Related Experiment Video
Updated: Jun 9, 2025

08:42
Using Multi-fluorinated Bile Acids and In Vivo Magnetic Resonance Imaging to Measure Bile Acid Transport
Published on: November 27, 2016
11.2K
Physiological Gallbladder Accumulation on 68 Ga-FAPI-46 PET/CT.
Ömer Faruk Şahin1, Göksel Alçın, Nurhan Ergül
1From the Clinic of Nuclear Medicine, Istanbul Training and Research Hospital, University of Health Sciences, Istanbul, Turkey.
Clinical Nuclear Medicine
|October 28, 2024
Summary
Radiolabeled fibroblast activation protein inhibitors (FAPIs) offer advanced cancer imaging and potential therapeutic applications. Understanding FAPI distribution, like gallbladder accumulation, is crucial for accurate diagnosis and patient management.
Area of Science:
- Oncology
- Radiochemistry
- Molecular Imaging
Background:
- Fibroblast activation protein (FAPI) is highly expressed by cancer-associated fibroblasts, playing a role in tumor progression.
- FAPI imaging offers improved visualization of solid tumors compared to conventional techniques.
- FAPI's involvement in tissue remodeling suggests potential beyond oncology.
Purpose of the Study:
- To highlight the utility of radiolabeled FAPIs in cancer detection and treatment.
- To discuss the broader applications of FAPI targeting in non-oncological conditions.
- To emphasize the importance of interpreting FAPI imaging findings, including physiological uptake.
Main Methods:
- Utilizing radiolabeled fibroblast activation protein inhibitors (FAPIs) for molecular imaging.
- Targeting fibroblast activation protein (FAPI) expressed in tumor microenvironments.
- Analyzing imaging data for both oncological and non-oncological conditions.
Main Results:
- Radiolabeled FAPIs demonstrate advanced imaging capabilities for solid tumors.
- Physiological accumulation of 68 Ga-FAPI observed in the gallbladder.
- FAPI targeting shows potential in conditions like atherosclerosis and arthritis.
Conclusions:
- Radiolabeled FAPIs represent a promising tool in oncology and potentially other fields.
- Accurate interpretation of FAPI imaging, including normal physiological uptake, is essential for clinical practice.
- Further research into FAPI's role in tissue remodeling is warranted.
Related Concept Videos
Gallbladder
412
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...
The gallbladder's anatomy consists of three regions: the fundus, body, and neck. Extending from the neck, the cystic duct joins...
412
Imaging Studies II: Positron Emission Tomography and Scintigraphy
89
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
89

![An Automated Radiosynthesis of [68Ga]Ga-FAPI-46 for Routine Clinical Use](/_next/image?url=https%3A%2F%2Fcloudfront.jove.com%2FCDNSource%2Fteasers%2F66708.jpg&w=3840&q=50)