用于甲状腺癌患者的血液和骨髓剂量测量,准备使用rhTSH注射
Amna Juma Al Jabri1,2, Jennie Cooke3, Seán Cournane4
1School of Medicine, Trinity College Dublin, Dublin, Ireland. amna1@squ.edu.om.
Annals of nuclear medicine
|April 5, 2025
概括
治疗前的生物动力学准确地预测了与复合人类TSH (rhTSH) 制备的差异化甲状腺癌患者的治疗性放射性 (131I) 摄入量. 这种剂量计方法优化了治疗,并最大限度地降低了毒性.
科学领域:
- 核医学是一种核医学.
- 在瘤学瘤学.
- 放射性药理学 是一种放射性药理学.
背景情况:
- 放射性 (131I) 剂量测量对于优化瘤剂量和降低差异化甲状腺癌 (DTC) 治疗中的毒性至关重要.
- 提高甲状腺刺激激素 (TSH) 水平对于I吸收至关重要,通过激素禁用或复合人类TSH (rhTSH) 注射实现.
- 虽然这两种提升TSH的方法都产生了类似的结果,但rhTSH降低了发病率并避免了甲状腺功能低下,但在两种制备方法之间存在生物动力学方面的已知差异.
研究的目的:
- 为了研究是否治疗前的生物动力学,使用没有rHTSH的剂量计方案测量,可以预测在使用rHTSH注射准备的DTC患者的治疗后的生物动力学.
- 评估在治疗前进行的剂量测量测量的预测值,以指导治疗.
- 为了确定非rhTSH剂量计方案是否可以可靠地估计接受rhTSH制备治疗的患者的I生物动力学.
主要方法:
- 一项临床队列研究,涉及13名差异化甲状腺癌 (DTC) 患者.
- 适应欧洲核医学协会 (EANM) 剂量计方案,包括全身 (WB) 剂量率测量和注射131个标记剂量后取血样.
- 使用EANM,医学物理协会 (AIFM) 和Traino模型计算最大可容忍活性 (MTA),比较治疗前 (PT) 标记剂的使用与治疗期间 (DT) 的使用.
主要成果:
- 治疗前全身停留时间显著高估了治疗期间全身停留时间 (差异为 -7.72 ± 8.13%,p=0.007).
- 在治疗前和治疗期间的血液停留时间测量之间没有明显的差异 (1.13 ± 6.49%,p=0.559).
- 在EANM模型中,治疗前和治疗期间的MTA估计差异最小 (1.73±4.83%,p=0.241).
结论:
- 这项研究验证了在euthyroid患者中使用剂量测量的可行性,以预测治疗I生物动力学.
- 治疗前的剂量测量,即使没有rHTSH,也可以可靠地预测rHTSH准备的DTC患者的I生物动力学.
- 这种方法支持使用剂量计优化131I治疗计划在rhTSH准备的DTC患者.
相关概念视频
Imaging Studies II: Positron Emission Tomography and Scintigraphy
56
Positron Emission Tomography (PET) is a medical imaging technique that provides crucial insights into the body's physiological functions at a molecular level. It is an indispensable resource for diagnosing, staging, and monitoring various illnesses, notably cancer, neurological disorders, and cardiovascular conditions.
Fundamental Principles of PET
Fundamental Principles of PET
56
Bone Marrow Sampling and Transplants
266
Bone marrow transplant is a potential cure for several diseases, including cancer and specific genetic disorders. Notably, this procedure is applicable for patients suffering from aplastic anemia, certain types of leukemia, severe combined immunodeficiency disease (SCID), Hodgkin's disease, non-Hodgkin's lymphoma, multiple myeloma, thalassemia, sickle-cell disease, and certain cancers.
The transplant begins with high doses of chemotherapy and radiation treatment, which aim to destroy...
The transplant begins with high doses of chemotherapy and radiation treatment, which aim to destroy...
266
Radiological Investigation I: X-ray and CT
185
Radiological investigations, including X-rays and computed tomography (CT) scans, are critical for diagnosing and evaluating various medical conditions. These imaging techniques provide valuable insights into the body's internal structures, aiding in the detection of abnormalities, assessment of disease progression, and development of treatment strategies. This article delves into two primary radiological investigations, chest X-rays and CT scans, outlining their purpose, procedures, and...
185


