Using PET/CT to Check for Biliary Tract Cancer Recurrence
Author Information
Author(s): Lee Yun-Gyoo, Han Sae-Won, Oh Do-Youn, Chie Eui Kyu, Jang Jin-Young, Im Seock-Ah, Kim Tae-You, Kim Sun-Whe, Ha Sung Whan, Bang Yung-Jue
Primary Institution: Seoul National University Hospital
Hypothesis
This study aims to determine the clinical role of 18F-FDG PET/CT during post-operative surveillance of suspected recurrent biliary tract cancer.
Conclusion
18F-FDG PET/CT significantly improves the sensitivity of detecting biliary tract cancer recurrences when ceCT is inconclusive.
Supporting Evidence
- Among the 50 patients, 34 (68%) were confirmed to have a recurrence.
- PET/CT showed higher sensitivity (88% vs. 76%) and accuracy (82% vs. 66%) for recurrence compared to ceCT.
- An additional PET/CT on ceCT significantly improved the sensitivity of detecting recurrences.
Takeaway
Doctors used a special scan called PET/CT to help find out if patients' biliary tract cancer came back after surgery, and it worked better when combined with another scan.
Methodology
50 patients with biliary tract cancer who underwent curative surgery were enrolled, and their recurrence was assessed using 18F-FDG PET/CT and contrast-enhanced CT.
Potential Biases
The nuclear medicine physicians were aware of the findings of the corresponding ceCT, which may have influenced the results.
Limitations
The majority of recurrent cases were confirmed clinically, and the study had a retrospective design.
Participant Demographics
74% male, mean age 60 years, with various types of biliary tract cancers.
Statistical Information
P-Value
0.03
Confidence Interval
95% CI: 41.1, -
Statistical Significance
p<0.05
Digital Object Identifier (DOI)
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