Eshrak Hassanein
Assist. Department of Radiology Faculty of Medicine, Ain-Shams University
Eman Geneidi
From the Departments of Radiology Otorhinolaryngology Ain- Shams University Hospital, Faculty of Medicine, Cairo-Egypt
Mohamed Taha
From the Departments of Radiology Otorhinolaryngology Ain- Shams University Hospital, Faculty of Medicine, Cairo-Egypt