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在数字PET扫描仪上正常的垂体腺体中高生理F-FDG吸收18

Anjali Jain¹, Sharjeel Usmani¹, Khulood Al Riyami¹

¹Department of Radiology & Nuclear Medicine, Sultan Qaboos Comprehensive Cancer Care, and Research Center, Muscat, Oman.

World journal of nuclear medicine

|August 22, 2024

概括

数字PET/CT扫描仪揭示了生理性垂体腺 (PG) 吸收,通常以低至中等信号出现. 在dPET扫描中的无症状患者中,这种常见的发现是正常的,不需要进一步调查.

科学领域:

核医学是一种核医学.
分子成像学分子成像学
放射学放射学是一门学科.

背景情况:

数字PET/CT (dPET) 扫描仪在分子成像中提供更高的灵敏度和分辨率.
像垂体腺 (PG) 这样的结构中信号检测的增加是dPET的特征.
了解PG中的生理性-2-脱氧-D-葡萄糖吸收对于准确的dPET解释至关重要.

研究的目的:

评估dPET扫描上观察到的生理性PG吸收的频率.
使用dPET建立正常PGFDG吸收的参考范围.
帮助正确诊断,减少不必要的后续成像.

主要方法:

包括88名在MRI上正常的垂体腺体的受试者,20名作为使用常规PET的对照组.
所有受试者都接受了PET/CT成像,使用标准化采集协议和飞行时间与点传播功能的重建.
垂体腺吸收被视觉和定量评估.

主要成果:

在48.8%的dPET受试者中检测到生理PG吸收.
大多数观察到的吸收是低级的 (72%),有一些中级 (26%) 和一个高级病例.
在对照组中,只有15%的人表现出低摄入量,没有中等或高档摄入量.

结论:

生理性垂体腺吸收是数字PET扫描的常见发现.
在无症状患者中,低到中等等级的PG吸收被认为是生理性的,通常不需要进一步调查.
调查结果应谨慎报告,以避免误解.

关键词:

18 F-FDG PET/CT PET/CT PET/CT PET/CT/CT PET/CT/CT 18 F-FDG PET/CT/CT 传统的PET是一种PET.数字PET数字PET的使用 pituitary pituitary pituitary pituitary pituitary pituitary pituitary pituitary pituitary pituitary pituitary pituitary pituitary pituitary pituitary pituitary pituitary pituitary pituitary pituitary pituitary pituitary pituitary pituitary pituitary pituitary pituitary

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