2021
DOI: 10.3389/fonc.2021.702270
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An Adversarial Deep-Learning-Based Model for Cervical Cancer CTV Segmentation With Multicenter Blinded Randomized Controlled Validation

Abstract: PurposeTo propose a novel deep-learning-based auto-segmentation model for CTV delineation in cervical cancer and to evaluate whether it can perform comparably well to manual delineation by a three-stage multicenter evaluation framework.MethodsAn adversarial deep-learning-based auto-segmentation model was trained and configured for cervical cancer CTV contouring using CT data from 237 patients. Then CT scans of additional 20 consecutive patients with locally advanced cervical cancer were collected to perform a … Show more

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Cited by 12 publications
(16 citation statements)
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“…Furthermore, we have to focus on the robustness of U-net, once, deep learning was considered by clinicians to be a "black box algorithm" because of the uncertainty of its results [44]. Nowadays, the same excellent results (DSC > 0.8) have been achieved in several internal and external tests and even in multi-center blinded randomized controlled tests [5,9,24]. Moreover, we also noticed that the U-net achieved good segmentation results in glioma [18], head and neck tumors [19], prostate cancer [45], and breast cancer [46].…”
Section: Discussionmentioning
confidence: 99%
See 1 more Smart Citation
“…Furthermore, we have to focus on the robustness of U-net, once, deep learning was considered by clinicians to be a "black box algorithm" because of the uncertainty of its results [44]. Nowadays, the same excellent results (DSC > 0.8) have been achieved in several internal and external tests and even in multi-center blinded randomized controlled tests [5,9,24]. Moreover, we also noticed that the U-net achieved good segmentation results in glioma [18], head and neck tumors [19], prostate cancer [45], and breast cancer [46].…”
Section: Discussionmentioning
confidence: 99%
“…For a physician, it often takes half an hour to delineate the CTV, while for DLs it takes only 15 s to 2 min to complete [ 4 , 6 , 7 , 22 ]. The results of the evaluation of the metrics show that the current performance of deep learning segmentation of cervical cancer CTV and OARs can achieve good results (DSC > 0.8), and oncologists also say that the results of segmentation by DLs can be used directly or with minor modifications in clinical RT [ 5 , 6 , 8 , 23 , 24 ]. Therefore, with computer assistance, it will provide great convenience and optimize the work of clinical radiotherapy.…”
Section: Discussionmentioning
confidence: 99%
“…Image segmentation is a key step in the radiation therapy (RT) workflow since precise delineation of the region of interest (ROI) will improve local tumor control and reduce the incidence of side effects in the surrounding normal tissues 1–3 . Automatic segmentation approaches based on deep learning (DL) have been proven to be time‐saving and to improve consistency among oncologists, and thus greatly shorten the turnaround time of patients 4–7 . Recently, a lightweight DL framework was developed by using a large‐scale dataset of 28 581 cases.…”
Section: Introductionmentioning
confidence: 99%
“…[1][2][3] Automatic segmentation approaches based on deep learning (DL) have been proven to be time-saving and to improve consistency among oncologists, and thus greatly shorten the turnaround time of patients. [4][5][6][7] Recently, a lightweight DL framework was developed by using a large-scale dataset of 28 581 cases.Superior accuracy with an average Dice of 0.95 was achieved on 67 delineation tasks and real-time delineation in whole-body organs at risk (OARs) and tumors was less than 2 s. 8 Despite the great promise of this technique, it is still necessary to evaluate its geometric accuracy before implementing it in clinical applications. [9][10][11] Generally, two main categories of evaluation metrics (region-based and boundary-based) were used for assessment of the goodness and usefulness of automatic delineation.…”
Section: Introductionmentioning
confidence: 99%
“…DL-based networks were open-source, which were developed in many researches [11][12][13]. In addition, the cervical cancer automatic delineation DL models studies did not have external validation [10][11][12][13] and only few researches had clinical evaluation [9]. The generalization and robustness of the DL models are still unclear and the clinical applicability is also unknown.…”
Section: Introductionmentioning
confidence: 99%