Metastasis from a colonic adenocarcinoma to the sphenoid sinus

The authors present a very rare disease--metastasis of colon adenocarcinoma to the sphenoid sinus based on their own case. The sphenoid sinus was the first place of metastasis. Symptoms were characteristic of sphenoid sinus lesions. Histological examination of sphenoid sinus tissues revealed primary site of the tumour.