False-positive elevated CEA during colon cancer surveillance: a cholecystitis case report diagnosed by PET-CT scan

@inproceedings{Ardekani2019FalsepositiveEC,
  title={False-positive elevated CEA during colon cancer surveillance: a cholecystitis case report diagnosed by PET-CT scan},
  author={Alireza Emami Ardekani and Hamidreza Amini and Zeinab Paymani and Armaghan Fard-Esfahani},
  booktitle={Journal of surgical case reports},
  year={2019}
}
A 53-year-old man with previous history of sigmoid colon adenocarcinoma who had undergone surgical resection and adjuvant chemotherapy presented with slightly rising carcinoembryonic antigen (CEA), while anatomical imaging modalities were unremarkable. FDG PET-CT study did not identify residual tumoral disease; however, there were abnormalities in the gallbladder most likely suggestive of cholecystitis. Eight weeks after cholecystectomy, serum CEA concentration reached normal values. Final… CONTINUE READING

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