Preoperative evaluation of mediastinal lymph nodes in non-small cell lung cancer using [68Ga]FAPI-46 PET/CT: a prospective pilot study
These videos have been matched automatically. Contact us if they are not relevant.
These videos have been matched automatically. Contact us if they are not relevant.
![An Automated Radiosynthesis of [<sup></noscript>68</sup>Ga]Ga-FAPI-46 for Routine Clinical Use](https://visualize.jove.com/wp-content/cache/webp/78858a0df774170c5227d201be079805.webp)
View abstract on PubMed
Summary
This summary is machine-generated.New [68Ga]FAPI-46 PET/CT imaging shows improved accuracy for staging non-small cell lung cancer (NSCLC) mediastinal nodes. This technique enhances sensitivity and reduces false positives, potentially decreasing the need for invasive procedures.
Area Of Science
- Oncology
- Nuclear Medicine
- Radiology
Background
- Mediastinal nodal staging is critical for selecting non-small cell lung cancer (NSCLC) patients for surgery.
- Conventional imaging methods often have limitations, leading to the need for invasive staging procedures.
- Fibroblast activation protein inhibitor (FAPI) PET/CT is an emerging imaging technique targeting fibroblast activation protein.
Purpose Of The Study
- To investigate the added clinical value of [68Ga]FAPI-46 PET/CT for mediastinal nodal staging in NSCLC.
- To compare the diagnostic performance of [68Ga]FAPI-46 PET/CT against [18F]FDG PET/CT for identifying N2 disease.
Main Methods
- A prospective pilot study enrolled NSCLC patients meeting specific criteria for invasive staging.
- [68Ga]FAPI-46 PET/CT was performed preoperatively after standard [18F]FDG PET/CT.
- Diagnostic accuracy was assessed via per-patient and per-station analysis, using histopathology as the reference standard.
Main Results
- Histopathology confirmed N2-positivity in 9 out of 23 patients.
- [68Ga]FAPI-46 PET/CT demonstrated high sensitivity (0.89) for detecting metastasis, upstaging 3 patients compared to [18F]FDG PET/CT.
- Per-station analysis showed superior discrimination of metastasis for [68Ga]FAPI-46 PET/CT (AUC 0.96) versus [18F]FDG PET/CT (AUC 0.68).
Conclusions
- [68Ga]FAPI-46 PET/CT shows significant promise for preoperative mediastinal nodal staging in NSCLC.
- The technique offers improved sensitivity and a potential reduction in false-positive findings.
- This could optimize the selection of patients requiring invasive staging procedures.
These videos have been matched automatically. Contact us if they are not relevant.
These videos have been matched automatically. Contact us if they are not relevant.
Related Concept Videos
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...
Positron emission tomography (PET) is a medical imaging technique involving radiopharmaceuticals — substances that emit short-lived radiation. Although the first PET scanner was introduced in 1961, it took 15 more years before radiopharmaceuticals were combined with the technique and revolutionized its potential.
One of the main requirements of a PET scan is a positron-emitting radioisotope, which is produced in a cyclotron and then attached to a substance used by the part of the body...