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Deep learning to achieve clinically applicable segmentation of head and neck anatomy for radiotherapy

S. Nikolov, S. Blackwell, R. Mendes, J. De Fauw, C. Meyer, C. Hughes, H. Askham, B. Romera-Paredes, A. Karthikesalingam, C. Chu, D. Carnell, C. , D. D'Souza, S. Moinuddin, K. Sullivan, D. Consortium, H. Montgomery, G. Rees, R. Sharma, M. Suleyman, T. Back, J. Ledsam, Olaf Ronneberger
Technical Report , arXiv:1809.04430, Sep 2018
Abstract: Over half a million individuals are diagnosed with head and neck cancer each year worldwide. Radiotherapy is an important curative treatment for this disease, but it requires manually intensive delineation of radiosensitive organs at risk (OARs). This planning process can delay treatment commencement. While auto-segmentation algorithms offer a potentially time-saving solution, the challenges in defining, quantifying and achieving expert performance remain. Adopting a deep learning approach, we demonstrate a 3D U-Net architecture that achieves performance similar to experts in delineating a wide range of head and neck OARs. The model was trained on a dataset of 663 deidentified computed tomography (CT) scans acquired in routine clinical practice and segmented according to consensus OAR definitions. We demonstrate its generalisability through application to an independent test set of 24 CT scans available from The Cancer Imaging Archive collected at multiple international sites previously unseen to the model, each segmented by two independent experts and consisting of 21 OARs commonly segmented in clinical practice. With appropriate validation studies and regulatory approvals, this system could improve the effectiveness of radiotherapy pathways.


Other associated files : 1809.04430.pdf [8.9MB]  

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BibTex reference

@TechReport{Ron18a,
  author       = "S. Nikolov and S. Blackwell and R. Mendes and J. De Fauw and C. Meyer and C. Hughes and H. Askham and B. Romera-Paredes and A. Karthikesalingam and C. Chu and D. Carnell and C. and D. D'Souza and SA. Moinuddin and K. Sullivan and DeepMind Radiographer Consortium and H. Montgomery and G. Rees and R. Sharma and M. Suleyman and T. Back and JR. Ledsam and O. Ronneberger",
  title        = " Deep learning to achieve clinically applicable segmentation of head and neck anatomy for radiotherapy",
  institution  = "arXiv:1809.04430",
  month        = "Sep",
  year         = "2018",
  url          = "http://lmb.informatik.uni-freiburg.de/Publications/2018/Ron18a"
}

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