Affiliation: | 1. Department of Radiology, Suez Canal University School of Medicine, Ismailia, Egypt;2. Division of Plastic and Reconstructive Surgery, Suez Canal University School of Medicine, Ismailia, Egypt;3. Department of Head and Neck Surgery, Johns Hopkins University School of Medicine, Baltimore, Maryland, USA;4. Milton J. Dance Head and Neck Center Greater Baltimore Medical Center, Baltimore, Maryland, USA |