在MRI中基于深度学习的肝囊片细分用于自身主导的多囊性病
Mina Chookhachizadeh Moghadam1,2, Mohit Aspal1, Xinzi He1,2,3
1Department of Radiology, Weill Cornell Medicine, New York, NY 10065, United States.
Radiology advances
|October 8, 2025
概括
深度学习模型现在可以自动检测和细分自身主导多囊性病 (ADPKD) 中的肝囊,改善多囊性肝病 (PLD) 的早期评估. 这种人工智能方法显著减少了注释时间,并增强了疾病监测.
科学领域:
- 医疗成像医学成像
- 人工智能在医学中的应用
- 腎病學和肝病學.
背景情况:
- 自体主导性多囊性病 (ADPKD) 可以导致多囊性肝病 (PLD),其特征是肝囊.
- 虽然往往无症状,但PLD的扩大肝脏可能会导致需要干预的并发症.
- 目前测量肝体积的方法无法检测早期的PLD,当囊很小时.
研究的目的:
- 开发和验证深度学习 (DL) 模型,用于在PLD中自动检测和细分肝囊.
- 通过量化肝囊体体积来改善早期评估和追踪PLD.
主要方法:
- 基于UNet的深度学习平台 (nnU-Net) 使用40名ADPKD患者的注释性肝囊数据进行了训练.
- 该模型经过了内部,外部和测试-重新测试验证,使用诸如子得分和voxel级真实阳性率 (VTPR) 等指标.
- 评价了肝囊细分的节省时间和可重现性.
主要成果:
- DL模型实现了高性能,在内部和外部测试集上获得了80-82%的子得分.
- 它表现出很好的VTPR (75-91%),特别是在检测小的,难以手动注释的肝囊时.
- 标注时间平均减少了91%,测试重复测试的评估显示出高可重复性.
结论:
- 肝脏囊细分的深度学习自动化显示了在PLD中改善肝脏囊体积的跟踪的前景.
- 这种人工智能驱动的方法可以提高在ADPKD患者中多囊性肝病的早期检测和监测.
更多相关视频
相关概念视频
Magnetic Resonance Imaging
Magnetic resonance imaging (MRI) is a noninvasive medical imaging technique based on a phenomenon of nuclear physics discovered in the 1930s, in which matter exposed to magnetic fields and radio waves was found to emit radio signals. In 1970, a physician and researcher named Raymond Damadian noticed that malignant (cancerous) tissue gave off different signals than normal body tissue. He applied for a patent for the first MRI scanning device in clinical use by the early 1980s. The early MRI...
Imaging Studies for Cardiovascular System IV: CMRI
Cardiovascular magnetic resonance imaging, or CMRI, is a non-invasive diagnostic test that employs a magnetic field and radiofrequency waves to create precise images of the heart and arteries. It provides comprehensive information about cardiac anatomy, function, perfusion, and tissue characterization without ionizing radiation.IndicationsCMRI diagnoses various heart conditions, including tissue damage from heart attacks, ischemic heart disease, myocarditis, aortic issues (tears, aneurysms,...
Imaging Studies IV: Magnetic Resonance Imaging
Introduction:Magnetic Resonance Imaging, or MRI, can include a specialized imaging technique of the urinary system known as Magnetic Resonance Urography (MRU). This radiation-free technique uses strong magnetic fields and radio waves to produce detailed images with the help of a computer. MRU is particularly effective for visualizing fluid-filled structures like the kidneys, ureters, and bladder.Applications of MRI in the Genitourinary SystemKidneys and Ureters: MRI detects tumors, cysts,...


