相关实验视频
Updated: May 11, 2025

10:43
Modeling Oral-Esophageal Squamous Cell Carcinoma in 3D Organoids
Published on: December 23, 2022
3.1K
通过拉曼光谱和深度学习算法,基于食道状细胞癌的快速病理分级诊断
Xin-Ying Yu1, Jian Chen2, Lian-Yu Li3
1Department of Gastroenterology, Beijing Tiantan Hospital, Capital Medical University, Beijing 100071, China.
World journal of gastroenterology
|April 18, 2025
概括
拉曼光谱检测到食道瘤中的分子变化. 将这与深度学习相结合,可以提高早期癌症诊断的准确性.
科学领域:
- 生物医学光学 生物医学光学
- 分子光谱学 分子光谱学
- 在瘤学瘤学.
背景情况:
- 食道状细胞癌 (ESCC) 是一种重要的癌症亚型.
- 分子变化是ESCC发展的关键.
- 拉曼光谱为瘤诊断提供了分子层面的见解.
研究的目的:
- 为了识别食道瘤不同阶段的拉曼光谱数据的变化.
- 评估拉曼光谱在检测食道癌症进展中的分子变化方面的实用性.
主要方法:
- 从360个食道损伤样本中收集了拉曼光谱数据.
- 开发了一个用于光谱数据分类的1D变压器网络.
- 利用深度学习用于光谱数据可视化和分子解释.
主要成果:
- 确定了1095厘米-1 (DNA),1132厘米-1 (cytochrome c),1171厘米-1 (acetoacetate),1216厘米-1 (amide III) 和1315厘米-1 (glycerol) 的显著拉曼峰值,与瘤阶段相关.
- 一维变压器网络实现了93.30%的精度,96.65%的特异性,93.30%的灵敏度,93.17%的F1得分.
- 拉曼光谱显示了不同食道瘤阶段不同的光谱波形.
结论:
- 拉曼光谱有效地根据分子特征区分食道瘤的不同阶段.
- 将拉曼光谱与深度学习相结合,提高了食道癌诊断的分类准确性.
相关概念视频
Barrett Esophagus-I: Introduction
41
Barrett's esophagus is a medical condition where the esophageal mucosa is significantly damaged by stomach acid or other digestive fluids, often due to long-term exposure associated with gastroesophageal reflux disease (GERD). In GERD, a weakened or abnormally relaxed lower esophageal sphincter allows stomach acid to flow persistently into the esophagus.
This constant acid exposure transforms the esophagus's pink mucosal lining (stratified squamous epithelium) into a type of lining more...
This constant acid exposure transforms the esophagus's pink mucosal lining (stratified squamous epithelium) into a type of lining more...
41
Barrett Esophagus-II: Clinical Manifestations and Management
75
Individuals with Barrett's esophagus are often asymptomatic, but they may experience symptoms commonly associated with GERD, such as heartburn and acid regurgitation. Additional symptoms can include difficulty swallowing, chest pain, unintentional weight loss, blood in the stool (which may appear black, tarry, or bloody), and episodes of vomiting.
To diagnose Barrett's esophagus, healthcare providers often recommend an endoscopy for those showing symptoms of acid reflux. The procedure...
To diagnose Barrett's esophagus, healthcare providers often recommend an endoscopy for those showing symptoms of acid reflux. The procedure...
75
Esophageal Strictures-I: Introduction
36
Esophageal strictures involve abnormal narrowing or tightening of the esophagus. They vary in length and severity, ranging from mild constriction to complete obstruction, and are classified as benign (noncancerous) or malignant (cancerous).
Etiology
The primary cause of esophageal strictures is long-standing gastroesophageal reflux disease (GERD), accounting for about 70 to 80% of adult cases. Chronic acid reflux can lead to injury and scarring of the esophageal lining, culminating in...
Etiology
The primary cause of esophageal strictures is long-standing gastroesophageal reflux disease (GERD), accounting for about 70 to 80% of adult cases. Chronic acid reflux can lead to injury and scarring of the esophageal lining, culminating in...
36

