Deform-registered rectal contours for prostate cancer patients - 373 contours from 37 patients

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Rørtveit, Øyvind Lunde, 2023, "Deform-registered rectal contours for prostate cancer patients - 373 contours from 37 patients", https://doi.org/10.18710/DKVPIJ, DataverseNO, V1

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Description	Contours of the recti of 37 prostate cancer patients from Haukeland University Hospital years 2007-2009. The patients were part of a study on hypofractionated radiotherapy with integrated boost, as desribed in Ekanger et al. (2018). The data is now fully anonymous, as the identification keys have been deleted. Each patient had a planning CT plus 6-10 CT repeat CT scans taken during the course of radiotherapy. The rectum was delineated on every scan by an expert physicist. The contours are represented as polyhedra, where each shape contour consist of a set of of 18063 points, with x, y and z-coordinates, on the organ surface. The points are tied together by 36168 triangular faces. The definition of of the triangular faces are given by an array of indices into the arrays of contour points. All contours have been deformably registered to a reference shape; therefore, there is point-to-point correspondence between all shapes in the dataset. This makes the data ideal for statistical modelling. This data was used in the models of Rørtveit et al. (2021) and Rørtveit et al. (2023). A description of the patients, treatment and imaging is given in Hysing et al. (2018). Two representations of the data are available in this dataset; firstly a Matlab .mat file which contains all the data. For users who do not use Matlab, the data is also made available as text files in the form of comma separated values. (2023-10-02)
Subject	Medicine, Health and Life Sciences
Keyword	Radiotherapy, Prostatic Neoplasms, Rectum, Contours, Deformable registration
Related Publication	Rørtveit ØL, Hysing LB, Stordal AS, Pilskog S. An organ deformation model using Bayesian inference to combine population and patient-specific data. Phys Med Biol. 2023;68(5):055009. doi:10.1088/1361-6560/acb8fc doi: 10.1088/1361-6560/acb8fc
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	patientdata.mat MATLAB Data - 144.1 MB Published Nov 6, 2023 51 Downloads MD5: 885234729410f15af1c4c79d11c0897f A MATLAB(TM) data-file containing all data. Contains the array "faces" which defines the polyhedron faces by referencing into the column numbers of the connected surface points. The struct array "patientData" contains all shapes for all patients. Each entry in "patientData" contains two fields, "id" which is a number that can be used to refer to individual patients, and a cell-array called contourPoints, which contains the seven to eleven rectum contour shapes for each patient. Each cell in the cell array is a 18063-by-3 matrix, where each row represents a point in 3D, and the columns represent x, y and z-coordinates, respectively.	Access File File Access Public Download Options MATLAB Data Download Metadata Data File Citation EndNote XML RIS BibTeX
	Rectal_contours.zip ZIP Archive - 159.3 MB Published Nov 6, 2023 47 Downloads MD5: 0b5a41cb02c95410242ac2af15eccb1f Zip archive containing all shapes stored as CSV-text files. Contains the same data as in the MATLAB file, but in text format (CSV, comma separated values). The zip file contains the file "polyhedron_faces.txt" in the root folder. This file contains an array defining the polyhedron faces. Each row in this array contains three indices (0-based) into the surface point arrays, together, these three points define a triangular face. Furthermore, the zip archive contains 37 folders, one for each patient. The folders are named "Patient <ID>", where <ID> is a number used to refer to the patient. Each folder contains between seven and eleven csv files called "shape <number>", where <number> is between 1 and 11. The first shape (number 1) is from the planning CT; the remaining shapes are recorded during the course of radiotherapy. They are not guaranteed to be in chronological order. The csv files contain 18063 lines, each with three entries. The lines represent points in 3D, and three entries in each line represent x, y and z coordinates, respectively.	Preview "Rectal_contours.zip" Access File File Access Public Download Options ZIP Archive Download Metadata Data File Citation EndNote XML RIS BibTeX
	00_readme.txt 00_README.txt/Plain Text - 8.9 KB Published Nov 6, 2023 52 Downloads MD5: 6dca1e0c92ad45160eef6b3c89bf47d6 Readme file. Contains documentation and metadata for the data set.	Preview "00_README.txt/00_readme.txt" Access File File Access Public Download Options Plain Text Download Metadata Data File Citation EndNote XML RIS BibTeX

Citation Metadata

Persistent Identifier	doi:10.18710/DKVPIJ
Publication Date	2023-11-06
Title	Deform-registered rectal contours for prostate cancer patients - 373 contours from 37 patients
Author	Rørtveit, Øyvind Lunde (University of Bergen) - ORCID: 0000-0001-6545-663X
Point of Contact	Use email button above to contact. Rørtveit, Øyvind Lunde (University of Bergen)
Description	Contours of the recti of 37 prostate cancer patients from Haukeland University Hospital years 2007-2009. The patients were part of a study on hypofractionated radiotherapy with integrated boost, as desribed in Ekanger et al. (2018). The data is now fully anonymous, as the identification keys have been deleted. Each patient had a planning CT plus 6-10 CT repeat CT scans taken during the course of radiotherapy. The rectum was delineated on every scan by an expert physicist. The contours are represented as polyhedra, where each shape contour consist of a set of of 18063 points, with x, y and z-coordinates, on the organ surface. The points are tied together by 36168 triangular faces. The definition of of the triangular faces are given by an array of indices into the arrays of contour points. All contours have been deformably registered to a reference shape; therefore, there is point-to-point correspondence between all shapes in the dataset. This makes the data ideal for statistical modelling. This data was used in the models of Rørtveit et al. (2021) and Rørtveit et al. (2023). A description of the patients, treatment and imaging is given in Hysing et al. (2018). Two representations of the data are available in this dataset; firstly a Matlab .mat file which contains all the data. For users who do not use Matlab, the data is also made available as text files in the form of comma separated values. (2023-10-02)
Subject	Medicine, Health and Life Sciences
Keyword	Radiotherapy ([Mesh]) https://www.ncbi.nlm.nih.gov/mesh/68011878 Prostatic Neoplasms ([Mesh]) https://www.ncbi.nlm.nih.gov/mesh/?term=prostate+cancer Rectum ([Mesh]) https://www.ncbi.nlm.nih.gov/mesh/68012007 Contours Deformable registration
Related Publication	Rørtveit ØL, Hysing LB, Stordal AS, Pilskog S. An organ deformation model using Bayesian inference to combine population and patient-specific data. Phys Med Biol. 2023;68(5):055009. doi:10.1088/1361-6560/acb8fc doi: 10.1088/1361-6560/acb8fc https://dx.doi.org/10.1088/1361-6560/acb8fc Rørtveit ØL, Hysing LB, Stordal AS, Pilskog S. Reducing systematic errors due to deformation of organs at risk in radiotherapy. Medical Physics. 2021;48(11):6578-6587. doi:10.1002/mp.15262 doi: 10.1002/mp.15262 https://onlinelibrary.wiley.com/doi/abs/10.1002/mp.15262 Hysing LB, Ekanger C, Zolnay Á, et al. Statistical motion modelling for robust evaluation of clinically delivered accumulated dose distributions after curative radiotherapy of locally advanced prostate cancer. Radiother Oncol. 2018;128(2):327-335. doi:10.1016/j.radonc.2018.06.004 doi: 10.1016/j.radonc.2018.06.004 https://dx.doi.org/10.1016/j.radonc.2018.06.004 Ekanger, C., Helle, S.I., Heinrich, D., Johannessen, D.C., Karlsdóttir, Á., Nygård, Y., Halvorsen, O.J., Reisæter, L., Kvåle, R., Hysing, L.B., Dahl, O., 2020. Ten-Year Results From a Phase II Study on Image Guided, Intensity Modulated Radiation Therapy With Simultaneous Integrated Boost in High-Risk Prostate Cancer. Adv Radiat Oncol 5, 396–403. https://doi.org/10.1016/j.adro.2019.11.007 doi: 10.1016/j.adro.2019.11.007 https://doi.org/10.1016/j.adro.2019.11.007
Production Location	Haukeland University Hospital, Bergen, Norway
Contributor	Project Leader : Hysing, Liv Bolstad Researcher : Pilskog, Sara Researcher : Ekanger, Christian Related Person : Thor, Maria
Distributor	University of Bergen (UiB) https://dataverse.no/dataverse/uib
Depositor	Rørtveit, Øyvind Lunde
Deposit Date	2023-10-02
Date of Collection	Start Date: 2007-01-01 ; End Date: 2009-12-31
Data Type	Clinical data
Software	Matlab, Version: R2020a Matterhorn, Version: v.16

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