Conclusions The incidence of perineural invasion of hilar cholangiocarcinoma is high.Nerve plexuses in adventitia should be divested completely during the radical excision of hilar cholangiocarcinoma.

• 结论肝门部胆管癌神经浸润发生率高，行根治性切除时应紧贴血管外膜仔细剥除其周围神经纤维组织。