Minimally Invasive Surgery for Perihilar Cholangiocarcinoma – A Review of the Current Literature

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Abstract

Perihilar cholangiocarcinoma (pCCA) is the most common subtype of a rare malignancy arising from the biliary tract. Its challenging diagnosis results in delayed treatment, most often when the disease is locally advanced or widespread. Management includes surgery followed by systemic chemotherapy; however, a negative resection margin (R0) is the mainstay for achieving an adequate survival benefit, in the absence of metastatic disease. While minimally invasive surgery (MIS) initially infiltrated every surgical field, lapa-roscopy’s inherent limitations hindered its implementation for the treatment of pCCA and resulted in skepticism even for the robotic approach. However, since its initial feasibility phase fifteen years ago, comparable results to open surgery have been reported, re-garding its safety and oncologic outcomes, in highly selected patients. Moreover, the robotic approach seems to be associated with favorable outcomes regarding postoperative complications, length of hospital stay and estimated blood loss. International guidelines for the diagnosis and management of pCCA, centralization, definition of a learning curve for MIS, more comparative studies assessing long term outcomes and randomization, are key elements to ensure patient’s safety and technical efficiency. The aim of our review is to provide an updated perspective of the existing literature in the utilization of MIS for patients with pCCA.

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