清晨好,您是今天最早来到科研通的研友!由于当前在线用户较少,发布求助请尽量完整地填写文献信息,科研通机器人24小时在线,伴您科研之路漫漫前行!

Development and Validation of MRI Imaging Biomarkers for Prostate Cancer Using Deep Learning

医学 前列腺癌 前列腺 概化理论 磁共振成像 卷积神经网络 肿瘤科 内科学 癌症 放射科 人工智能 数学 计算机科学 统计
作者
S. M. Khaled Hossain,S. M. Khaled Hossain,Arman Avesta,Abhay Nene,Ryan Maresca,Sanjay Aneja
出处
期刊:International Journal of Radiation Oncology Biology Physics [Elsevier BV]
卷期号:117 (2): e393-e393
标识
DOI:10.1016/j.ijrobp.2023.06.1517
摘要

Given the increasing number of treatment options for patients with localized prostate cancer (PCa), there is a need for biomarkers to aid in risk stratification. Specifically, novel biomarkers can aid in the identification of high-risk phenotypes among similar patients in traditional NCCN risk groupings. One promising area for development is using pre-treatment prostate MRI to identify imaging biomarkers to identify prostate cancer patients at highest risk for recurrence. We hypothesized that deep learning could be leveraged to identify imaging biomarkers of aggressive PCa from pre-treatment prostate MRIs.Our study included 1,020 patients treated at our institution between 2010-2022. Given pathologic extraprostatic extension (EPE) and seminal vesicle invasion (SVI) are associated with higher risk of treatment failure, we hypothesized that deep learning models which identified radiographic EPE and SVI would provide non-invasive imaging biomarkers associated with PCa prognosis. We trained two separate deep learning models using convolutional neural networks to predict SVI and EPE respectively. The model inputs were T2W prostate MRIs (n = 894) and models consisted of 8 convolutional layers. Dropout, L2 regularization, and data augmentation were used to improve model generalizability and reduce overfitting. Discriminatory ability of each model was measured using AUC on a blinded external test set of 221 patients. To assess the clinical utility of our imaging biomarkers, log-rank tests were used to evaluate biochemical free survival (BFS) for patients classified as high risk to patients classified as low risk. Biochemical failure was defined as post-treatment PSA >0.1 for patients who underwent radical prostatectomy (RP) or PSA >2ng/ml above nadir for patients receiving radiation therapy.Within our cohort of 1,020 patients the median age was 66 with a median follow up of 4 years. 49.3% (n = 503) underwent RP and 50.7% (n = 517) received EBRT. 4% (n = 41) were low risk, 62.4% (n = 636) were intermediate risk, and 33% (n = 337) were high risk based on NCCN criteria. Deep learning models showed good discriminatory ability for both EPE (AUC 0.66) and SVI (AUC 0.74). Both imaging biomarkers showed prognostic ability to identify high risk prostate phenotypes. Patients deemed high risk based on EPE classifier had worse BFS (median 5 vs 9 years, p<.001). Similarly, patients classified as high risk based on SVI also showed worse BFS (median 5 vs 9 years, p = 0.024). Among intermediate risk patients, EPE biomarker showed an ability to identify high risk phenotypes (median 6 vs 9 years, p = 0.024).Deep learning classifiers of prostate MRIs demonstrated the ability to stratify high-risk prostate cancer phenotypes beyond traditional risk paradigms. Imaging biomarkers represent a non-invasive method to help aid in the personalization of treatment for patients with localized prostate cancer and identify patients who potentially require treatment escalation.
最长约 10秒,即可获得该文献文件

科研通智能强力驱动
Strongly Powered by AbleSci AI
更新
PDF的下载单位、IP信息已删除 (2025-6-4)

科研通是完全免费的文献互助平台,具备全网最快的应助速度,最高的求助完成率。 对每一个文献求助,科研通都将尽心尽力,给求助人一个满意的交代。
实时播报
友好的瓜完成签到,获得积分10
27秒前
寄语明月发布了新的文献求助10
35秒前
山楂完成签到,获得积分10
43秒前
shuaixiaoyu完成签到,获得积分10
54秒前
蟲先生完成签到 ,获得积分0
54秒前
Hello应助ceeray23采纳,获得20
1分钟前
theo完成签到 ,获得积分10
1分钟前
六一完成签到 ,获得积分10
1分钟前
科研通AI2S应助科研通管家采纳,获得30
1分钟前
酷波er应助科研通管家采纳,获得10
1分钟前
共享精神应助科研通管家采纳,获得10
1分钟前
不再挨训完成签到 ,获得积分10
1分钟前
yy完成签到 ,获得积分10
1分钟前
氟锑酸完成签到 ,获得积分10
1分钟前
Yes0419完成签到,获得积分10
1分钟前
Damon完成签到 ,获得积分10
1分钟前
yw完成签到 ,获得积分10
1分钟前
大气夜山完成签到 ,获得积分10
1分钟前
乘风完成签到,获得积分10
2分钟前
寄语明月完成签到,获得积分10
2分钟前
2分钟前
水产里的遗传完成签到 ,获得积分10
2分钟前
ceeray23发布了新的文献求助20
2分钟前
香香丿完成签到 ,获得积分10
2分钟前
jessie完成签到,获得积分10
3分钟前
Skywings完成签到,获得积分10
3分钟前
Yxy2021完成签到 ,获得积分10
3分钟前
鄂海菡完成签到,获得积分10
3分钟前
ceeray23发布了新的文献求助20
3分钟前
piaoaxi完成签到 ,获得积分10
3分钟前
沧海一粟完成签到 ,获得积分10
3分钟前
yy完成签到 ,获得积分10
4分钟前
李子完成签到 ,获得积分10
4分钟前
张星星完成签到 ,获得积分10
4分钟前
流沙无言完成签到 ,获得积分10
4分钟前
知否完成签到 ,获得积分0
4分钟前
感性的寄真完成签到 ,获得积分10
4分钟前
欣喜石头完成签到 ,获得积分10
5分钟前
wayne完成签到 ,获得积分10
5分钟前
科研通AI2S应助科研通管家采纳,获得10
5分钟前
高分求助中
The Mother of All Tableaux: Order, Equivalence, and Geometry in the Large-scale Structure of Optimality Theory 3000
A new approach to the extrapolation of accelerated life test data 1000
ACSM’s Guidelines for Exercise Testing and Prescription, 12th edition 500
Indomethacinのヒトにおける経皮吸収 400
Phylogenetic study of the order Polydesmida (Myriapoda: Diplopoda) 370
基于可调谐半导体激光吸收光谱技术泄漏气体检测系统的研究 350
Robot-supported joining of reinforcement textiles with one-sided sewing heads 320
热门求助领域 (近24小时)
化学 材料科学 医学 生物 工程类 有机化学 生物化学 物理 内科学 纳米技术 计算机科学 化学工程 复合材料 遗传学 基因 物理化学 催化作用 冶金 细胞生物学 免疫学
热门帖子
关注 科研通微信公众号,转发送积分 3990793
求助须知:如何正确求助?哪些是违规求助? 3532233
关于积分的说明 11256590
捐赠科研通 3271081
什么是DOI,文献DOI怎么找? 1805229
邀请新用户注册赠送积分活动 882302
科研通“疑难数据库(出版商)”最低求助积分说明 809234