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    The impact of an educational tool in cervix image registration across three imaging modalities

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    Authors
    Benson, Rebecca
    Rodgers, John
    Nelder, Claire L
    Clough, Abigael
    Pitt, Eleanor
    Parker, Jacqui
    Whiteside, Lee
    Davies, Lucy
    Bailey, Rachael
    McMahon, John
    Kolbe, Hope
    Cree, A.
    Dubec, Michael
    Van Herk, Marcel
    Choudhury, Ananya
    Hoskin, Peter J
    Eccles, Cynthia L
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    Affiliation
    Department of Radiotherapy, The Christie Hospital NHS Trust, Manchester, UK
    Issue Date
    2022
    
    Metadata
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    Abstract
    Objectives: Accurate image registration is vital in cervical cancer where changes in both planning target volume (PTV) and organs at risk (OARs) can make decisions regarding image registration complicated. This work aims to determine the impact of a dedicated educational tool compared with experience gained in MR-guided radiotherapy (MRgRT). Methods: 10 therapeutic radiographers acted as observers and were split into two groups based on previous experience with MRgRT and Monaco treatment planning system. Three CBCT-CT, three MR-CT and two MR-MR registrations were completed per patient by each observer. Observers recorded translations, time to complete image registration and confidence. Data were collected in two phases; prior to and following the introduction of a cervix registration guide. Results: No statistically significant differences were noted between imaging modalities. Each group was assessed independently pre- and post-education, no statistically significant differences were noted in either CBCT-CT or MR-CT imaging. Group 1 MR-MR imaging showed a statistically significant reduction in interobserver variability (p=0.04), in Group 2, the result was not statistically significant (p=0.06). Statistically significant increases in confidence were seen in all three modalities (p≤0.05). Conclusions: At The Christie NHS Foundation Trust, radiographers consistently registered images across three different imaging modalities regardless of their previous experience. The implementation of an image registration guide had limited impact on inter- and intraobserver variability. Radiographers' confidence showed statistically significant improvements following the use of the registration manual.
    Citation
    Benson R, Rodgers J, Nelder C, Clough A, Pitt E, Parker J, et al. The impact of an educational tool in cervix image registration across three imaging modalities. The British Journal of Radiology. British Institute of Radiology; 2022.
    Journal
    British Journal of Radiology
    URI
    http://hdl.handle.net/10541/625330
    DOI
    10.1259/bjr.20211402
    PubMed ID
    35616660
    Additional Links
    https://dx.doi.org/10.1259/bjr.20211402
    Type
    Article
    Language
    en
    ae974a485f413a2113503eed53cd6c53
    10.1259/bjr.20211402
    Scopus Count
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