Evidence map›Paper›PMID 33410568›Full record

ArticleJournal of applied clinical medical physics2021

Performance of deep learning synthetic CTs for MR-only brain radiation therapy.

Xiaoning Liu, Hajar Emami, Siamak P Nejad-Davarani, Eric Morris, Lonni Schultz, Ming Dong, Carri K Glide-Hurst

Open access · goldAbstract read
In one paragraph

Article in Journal of applied clinical medical physics, 2021. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 16 papers, 1 of them a synthesis that pooled it.

0numbers the graph read from it
0cells of the map it votes in
16citing papers in PubMed, 1 pooled it
6.6field-weighted citation impact, top 3% of its field
1 · What the graph read from it

What it found

Each row is one number read from the abstract, on the scale the paper reported it, with its interval. Left of the dashed line favours the treatment, right favours the comparator. Under each row is the sentence it came from. New to these charts? A ten-minute tutorial.

The abstract states no effect estimate the extractor could read, or names no intervention and outcome on the map, so this paper lights no cell and moves no belief. It is still indexed, cited and linked below.

2 · The registry

The trial behind it

Trials whose registry record cites this paper, or whose number appears in the abstract. A trial that started after this paper was published is citing it as background, not reporting it.

Neither the registry nor the abstract names a trial number. If this is a trial report, that itself is worth knowing.

3 · Its place in the literature

Who cites it

16 citing papers in PubMed, 1 synthesis or guideline pooled it, 33 citations in OpenAlex.

  1. Pooled it
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  5. Principles of artificial intelligence in radiooncology.Strahlentherapie und Onkologie : Organ der Deutschen Rontgengesellschaft ... [et al] · 2025
    Review
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  10. Article
  11. Review
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  13. Synthetic CTs for MRI-only brain RT treatment: integration of immobilization systems.Strahlentherapie und Onkologie : Organ der Deutschen Rontgengesellschaft ... [et al] · 2023
    Article
  14. Article
  15. Article
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4 · The record

Corrections and comments

PubMed lists nothing against this paper. Absence here is not a guarantee, only a check that was made.

5 · Who and what money

Authors and funding

7 authors at 6 institutions in 1 country.

Xiaoning LiuDepartment of Medical Physics, Memorial Sloan Kettering Cancer Center, Middletown, NJ, USA.
Hajar EmamiDepartment of Computer Science, Wayne State University, Detroit, MI, USA.
Siamak P Nejad-DavaraniDepartment of Radiation Oncology, University of Michigan, Ann Arbor, MI, USA.
Eric MorrisDepartment of Radiation Oncology, University of California-Los Angeles, Los Angeles, CA, USA.
Lonni SchultzDepartment of Public Health Sciences, Henry Ford Health System, Detroit, MI, USA.
Ming DongDepartment of Computer Science, Wayne State University, Detroit, MI, USA.
Carri K Glide-HurstDepartment of Human Oncology, School of Medicine and Public Heath, University of Wisconsin - Madison, Madison, WI, USA.
Wayne State University · USHenry Ford Health System · USMemorial Sloan Kettering Cancer Center · USUniversity of California, Los Angeles · USUniversity of Michigan–Ann Arbor · USUniversity of Wisconsin–Madison · US

Funding

X-RAY CRYSTALLOGRAPHYP30CA008748 · NCI · SLOAN-KETTERING INSTITUTE FOR CANCER RES · PI Nicholas D Socci · 1985 to 2026
$347.4M
Development of Anatomical Patient Models to Facilitate MR-only Treatment PlanningR01CA204189 · NCI · UNIVERSITY OF WISCONSIN-MADISON · PI GLIDE-HURST, CARRI KAYE · 2016 to 2020
$1.5M
National Science Foundation (NSF) CNS-1637312NCI NIH HHS P30 CA008748NCI NIH HHS R01 CA204189NIH HHS R01 CA204189
6 · The paper itself

Abstract

purposeTo evaluate the dosimetric and image-guided radiation therapy (IGRT) performance of a novel generative adversarial network (GAN) generated synthetic CT (synCT) in the brain and compare its performance for clinical use including conventional brain radiotherapy, cranial stereotactic radiosurgery (SRS), planar, and volumetric IGRT. METHODS AND MATERIALS: SynCT images for 12 brain cancer patients (6 SRS, 6 conventional) were generated from T1-weighted postgadolinium magnetic resonance (MR) images by applying a GAN model with a residual network (ResNet) generator and a convolutional neural network (CNN) with 5 convolutional layers as the discriminator that classified input images as real or synthetic. Following rigid registration, clinical structures and treatment plans derived from simulation CT (simCT) images were transferred to synCTs. Dose was recalculated for 15 simCT/synCT plan pairs using fixed monitor units. Two-dimensional (2D) gamma analysis (2%/2 mm, 1%/1 mm) was performed to compare dose distributions at isocenter. Dose-volume histogram (DVH) metrics (D

resultsAverage gamma passing rates at 1%/1mm and 2%/2mm were 99.0 ± 1.5% and 99.9 ± 0.2%, respectively. Excellent agreement in DVH metrics was observed (mean difference ≤0.10 ± 0.04 Gy for targets, 0.13 ± 0.04 Gy for OARs). The population averaged mean difference in CBCT-synCT registrations were <0.2 mm and 0.1 degree different from simCT-based registrations. The mean difference between kV-synCT DRR and kV-simCT DRR registrations was <0.5 mm with no statistically significant differences observed (P > 0.05). An outlier with a large resection cavity exhibited the worst-case scenario.

conclusionBrain GAN synCTs demonstrated excellent performance for dosimetric and IGRT endpoints, offering potential use in high precision brain cancer therapy.

Indexed as

Deep LearningRadiotherapy, Image-GuidedBrainHumansRadiotherapy DosageRadiotherapy Planning, Computer-AssistedDeep LearningGeneral Adversarial NetworkImage Guided Radiation TherapySynthetic CT

Identifiers

PMID33410568
PMCPMC7856502
OpenAlexW2991384855

What OpenQuestion holds

Textmetadata
LicenceCC BY
Read underepoch 390

Registered trials

None linked

Read under generation 80e0d062 · epoch 390. Bibliography from PubMed, PubMed Central and OpenAlex; grants from NIH RePORTER; trial links from ClinicalTrials.gov; estimates, votes and beliefs from the OpenQuestion graph.