach Ethics Committee (15/YH/0096) for the use of fresh-frozen human cadaveric spines in this work, including publication of imaging data in open repositories.
Contact: Marlène Mengoni M.Mengoni@leeds.ac.uk

2. TERMS OF USE
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This collection is licensed under a Creative Commons Attribution 4.0 International Licence: https://creativecommons.org/licenses/by/4.0/.]

3. PROJECT AND FUNDING INFORMATION
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Title: Spine-Facets - Spinal facet joints: biomechanical evaluation for improved interventions
Dates: 2022-2025
Funding organisation: Engineering and Physical Sciences Research Council 
Grant no.: EP/W015617/1

4. CONTENTS
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This specific dataset relates to donor 3

Filenames for CT scans are [donor_code]-xxx_[spine_levels];
Table of available image data for each spine alongside degeneration quantification; each imaging sequence is stored in a zip file. Each image stack is provided in a DICOM format.

specimen_ID,donor_code,spine_levels,Modified_Pfirmann,Weishaupt_left_facet,Weishaupt_right_facet
1,G24-12,L4-S1,L45: 4; L5S1:7,L45: 3; L5S1:3,L45: 3; L5S1:3
2,G26-12,L1-L2,1,3,3
3,G26-12,L3-L4,6,3,3
4,G26-12,L5-S1,7,1,1
5,G28-11,L4-L5,1,3,2
6,G30-11,L1-L2,NA,NA,NA
7,G30-11,L3-L4,NA,2,2
8,G30-11,L5-S1,NA,3,3
9,G35-11,L1-L2,4,2,1
10,G35-11,L3-L4,6,1,2
11,G35-11,L5-S1,4,3,3

Demographic data for each spine

Spine number,donor code,donor sex,donor age,
1,G24-12,F,77,
2,G26-12,F,54,
3,G28-11,M,65,
4,G30-11,M,92,
5,G35-11,M,64,


5. METHODS
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CT images
   Image: high-resolution peripheral quantitative computed tomography
   Machine: XtremeCT, Scanco Medical AG, Switzerland
   Resolution: isotropic voxel size of 50 µm or 82 µm
   Format: DICOM image stack
   Storage size: Each image stack ~3-12 Gb.