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相关概念视频

Gallbladder01:17

Gallbladder

529
The gallbladder is a small, pear-shaped organ that plays a crucial role in our digestive system. Measuring about 10 cm in length, it is comparable in size to a kiwi fruit and is located in a hollow area on the lower surface of the liver. The gallbladder's primary function is to store and concentrate bile, a fluid produced by the liver that aids in digestion.
The gallbladder's anatomy consists of three regions: the fundus, body, and neck. Extending from the neck, the cystic duct joins...
529

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相关实验视频

Updated: Jul 1, 2025

Using Multi-fluorinated Bile Acids and In Vivo Magnetic Resonance Imaging to Measure Bile Acid Transport
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在胆囊结石中增加前列腺特异性膜抗原吸收.

Hui Li1, Le Song, Meixin Zhao

  • 1From the Department of Nuclear Medicine, Peking University Third Hospital, Beijing, China.

Clinical nuclear medicine
|March 1, 2024
PubMed
概括

前列腺特异性膜抗原 (PSMA) PET/CT扫描前列腺癌没有发现复发性病变. 然而,它偶然检测到一种胆囊石,其PSMA吸收量很高,这是一个潜在的成像陷.

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:

  • 前列腺特异性膜抗原 (PSMA) PET/CT是前列腺癌检测和分期的关键成像方式.
  • 准确地解释PSMA PET/CT对于有效的患者管理至关重要.
  • 偶然的发现有时会模仿或掩盖真正的病理.

研究的目的:

  • 评估-68 (Al 18F) PSMA PET/CT在检测复发性前列腺癌中的实用性.
  • 报告偶然发现的胆囊结石与增加的PSMA吸收.
  • 要突出PSMA PET/CT成像中的潜在解释陷.

主要方法:

  • 一名67岁的男性患者接受了Al 18F-PSMA PET/CT扫描.
  • 该扫描旨在识别复发性或转移性前列腺癌病变.
  • 按照标准的PET/CT成像协议进行.

主要成果:

  • 阿尔18F-PSMA PET/CT扫描没有显示任何复发性或转移性前列腺癌的证据.
  • 偶然发现了一块大胆囊石,显示PSMA吸收增加.
  • 扫描时没有发现其他显著异常.

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结论:

  • 在这种情况下,Al 18F-PSMA PET/CT有效排除复发的前列腺癌.
  • 在胆囊石中增加PSMA吸收可能是一个偶然的发现.
  • 临床医生必须了解潜在的伪阳性发现,例如胆囊结石,以避免PSMA PET/CT扫描中的误解.