相关实验视频
Updated: Jan 13, 2026

08:21
Use of 3D Robotic Ultrasound for In Vivo Analysis of Mouse Kidneys
Published on: August 12, 2021
4.0K
放射学应用使用非对比计算机断层扫描来预测尿酸结石
Yang Huang1,2, Ning Li2, Xiaowei Han3
1Department of Radiology, The Fourth Affiliated Hospital of School of Medicine, and International School of Medicine, International Institutes of Medicine, Zhejiang University, Yiwu, 322000, China.
BMC medical imaging
|October 30, 2025
概括
使用非对比计算断层扫描 (NCCT) 的新预测模型在治疗前有效地区分尿酸结石与其他类型. 这种基于放射学的方法有助于个性化治疗策略.
科学领域:
- 放射学 放射学是一门学科.
- 医疗成像医学成像
- 泌尿器科 泌尿器科 泌尿器科 泌尿器科
背景情况:
- 精确区分结石成分对于有效的治疗计划至关重要.
- 与其他类型的石头相比,尿酸石头需要不同的管理策略.
研究的目的:
- 开发和验证使用非对比计算断层扫描 (NCCT) 放射性特征的预测模型,以区分尿酸石和非尿酸石.
- 为了评估模型的性能和临床实用性在预处理石材的特征.
主要方法:
- 对195名确诊患有结石组成的患者进行了回顾性分析.
- 从NCCT图像中提取和选择放射性特征.
- 使用机器学习算法 (逻辑回归,SVM,MLP,ExtraTrees,LightGBM) 开发临床,放射学和联合预测模型.
主要成果:
- 结合放射学和临床特征的组合模型在训练组中达到0.886的接收器操作特征曲线 (AUC) 下的高面积,在测试组中达到0.805.
- 与仅使用临床和放射学模型相比,组合模型显示出明显优异的性能.
- 沙普利添加剂解释 (SHAP) 分析强调了纹理特征在预测尿酸结石方面的重要性.
结论:
- 基于NCCT放射学开发的综合模型在分辨尿酸结石方面表现强.
- 这种模型可以作为指导治疗前决策和个性化患者管理的宝贵工具.
相关概念视频
Imaging Studies III: Computed Tomography
275
DefinitionComputed Tomography (CT) of the genitourinary (GU) tract is a non-invasive imaging modality that utilizes X-rays and computer processing to generate detailed cross-sectional images of the urinary system, encompassing the kidneys, ureters, bladder, and adjacent structures such as the adrenal glands.PurposeCT scans of the GU tract serve several diagnostic and therapeutic purposes, including:Diagnosis of Urinary Tract Diseases: Detects kidney stones, tumors, cysts, and congenital...
275
Imaging Studies IV: Magnetic Resonance Imaging
219
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,...
219
Urinary Tract Calculi III: Medical Management
189
The diagnosis of renal calculi involves several imaging techniques, including non-contrast CT scans and ultrasound. These methods help visualize kidney stones, assess their size and location, and detect possible obstructions. Additionally, Measuring urine pH is useful for diagnosing specific stone types, such as struvite (alkaline pH) and uric acid stones (acidic pH). Cystine stones are primarily linked to cystinuria, a genetic condition. A urinalysis helps detect blood in the urine (hematuria)...
189
Imaging Studies II: Ultrasonography
344
IntroductionUltrasonography, or renal ultrasound, is a noninvasive medical imaging technique that uses high-frequency sound waves to visualize the kidneys, ureters, bladder, and surrounding tissues.Indications for Urinary System UltrasonographyUrinary system ultrasonography is indicated in various clinical scenarios, such as:Kidney Stones (Urolithiasis): To detect and monitor the size and presence of kidney or urinary tract stones.Hydronephrosis: To assess the dilation of the renal pelvis and...
344
Imaging Studies V: Intravenous Urography and Retrograde Pyelography
1.0K
IntroductionIntravenous Urography (IVU) and Retrograde Pyelography (RP) are important diagnostic imaging techniques used to evaluate the urinary system. These methods help identify structural abnormalities, obstructions, and functional issues in the kidneys, ureters, and bladder. Both procedures use iodine-based contrast media to enhance the visibility of urinary tract structures on X-ray images, though they differ in their methods and indications.1. Intravenous Urography (IVU)Intravenous...
1.0K
Imaging Studies I: Kidney, Ureter, and Bladder Studies
260
Kidney, Ureter, and Bladder (KUB) StudiesKidney, Ureter, and Bladder (KUB) studies are standard diagnostic imaging procedures used to assess the anatomy of the urinary system. They are commonly utilized for patients experiencing abdominal pain or urinary symptoms. By using a simple X-ray of the abdomen, KUB studies can reveal structural and pathological abnormalities within the kidneys, ureters, and bladder. These studies are particularly valuable in diagnosing kidney stones, urinary...
260

