A Suggested New Classification System for the Anatomic Variations of the Sigmoid Sinus: A Preliminary Study

Department of Otolaryngology-Head and Neck Surgery, College of Medicine, The Catholic University of Korea, Seoul, Korea

Department of Otolaryngology-Head and Neck Surgery Uijeongbu St. Mary’s Hospital, The Catholic University of Korea; Department of Otolaryngology-Head and Neck Surgery, Uijeongbu St. Mary’s Hospital, The Catholic University of Korea,