Assoc Prof Sema KOC has the most prestigious international-national accreditation and has been working Otolaryngolog and Head-Neck Surgeon with more than 18 years of surgical experience. Dr Koc graduated from Gazi University Medical Faculty-Ankara, one of the wellestablished medical schools of Turkey. Apart from performing nine thousands of ear nose throat and head-neck surgery operations, she was accepted to Wurzburg University, Department of Ear Nose Throat and Head-Neck Surgery in Germany, and had the chance to improve his surgical skills, experience and international communication abilities. She has extensive and successful studies in the fields of nosejob, close rhinoplasty, open rhinoplasty, revision rhinoplasty, ear reconstruction, hearing loss, ear surgery, ear drum surgery, stapedectomy (otosclerosis surgeon), sinus surgery, surgical treatment of snoring and sleep apnea, surgery for head and neck cancers, She has been invited to more than 30 congresses as a speaker and faculty. Besides he has over than 50 International Scientific Publication. Dr Koc is a rare Turkish member of the prestigous ISAPS (International Society of Aesthetic Plastic Surgery), European Head & Neck Society, The European Head and Neck Cancer Community, AHNS - American Head and Neck Society, Canadian Society of Otolaryngology-Head and Neck Surgery, The European Society of Pediatric Otorhinolaryngology and regularly lends his expertise and opinions on television, radio and in the print media.
Popular Treatments
Rhinoplasty
- Open Rhinoplasty,
- Closed Rhinoplasty
- Cosmetic Nose Surgery
- Nasal Tip Surgery
- Alarplasty
- Septoplasty
FESS - Functional Endoscopic Sinus Surgery
Snoring-Sleep Apnea Surgery - Expansion Sphincter Pharyngoplasty
- Expansion Sphincter Pharyngoplasty
-Lateral Pharyngoplasty
-Expansion Pharyngoplasty
-Tongue-Base Suspension
-Robotic Tongue-Base Resection
Ear Surgery - Otoplasty
- Otoplasty
-Tympanoplasty Surgery
-Mastoidectomy Surgery
-Facial Nevre Decompression Surgery
-Cochlear İmplantation
Head and Neck Cancer Surgery-Larynx Cancer
-Tongue Cancer
-Thyroid Cancer
-Lip Cancer
-Oral Cavity Cancer
-Radical and Functional Neck Dissection
-Skin Cancer
Vertigo -VNG (videonystagmography) test
-VHIT -Vestibular Rehabilitation
The doctor has completed medical school in Turkey, participated in a temporal bone dissection course, a rehabilitation course in patients with laryngectomy, and internships in otorhinolaryngology and general surgery in Germany. The doctor has also held positions as a general practitioner and ENT specialist in both Turkey and Germany.
Any other educational courses and certificate (those conducted internationally as well):
1. Otorhinolaryngology Allergy Course 2004
2. Occupational English Test OET certificate 2016
3. Ege university Cadaver DBsection Course 2017
Memberships & Associations (Please list all your local, regional and international memberships
| Facial Plastic Surgery Deaek |
| Turkish Society of Otorhinolaryngology and Head and Neck Surgery |
| European Academy of Allergology and Clinical Immunology |
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Op.Dr. Osman Tuğrul GÜZELDİR was born on May 1, 1983. After completing his pre-graduate studies, he successfully graduated from Atatürk University Faculty of Medicine and obtained the title of Medical Doctor. He specialized in Otorhinolaryngology at Gazi University Faculty of Medicine and became an Ear, Nose, and Throat Specialist.
After completing his specialization training, Op.Dr. Osman Tuğrul GÜZELDİR worked at Afyonkarahisar Bolvadin Dr. Halil İbrahim Özsoy State Hospital from 2013 to 2015. He later served in various private hospitals in Ankara. In 2020, he joined the academic staff at Istanbul Health and Technology University and currently serves as an Assistant Professor at Koru Ankara Hospital.
Op.Dr. Osman Tuğrul GÜZELDİR is a member of the Turkish Society of Otorhinolaryngology and Head and Neck Surgery, Turkish Skull Base Society, Turkish Medical Association, Turkish Rhinology Society, and Ankara Medical Chamber. He also has a good command of English.
His medical interests include:
Head and neck tumors
Aesthetic and Functional Nose Surgery (Rhinoplasty, Septoplasty)
Eardrum and middle ear diseases
Dizziness, hearing loss, and balance disorders
Thyroid and parathyroid gland diseases
Childhood neck masses
Salivary gland diseases and tumors
Childhood ear-nose-throat diseases
Nasal congestion and sinus diseases
Hoarseness and laryngeal diseases
Specialization : Ear Nose Throat
Foreign Language : English
Education :
Medicine:
2011 Abant İzzet Baysal University Faculty of Medicine
Expertise:
2016 Selcuk University Faculty of Medicine – ENT AD.
Thesis:
Evaluation of upper esophageal sphincter pressure in patients with vocal cord pathology
Certificate of competency:
He has The Turkish Board Of Otorihnolaryngologj- Head and Neck Surgery Qualification Certificate.
Experience:
Medical interests and specialties:
Nose aesthetics (Ultrasonic Rhinoplasty)
Endoscopic (closed method) Hearing and Eardrum Surgery
Pediatric ENT Diseases
Snoring Treatment and Surgery
Head and Neck Tumors
Vertigo (Dizziness), Tinnitus (Tinnitus)
Voice and Swallowing Problems
Experience:
2012-2016 Selcuk University ENT Clinic
2016-2019 Konya Training and Research Hospital ENT Clinic
2019-2020 Yalova State Hospital ENT Clinic
2020- 2022 Special Specialists Yalova Hospital
2022- …… Private Sakarya Adatip Hospital
Memberships:
1- Turkish Otorhinolaryngology Head and Neck Surgery Association
2- European Association of Young ENT Physicians
3- Turkish Medical Association
Article, Presentation, Publication, Congress, Course, Award:
Works:
1- Attention deficit hyperactivity disorder symptoms in children with vocal fold nodules
O Erdur, A Herguner, K Ozturk, E Kibar, C Elsurer, MK Bozkurt, International journal of pediatric otorhinolaryngology 85, 5-7
2- Aberrant internal carotid artery: a rare cause of dysphagia
K Ozturk, O Erdur, E Kibar, F SofuogluJournal of Craniofacial Surgery 27 (3), 818
3- Evaluation of upper esophageal sphincter in benign vocal lesions
E Kibar, O Erdur, K Ozturk European Archives of Oto-Rhino-Laryngology 275 (12), 3033-3037
4- Permanent quadriplegia following replacement of voice prosthesis
K Ozturk, O Erdur, E Kibar Journal of Craniofacial Surgery 27 (8), e741-e743
5- Analysis of cases with otosclerosis
B Çolpan, K Öztürk, Ç Elsurer, E Kibar, Ö Erdur Journal of Otorhinolaryngology 4 (3), 105-10
6- Hydatid Cyst of the Parotid Gland: A Rare Location
O Erdur, B Colpan, F Sofuoglu, E Kibar Journal of Craniofacial Surgery 29 (1), e98-e99
7- Paediatric mandibular fractures: A retrospective study of 15 patients
E Demir, O Erdur, E Kibar, C Elsurer, MK Bozkurt, K Ozturk, B Colpan
British Journal of Oral and Maxillofacial Surgery 54 (10), e113-e114
8- Giant concha bullosa causing severe nasal congestion
Ö Erdur, Ç Elsurer, E Kibar, MK Bozkurt ENT Applications 35 (ENT Applications)
9- Endoscopic excision of recurrent nasal septal pyogenic granuloma
Contemporary Elsurer, Omer Erdur, Hakan Dagestan, Mete Kaan Bozkurt, Ertugrul Kibar
ENT Applications 81 (2016;4(2):81-84)
10- Cervical vertebra osteophytes causing dysphagia: two case reports.
Z Fazliogullari, A Nayman, E Kibar, H Karabagli, K Ozturk, AK Karabulut
Anatomy: International Journal of Experimental & Clinical Anatomy
11- Giant pleomorphic adenoma of parapharyngeal space extending to the skull base
E Kibar, B Colpan, F Sofiev
Otorhinolaryngologist. Specialist in the Head and Neck Surgery.
Professor of Otolaryngology
Dr. is a board-certified ENT specialist with 20 years of experience and has held the position of Professor Dr. since 2017. He is a member of the Istanbul Medical Chamber, the Turkish ENT and Head and Neck Surgery Association, and the American Head and Neck Society.