在一次性泌尿道淋巴瘤中对条件生存模式和动态预后建模的基于人口的分析
1Department of Urology, The Second Affiliated Hospital, Yuying Children's Hospital of Wenzhou Medical University, Wenzhou, China.
Annals of hematology
|January 23, 2026
概括
初级泌尿道淋巴瘤 (PUTL) 的生存率随着时间的推移而改善,特别是在最初的高风险时期之后. 一个新的名图提供个性化,时间更新的生存预测,以更好地管理患者.
科学领域:
- 在瘤学瘤学.
- 生物统计学 生物统计学
背景情况:
- 初级泌尿道淋巴瘤 (PUTL) 是一种罕见的异位淋巴瘤,数据有限.
- 现有的知识主要来自病例报告和小患者系列.
研究的目的:
- 用条件生存 (CS) 分析分析PUTL中的动态生存模式.
- 开发一种预后性名谱,用于对PUTL患者个性化生存预测.
主要方法:
- 利用SEER数据库对2000-2021年期间被诊断患有PUTL的患者进行了分析.
- 计算的CS估计和危险率,以评估时间依赖的生存和死亡风险.
- 开发并验证了使用随机生存森林和Cox回归来预测整体生存率 (OS) 的CS-nomogram.
主要成果:
- 包括1,201名PUTL患者;CS分析显示,随着时间的推移,长期存活率有所改善.
- 死亡风险在第一年达到顶峰,随后大幅下降.
- 年龄,组织学,阶段和治疗是OS的关键预测因素;CS-nomogram显示出良好的预测准确性 (AUC从0.708到0.800不等).
结论:
- 这项研究提供了迄今为止PUTL最广泛的动态生存分析.
- 条件生存分析表明,对于PUTL患者,随着时间的推移,预后发生了有利的变化.
- 该CS-nomogram提供个性化,时间更新的预后估计,帮助临床决策和资源分配.
相关概念视频
Urinary Tract Calculi I: Introduction
443
Renal calculi, or kidney stones, are solid deposits of minerals and salts formed inside the kidneys. In medical terminology, "calculus" refers to the stone itself, while "lithiasis" describes the process of stone formation. Depending on their location within the urinary system, these stones may be classified as either urolithiasis, when situated within the urinary tract, or nephrolithiasis, when located within the kidneys. Each term signifies the specific impact of the stone.Predisposition...
443
Urinary Tract Infection I: Introduction
605
Urinary tract infections (UTIs) impact various parts of the urinary system, including the kidneys, ureters, bladder, and urethra. These infections are generally bacterial, with Escherichia coli being the most common causative agent, often originating from the gastrointestinal tract. However, other bacteria, such as Staphylococcus saprophyticus, Klebsiella pneumoniae, and Proteus mirabilis, are also known to cause UTIs. The type, location, and underlying complexity of the UTI guide both...
605
Urinary Tract Infection II: Pathophysiology
618
The pathophysiology of urinary tract infections (UTIs) encompasses several progressive stages, beginning with bacterial colonization and culminating in potential systemic complications if untreated. UTIs are primarily initiated by bacteria, such as Escherichia coli, which often originate from the gastrointestinal tract and migrate to the urinary system through the periurethral area. This migration can occur via several routes, including improper hygiene practices, sexual activity, or...
618
Urinary Tract Calculi V: Nursing Management
292
AssessmentSubjective Data: Obtain a detailed health history, including any recent or chronic urinary tract infections, periods of immobilization, previous episodes of renal calculi, and medical conditions such as gout, benign prostatic hyperplasia, or hyperparathyroidism. Review the medication history for drugs that may influence stone formation, including allopurinol, analgesics, loop diuretics, or thiazide diuretics. Document the use of long-term indwelling catheters and any past surgical...
292
Urinary Tract Calculi VI: Surgical Management
442
Procedures for Kidney StonesMedical intervention is necessary when kidney stones or renal calculi are too large to pass spontaneously (typically greater than 5 millimeters) when stones are accompanied by symptomatic infection (such as fever or pyelonephritis), when they impair kidney function, or when they cause persistent symptoms like severe pain, nausea, or urinary retention. Additionally, patients with only one kidney or those who cannot be treated with medical management also require...
442
Introduction To Survival Analysis
766
Survival analysis is a statistical method used to study time-to-event data, where the "event" might represent outcomes like death, disease relapse, system failure, or recovery. A unique feature of survival data is censoring, which occurs when the event of interest has not been observed for some individuals during the study period. This requires specialized techniques to handle incomplete data effectively.
The primary goal of survival analysis is to estimate survival time—the time...
The primary goal of survival analysis is to estimate survival time—the time...
766


