Association between biopsy method and development of peritoneal metastases in perihilar cholangiocarcinoma

HPBAveson VG, Ilagan CH, Chou JF, et al. | November 11, 2021

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Whether tumor seeds in the peritoneal cavity because of transperitoneal (TP) biopsy, increasing the risk of peritoneal metastases (PM) in patients with perihilar cholangiocarcinoma (PHC).

  • Patients undergoing surgery for PHC were retrospectively reviewed.

  • Among a total of 262 patients undergoing surgery, TP biopsy was performed in 37 patients, and intraluminal biopsy or no biopsy was performed in 225 patients.

  • Although patients with PHC commonly show PM, there appeared no association of TP biopsy with higher incidence of PM at surgery or at 1 or 2 years after surgery.

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