Target volume delineation variation in radiotherapy for early stage rectal cancer in the Netherlands.

Marcel Van Herk; Jasper Nijkamp; Danielle F M de Haas-Kock; Jannet C Beukema; Karen J Neelis; Dankert Woutersen; Heleen Ceha; Tom Rozema; Annerie Slot; Hanneke Vos-Westerman; Martijn Intven; Patty H Spruit; Yvette van der Linden; Debby Geijsen; Karijn Verschueren; Marcel B van Herk; Corrie A M Marijnen

doi:10.1016/j.radonc.2011.08.011

Target volume delineation variation in radiotherapy for early stage rectal cancer in the Netherlands.

Marcel Van Herk, Jasper Nijkamp, Danielle F M de Haas-Kock, Jannet C Beukema, Karen J Neelis, Dankert Woutersen, Heleen Ceha, Tom Rozema, Annerie Slot, Hanneke Vos-Westerman, Martijn Intven, Patty H Spruit, Yvette van der Linden, Debby Geijsen, Karijn Verschueren, Marcel B van Herk, Corrie A M Marijnen

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Abstract

PURPOSE: The aim of this study was to measure and improve the quality of target volume delineation by means of national consensus on target volume definition in early-stage rectal cancer. METHODS AND MATERIALS: The CTV's for eight patients were delineated by 11 radiation oncologists in 10 institutes according to local guidelines (phase 1). After observer variation analysis a workshop was organized to establish delineation guidelines and a digital atlas, with which the same observers re-delineated the dataset (phase 2). Variation in volume, most caudal and cranial slice and local surface distance variation were analyzed. RESULTS: The average delineated CTV volume decreased from 620 to 460 cc (p

Original language	English
Journal	Radiotherapy and oncology : journal of the European Society for Therapeutic Radiology and Oncology
Volume	102
Issue number	1
DOIs	https://doi.org/10.1016/j.radonc.2011.08.011
Publication status	Published - Jan 2012

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10.1016/j.radonc.2011.08.011

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Van Herk, M., Nijkamp, J., de Haas-Kock, D. F. M., Beukema, J. C., Neelis, K. J., Woutersen, D., Ceha, H., Rozema, T., Slot, A., Vos-Westerman, H., Intven, M., Spruit, P. H., van der Linden, Y., Geijsen, D., Verschueren, K., van Herk, M. B., & Marijnen, C. A. M. (2012). Target volume delineation variation in radiotherapy for early stage rectal cancer in the Netherlands. Radiotherapy and oncology : journal of the European Society for Therapeutic Radiology and Oncology, 102(1). https://doi.org/10.1016/j.radonc.2011.08.011

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title = "Target volume delineation variation in radiotherapy for early stage rectal cancer in the Netherlands.",

abstract = "PURPOSE: The aim of this study was to measure and improve the quality of target volume delineation by means of national consensus on target volume definition in early-stage rectal cancer. METHODS AND MATERIALS: The CTV's for eight patients were delineated by 11 radiation oncologists in 10 institutes according to local guidelines (phase 1). After observer variation analysis a workshop was organized to establish delineation guidelines and a digital atlas, with which the same observers re-delineated the dataset (phase 2). Variation in volume, most caudal and cranial slice and local surface distance variation were analyzed. RESULTS: The average delineated CTV volume decreased from 620 to 460 cc (p",

author = "{Van Herk}, Marcel and Jasper Nijkamp and {de Haas-Kock}, {Danielle F M} and Beukema, {Jannet C} and Neelis, {Karen J} and Dankert Woutersen and Heleen Ceha and Tom Rozema and Annerie Slot and Hanneke Vos-Westerman and Martijn Intven and Spruit, {Patty H} and {van der Linden}, Yvette and Debby Geijsen and Karijn Verschueren and {van Herk}, {Marcel B} and Marijnen, {Corrie A M}",

year = "2012",

month = jan,

doi = "10.1016/j.radonc.2011.08.011",

language = "English",

volume = "102",

journal = "Radiotherapy and oncology : journal of the European Society for Therapeutic Radiology and Oncology",

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Van Herk, M, Nijkamp, J, de Haas-Kock, DFM, Beukema, JC, Neelis, KJ, Woutersen, D, Ceha, H, Rozema, T, Slot, A, Vos-Westerman, H, Intven, M, Spruit, PH, van der Linden, Y, Geijsen, D, Verschueren, K, van Herk, MB & Marijnen, CAM 2012, 'Target volume delineation variation in radiotherapy for early stage rectal cancer in the Netherlands.', Radiotherapy and oncology : journal of the European Society for Therapeutic Radiology and Oncology, vol. 102, no. 1. https://doi.org/10.1016/j.radonc.2011.08.011

Target volume delineation variation in radiotherapy for early stage rectal cancer in the Netherlands. / Van Herk, Marcel; Nijkamp, Jasper; de Haas-Kock, Danielle F M et al.
In: Radiotherapy and oncology : journal of the European Society for Therapeutic Radiology and Oncology, Vol. 102, No. 1, 01.2012.

Research output: Contribution to journal › Article › peer-review

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T1 - Target volume delineation variation in radiotherapy for early stage rectal cancer in the Netherlands.

AU - Van Herk, Marcel

AU - Nijkamp, Jasper

AU - de Haas-Kock, Danielle F M

AU - Beukema, Jannet C

AU - Neelis, Karen J

AU - Woutersen, Dankert

AU - Ceha, Heleen

AU - Rozema, Tom

AU - Slot, Annerie

AU - Vos-Westerman, Hanneke

AU - Intven, Martijn

AU - Spruit, Patty H

AU - van der Linden, Yvette

AU - Geijsen, Debby

AU - Verschueren, Karijn

AU - van Herk, Marcel B

AU - Marijnen, Corrie A M

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AB - PURPOSE: The aim of this study was to measure and improve the quality of target volume delineation by means of national consensus on target volume definition in early-stage rectal cancer. METHODS AND MATERIALS: The CTV's for eight patients were delineated by 11 radiation oncologists in 10 institutes according to local guidelines (phase 1). After observer variation analysis a workshop was organized to establish delineation guidelines and a digital atlas, with which the same observers re-delineated the dataset (phase 2). Variation in volume, most caudal and cranial slice and local surface distance variation were analyzed. RESULTS: The average delineated CTV volume decreased from 620 to 460 cc (p

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JO - Radiotherapy and oncology : journal of the European Society for Therapeutic Radiology and Oncology

JF - Radiotherapy and oncology : journal of the European Society for Therapeutic Radiology and Oncology

IS - 1

ER -

Target volume delineation variation in radiotherapy for early stage rectal cancer in the Netherlands.

Abstract

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