1. Department of Otolaryngology, Head and Neck Surgery, King Fahad Medical City, Riyadh, Saudi Arabia
2. Department of Head and Neck Surgery, King Saud University, Abdulaziz University Hospital, Riyadh, Saudi Arabia
3. Department of Pathology and Laboratory Medicine, College of Medicine, King Saud University Medical City, King Saud University, Riyadh, Saudi Arabia
4. Department of Radiology and Medical Imaging, College of Medicine, King Saud University, Riyadh, Saudi Arabia
5. Department of Otolaryngology Head and Neck Surgery, College of Medicine, King Saud University, Riyadh, Saudi Arabia