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Radiological Investigation III: Pulmonary Angiogram and PET Scan

Radiological Investigation III: Pulmonary Angiogram and PET Scan

Radiological investigations are paramount in the diagnosis and management of various pulmonary diseases. Two essential investigations are the Pulmonary Angiogram and the Positron Emission Tomography (PET) Scan.
Pulmonary Angiogram
A Pulmonary Angiogram is an invasive procedure involving injecting a contrast medium through a catheter threaded into the pulmonary artery or the right side of the heart to visualize the pulmonary vasculature. Computed Tomography (CT) scans have mainly replaced this...

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Predicting Treatment Response to Image-Guided Therapies Using Machine Learning: An Example for Trans-Arterial Treatment of Hepatocellular Carcinoma

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应用放射学来预测手术前放射疗法治疗的高度逆皮质肉瘤患者的结果.

Adel Shahnam¹, Nicholas Hardcastle², David E Gyorki^3,4

¹Department of Medical Oncology, Peter MacCallum Cancer Center, Melbourne 3000, Australia.

Journal of imaging

|December 24, 2025

概括

此摘要是机器生成的。

来自CT扫描的放射性特征可以改善高风险逆皮质肉瘤 (RPS) 患者的整体存活率和远程转移的预测. 这些成像生物标志物为个性化RPS治疗提供了超越传统临床因素的额外预后价值.

关键词:

预测模型是一个预测模型.无线电学 (radiomics) 是一种无线电学.后皮质肉瘤 (retroperitoneal sarcomas) 是一种发生在后皮质的疾病.

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科学领域:

在瘤学瘤学.
放射学放射学是一门学科.
医疗成像医学成像

背景情况:

逆皮质肉瘤 (RPS) 是罕见的,并且在手术后经常复发.
目前的治疗依赖于手术切除,但需要改善预后.
将临床数据与放射性特征结合起来,可能会提高RPS的治疗分层.

研究的目的:

评估CT扫描中的放射性特征是否为高风险RPS提供了额外的预后价值.
评估放射性特征的预测能力,超出已建立的临床病理因素.
改善高风险RPS患者的治疗个性化.

主要方法:

对72名高风险RPS患者进行了回顾性分析,这些患者接受了手术前放射治疗.
考克斯比例危险回归用于分析临床和放射性特征的时间到事件结果.
C-统计评估了整体存活 (OS) 和远程转移 (TDM) 时间的预测准确性.

主要成果:

年龄较大,3级瘤和较大的瘤大小预测了更糟糕的OS.
放射性特征库尔托斯和NGTDM忙碌度显著改善了OS预测 (c-统计0.69和0.73).
库尔托斯还改善了TDM预测 (c-统计值0.72).

结论:

放射性特征显示在补充临床病理学因素的预测高风险RPS的结果方面具有前景.
这些成像生物标志物可能有助于为RPS患者个性化治疗策略.
需要在更大的多机构研究中进行进一步的验证.