Radiological sinonasal anatomy. Exploring the Saudi population.

Objectives: To assess the prevalence of common radiological variants of sinonasal anatomy among Saudi population and compare it with the reported prevalence of these variants in other ethnic and population groups. 

Methods: This is a retrospective cross-sectional study of 121 computerized tomography scans of the nose and paranasal sinuses of patients presented with sinonasal symptoms to the Department of Otorhinolarngology, King Fahad Hospital of the University, Khobar, Saudi Arabia, between January 2014 and May 2014. 

Results: Scans of 121 patients fulfilled inclusion criteria were reviewed.

Hepatocellular carcinoma first presenting as a tumor of the oral cavity.

Hepatocellular carcinoma (HCC) is the sixth most common neoplasm worldwide; HCC metastasis is common affecting 50% of cases. However, metastasis to the oral cavity is extremely infrequent. We present a case of hepatocellular cancer first presenting as a mass lesion at the upper alveolus and review metastatic hepatocellular carcinoma to the oral cavity in 73-year-old male patient.