en Case Report Arterial tortuosity, Life-threatening, Retropharyngeal, Transoral surgeries 181 185 https://ijorl.mums.ac.ir/article_20124.html Siti Asmat Md Arepen drsitiasmat@usim.edu.my 87000 No Department of Otorhinolaryngology, Faculty of Medicine and Health Sciences, Islamic Science University of Malaysia Azreen Zaira Abu Bakar azreenzaira@gmail.com 87001 No Department of Otorhinolaryngology, Hospital Kuala Lumpur, Ministry of Health, Malaysia. Nour Hanan Daniah Mohd Bakhit nourhanandaniah@gmail.com 87002 No Otorhinolaryngology Head and Neck Surgery, Surgical-based Department, Faculty of Medicine and Health Sciences, University Sains Islam Malaysia, Negeri Sembilan, Malaysia. Ahmad Anwaar Muhammad Saifullah ahmadanwaar.ms@gmail.com 87003 No Otorhinolaryngology Head and Neck Surgery, Surgical-based Department, Faculty of Medicine and Health Sciences, University Sains Islam Malaysia, Negeri Sembilan, Malaysia. Nor Azirah Salahuddin norazirah@usim.edu.my 87004 No Otorhinolaryngology Head and Neck Surgery, Surgical-based Department, Faculty of Medicine and Health Sciences, University Sains Islam Malaysia, Negeri Sembilan, Malaysia. Nor Eyzawiah Hassan eyzawiah@usim.edu.my 86999 Yes Otorhinolaryngology Head and Neck Surgery, Surgical-based Department, Faculty of Medicine and Health Sciences, University Sains Islam Malaysia, Negeri Sembilan, Malaysia.