Duodenal malignancies are not frequently encountered. Mostly they are either neuroendocrine tumors or adenocarcinoma,rarely adenosquamous. Here we want to present a pure squamous cell carcinoma of duodenum in a 65 yr old male patient without any primary site of malignancy or previous history of malignancy in relation with squamous cell carcinoma.
Squamous cell, carcinoma, duodenum,case report