脏NeXt:一个轻量级卷积神经网络用于多类脏瘤分类在计算机断层扫描成像.
Gulay Maçin1, Fatih Genç2, Burak Taşcı3
1Department of Radiology, Beyhekim Training and Research Hospital, Konya 42060, Turkey.
Journal of clinical medicine
|July 29, 2025
概括
一种新的深度学习模型 - - KidneyNeXt,可以从CT扫描中准确地分类脏瘤,准确度超过99%. 这种自动化系统有助于早期诊断,并支持脏瘤的临床决策.
科学领域:
- 放射学和医学成像学 医学成像学
- 人工智能在医学中的应用
- 在瘤学瘤学.
背景情况:
- 由于重叠的特征,瘤在CT成像中存在诊断挑战.
- 手动解读CT扫描是耗时的,容易引起观察者之间的差异.
- 需要自动分类系统来准确有效地诊断瘤.
研究的目的:
- 开发和评估 KidneyNeXt,一个定制的卷积神经网络 (CNN) 用于多类脏瘤分类.
- 评估模型在各种计算机断层扫描 (CT) 数据集上的性能.
- 提供可靠的自动化工具,支持早期和准确的瘤诊断.
主要方法:
- 一个定制的CNN架构,KidneyNeXt,设计了多分支路径和层次特征提取.
- 使用ImageNet 1K预训的转移学习用于增强泛化.
- 该模型在三个不同的CT数据集上进行了评估:临床数据集,Kaggle CT KIDNEY和KAUH:约旦.
主要成果:
- 在所有数据集中,KidneyNeXt实现了高精度,超过临床和KAUH数据集的99.7%,Kaggle数据集的99.9%.
- 该模型证明了对阶级不平衡和阶级间相似性的强度.
- 使用Grad-CAM可视化来解释模型预测,突出显示感兴趣的区域.
结论:
- 脏NeXt是一种轻量级和有效的深度学习解决方案,用于从CT图像中分类脏瘤.
- 该模型的持续高性能表明,它有可能作为决策支持工具在现实世界中进行临床部署.
- 未来的研究可能涉及整合临床元数据和多模式成像以提高诊断精度.
相关概念视频
Imaging Studies I: Kidney, Ureter, and Bladder Studies
41
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...
41
Imaging Studies III: Computed Tomography
52
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...
52
Renal Corpuscle
3.3K
The glomerulus and Bowman's capsule are two essential components of the nephron, which is the functional unit of the kidney. These microscopic structures play a critical role in the process of blood filtration to produce urine.
Glomerulus: Structure and Function
The glomerulus is a tiny, intricate network of capillaries located at the beginning of the nephron. It's enveloped by the Bowman's capsule and receives its blood supply from an afferent arteriole, which divides into numerous...
Glomerulus: Structure and Function
The glomerulus is a tiny, intricate network of capillaries located at the beginning of the nephron. It's enveloped by the Bowman's capsule and receives its blood supply from an afferent arteriole, which divides into numerous...
3.3K
Renal Tubule and Collecting Duct
1.5K
The renal tubule is divided into three parts: the proximal convoluted tubule (PCT), the Loop of Henle (LOH), and the distal convoluted tubule (DCT).
Proximal Convoluted Tubule (PCT):
The PCT is the initial segment of the renal tubule, extending from the Bowman's capsule that encloses the glomerulus. Its convoluted structure and microvilli-lined cells increase the surface area for reabsorption. The PCT reabsorbs glucose, amino acids, sodium, and water from the filtrate, ensuring essential...
Proximal Convoluted Tubule (PCT):
The PCT is the initial segment of the renal tubule, extending from the Bowman's capsule that encloses the glomerulus. Its convoluted structure and microvilli-lined cells increase the surface area for reabsorption. The PCT reabsorbs glucose, amino acids, sodium, and water from the filtrate, ensuring essential...
1.5K
Computed Tomography
6.3K
Tomography refers to imaging by sections. Computed tomography (CT) is a non-invasive imaging technique that uses computers to analyze several cross-sectional X-rays to reveal minute details about structures in the body.
The technique was invented in the 1970s and is based on the principle that as X-rays pass through the body, they are absorbed or reflected at different levels. In the technique, a patient lies on a motorized platform while a computerized axial tomography (CAT) scanner rotates...
The technique was invented in the 1970s and is based on the principle that as X-rays pass through the body, they are absorbed or reflected at different levels. In the technique, a patient lies on a motorized platform while a computerized axial tomography (CAT) scanner rotates...
6.3K
Imaging Studies V: Intravenous Urography and Retrograde Pyelography
161
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...
161


