Treffer: Preoperative Assessment of Extraprostatic Extension in Prostate Cancer Using an Interpretable Tabular Prior-Data Fitted Network-Based Radiomics Model From MRI.

Title:
Preoperative Assessment of Extraprostatic Extension in Prostate Cancer Using an Interpretable Tabular Prior-Data Fitted Network-Based Radiomics Model From MRI.
Authors:
Liu BC; Department of Radiology, First Medical Center, Chinese PLA General Hospital, Beijing, China., Ding XH; Department of Pathology, First Medical Center, Chinese PLA General Hospital, Beijing, China., Xu HH; Department of Radiology, First Medical Center, Chinese PLA General Hospital, Beijing, China., Bai X; Department of Radiology, First Medical Center, Chinese PLA General Hospital, Beijing, China., Zhang XJ; Department of Radiology, First Medical Center, Chinese PLA General Hospital, Beijing, China., Cui MQ; Department of Radiology, First Medical Center, Chinese PLA General Hospital, Beijing, China., Guo AT; Department of Pathology, Third Medical Center of Chinese PLA General Hospital, Beijing, China., Mu XT; Department of Radiology, Third Medical Center of Chinese PLA General Hospital, Beijing, China., Xie LZ; GE Healthcare, MR Research China, Beijing, China., Kang HH; Department of Radiology, First Medical Center, Chinese PLA General Hospital, Beijing, China., Zhou SP; Department of Radiology, First Medical Center, Chinese PLA General Hospital, Beijing, China., Zhao J; Department of Radiology, Second Medical Center of Chinese PLA General Hospital, Beijing, China., Wang BJ; Department of Urology, Third Medical Center of Chinese PLA General Hospital, Beijing, China., Wang HY; Department of Radiology, First Medical Center, Chinese PLA General Hospital, Beijing, China.
Source:
Journal of magnetic resonance imaging : JMRI [J Magn Reson Imaging] 2026 Jan; Vol. 63 (1), pp. 98-112. Date of Electronic Publication: 2025 Sep 05.
Publication Type:
Journal Article
Language:
English
Journal Info:
Publisher: Wiley-Liss Country of Publication: United States NLM ID: 9105850 Publication Model: Print-Electronic Cited Medium: Internet ISSN: 1522-2586 (Electronic) Linking ISSN: 10531807 NLM ISO Abbreviation: J Magn Reson Imaging Subsets: MEDLINE
Imprint Name(s):
Publication: <2005-> : Hoboken , N.J. : Wiley-Liss
Original Publication: Chicago, IL : Society for Magnetic Resonance Imaging, c1991-
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Grant Information:
82271951 National Natural Science Foundation of China; U24A20755 National Natural Science Foundation of China
Contributed Indexing:
Keywords: extraprostatic extension; foundation model; interpretability; magnetic resonance imaging; prostate cancer; radiomics; tabular prior‐data fitted network
Local Abstract: [plain-language-summary] MRI assessment for extraprostatic extension (EPE) of prostate cancer is challenging due to limited accuracy and interobserver agreement. This multicenter study develops a Tabular Prior‐data Fitted Network‐based radiomics model to evaluate EPE. The results demonstrate that the model performed well in both internal and external tests, and improved diagnostic accuracy and agreement when incorporating radiologists' interpretations, particularly benefiting less experienced radiologists. The proposed model may facilitate clinical assessment of EPE. This study explored the potential application of radiomics in EPE assessment, conducted modeling exploration based on a foundation model, and employed a novel approach incorporating radiologist assessment to enhance clinical utility.
Entry Date(s):
Date Created: 20250905 Date Completed: 20251216 Latest Revision: 20251216
Update Code:
20251216
DOI:
10.1002/jmri.70111
PMID:
40910573
Database:
MEDLINE

Weitere Informationen

Background: MRI assessment for extraprostatic extension (EPE) of prostate cancer (PCa) is challenging due to limited accuracy and interobserver agreement.
Purpose: To develop an interpretable Tabular Prior-data Fitted Network (TabPFN)-based radiomics model to evaluate EPE using MRI and explore its integration with radiologists' assessments.
Study Type: Retrospective.
Population: Five hundred and thirteen consecutive patients who underwent radical prostatectomy. Four hundred and eleven patients from center 1 (mean age 67 ± 7 years) formed training (287 patients) and internal test (124 patients) sets, and 102 patients from center 2 (mean age 66 ± 6 years) were assigned as an external test set.
Field Strength/sequence: Three Tesla, fast spin echo T2-weighted imaging (T2WI) and diffusion-weighted imaging using single-shot echo planar imaging.
Assessment: Radiomics features were extracted from T2WI and apparent diffusion coefficient maps, and the TabRadiomics model was developed using TabPFN. Three machine learning models served as baseline comparisons: support vector machine, random forest, and categorical boosting. Two radiologists (with > 1500 and > 500 prostate MRI interpretations, respectively) independently evaluated EPE grade on MRI. Artificial intelligence (AI)-modified EPE grading algorithms incorporating the TabRadiomics model with radiologists' interpretations of curvilinear contact length and frank EPE were simulated.
Statistical Tests: Receiver operating characteristic curve (AUC), Delong test, and McNemar test. p < 0.05 was considered significant.
Results: The TabRadiomics model performed comparably to machine learning models in both internal and external tests, with AUCs of 0.806 (95% CI, 0.727-0.884) and 0.842 (95% CI, 0.770-0.912), respectively. AI-modified algorithms showed significantly higher accuracies compared with the less experienced reader in internal testing, with up to 34.7% of interpretations requiring no radiologist input. However, no difference was observed in both readers in the external test set.
Data Conclusions: The TabRadiomics model demonstrated high performance in EPE assessment and may improve clinical assessment in PCa.
Evidence Level: 4.
Technical Efficacy: Stage 2.
(© 2025 International Society for Magnetic Resonance in Medicine.)