[Atypical debut of symptoms of cholangiocarcinoma.]

[cholangiocarcinoma]

Malignancy of the sphenoid sinus is rare and metastasis from a cholangiocarcinoma (CC ) to this location is even rarer . We present a 74 -year -old female with CC metastasis to the sphenoid sinus . This case demonstrates that metastases to the sphenoid sinus occur and that the tumour can have its origin far from the head and neck region . Thus , the possibility of metastasis must always be considered when discovering a tumour in the sphenoid sinus .