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Pediatric Endocrinology

Fields of Study and Interests

 Growth delays

 Puberty problems (early or late puberty)

 Menstrual irregularities in adolescent girls

 Increased hair growth in adolescent girls

 Diabetes

 Obesity

 thyroid problems

 pituitary disorders

 genital abnormalities

 micropenis and gynecomastia in children

 Adrenal gland disorders

Education

 Undergraduate Faculty of Medicine Istanbul University 1993-1997

 Master's Degree Faculty of Medicine Istanbul University 1997-1999

 Medical Specialization Child Health and Diseases

 Ondokuz Mayıs University 1999-2004

 Minor Specialization Pediatric Endocrinology Ondokuz Mayıs University 2004-2007

Career

 Research Asst. Ondokuz Mayıs University Faculty of Medicine 1999-2004 Minor Research

Assistant Ondokuz Mayıs University Faculty of Medicine (Pediatric Endocrinology) 2004-

2007

 Asst. Assoc. Dr Ondokuz Mayıs University Faculty of Medicine 2007

 Specialist Dr. Gülhane Military Medical Academy (Military Service) 2007-2008 Specialist.

Dr. Bakırköy Gynecology and Pediatrics Training and Research Hospital (Compulsory

Service) 2008-2011 Asst.Prof. Bezmialem Vakif University Faculty of Medicine 2011-2013

 Assoc. Dr. Bezmialem Vakif University Faculty of Medicine 2013-2018

 Prof. Dr Bezmialem Vakif University Faculty of Medicine 2018-2023

 Prof. dr. Biruni University 2023-

Publications: Ulusalararası Bilimsel Dergilerde yayımlanmış eserler 7.1.1. Bek K, Ozkaya

O, Fisgin T, Aliyazicioglu Y, Paksu MS, Ozgen T, Albayrak D, Baysal K. Protein Z and natural

anticoagulants in children on peritoneal dialysis and hemodialysis. Pediatr Nephrol.

Urology

Fields of Study and Interests

• Urooncology

• Prostate cancer

• Bladder Cancer

• laparoscopy

• Endourology

• Robotic Surgery

• Stone Diseases

• Andrology

• İnfertility

Education

• Health Sciences University GOP Taksim Training and Research Hospital Urology Specialization

Training 2017, Istanbul / Turkey

• Istanbul University Faculty of Medicine Medical Doctor Education 2011, Istanbul / Turkey

Career

• Yeni Yüzyıl University Private Gaziosmanpaşa Hospital 2020-2021, Istanbul / Turkey

• Sisli Florence Nightingale Hospital 2020, Istanbul / Turkey

• GOP Taksim Training and Research Hospital 2017-2020, Istanbul / Turkey

• GOP Taksim Training and Research Hospital (Medical Specialization Training) 2012-2017,

Istanbul / Turkey

• Marmara Ereglisi District State Hospital 2011, Istanbul / Turkey

Publications: Cilesiz NC, Erdoğan N, Özkan A, Kalkanlı A, Hazar Aİ, Balcı MBC, Aydın M, Özdemir

E. Pleomorphic undifferentiated sarcoma: A case of a giant renal mass. Urol Case Rep. 2018 Jan

8;17:44-47. doi: 10.1016/j.eucr.2018.01.002. eCollection 2018 Mar. PubMed PMID:

Orthopedics And Traumatology

Fields of Study and Interests

• Trauma Surgery

• Arthroscopic Surgery

• Arthroplasty

Education

• Istanbul University Istanbul Faculty of Medicine

• Medical Doctor Education

• 2010, Istanbul/Turkey

• Bezmialem Vakif University Faculty of Medicine

• Orthopedics and Traumatology Specialization Training

• 2016, Istanbul/Turkey

Career

• Hakkari Yüksekova State Hospital

• 2016-2017, Hakkari/Turkey

• Bezmialem Vakif University Faculty of Medicine Hospital

• 2011-2016, Istanbul/Turkey

• Mus State Hospital (State Service Obligation)

• 2010-2011, Mus/Turkey

• Mus Varto State Hospital

• 2010, Mus/Turkey

Publications: Articles published in international peer-reviewed journals

Polat G, Ceylan HH, Kuyucu E, Demir N, Karademir G, Erdil M. Changes in Body Mass Index after

Arthroscopic Surgery and Its Effect on Functional Outcomes, International Journal of Clinical

Adult Hematology

Fields of Study and Interests

• Stem cell transplantation (bone marrow transplantation:

autologous/allogeneic)

• Acute leukemias (AML-ALL)

• Chronic leukemias

• Lymphomas (Hodgkin and non-Hodgkin lymphomas)

• Multiple myeloma

• Bone marrow deficiencies (Myelodysplastic syndrome - aplastic anemia etc.)

• Chronic myeloproliferative diseases (polycythemia vera - essential thrombocytosis - primary

myelofibrosis)

• Anemias / Polycythemias (anemia - excess blood)

• Outpatient and inpatient chemotherapies - immunotherapies - targeted therapies

Education

• Faculty of Medicine – Cerrahpaşa Faculty of Medicine 1999-2005

• Internal Medicine Specialist Training – İstanbul Haseki Training and Research Hospital

20062010

• Hematology Subspecialist Dr. Abdurrahman Yurtaslan Ankara Oncology Training and Research

Hospital – Hematology and Stem Cell Transplantation Clinic 2013-2017

• Associate Professor İstanbul Ümraniye Training and Research Hospital 2019

Career

• Assistant Doctor Istanbul Haseki Training and Research Hospital-Internal Medicine Clinic

20062010

• Internal Medicine Specialist Istanbul Esenyurt State Hospital 2010-2012

• Internal Medicine Specialist-Military Service Samsun Military Hospital 2012-2013

• Minor Specialization Training Dr. Abdurrahman Yurtaslan Ankara Oncology Training and

Research Hospital – Hematology and Stem Cell Transplantation Clinic 2013-2017

• Hematology Subspecialist Ankara Gülhane Training and Research Hospital, Hematology and

Stem Cell Transplantation Clinic 2017-2018

• Hematology Subspecialist Istanbul Ümraniye Training and Research Hospital/Hematology

2018-2019

• Associate Professor Istanbul Ümraniye Training and Research Hospital/Hematology 2019-2021

• Associate Professor Maltepe University Faculty of Medicine / Hematology 2021-2024

• Associate Professor Istanbul VM Medical Park Pendik Hospital / Hematology and Stem Cell

Transplantation Clinic 2022-2024

Child Health and Diseases

Fields of Study and Interests

 Child nutrition Growth and development monitoring

 Childhood Vaccination

 Childhood Vitamin-mineral supplements in childhood Breastfeeding and its benefits

Education

 Undergraduate Faculty of Medicine Istanbul University 1992-1998

 Specialization in Child Health and Diseases - Istanbul University Faculty of Medicine 1998-

2003

Career

 Assistant Dr. Istanbul University Faculty of Medicine, Child Health and Diseases 1998-2003

 Expert Dr. Tem Hospital

 Medical Park 2003-2010 Expert Lecturer Bezmialem

 Foundation University Faculty of Medicine Child Health and Diseases USA 2010-2014

 Yard. Assoc. Dr. Bezmialem Foundation University

 Faculty of Medicine, Child Health and Diseases USA 2014-2015

 Assoc. Dr. Bezmialem Vakıf University Faculty of Medicine Child Health and Diseases USA

2015-2020

 Prof. Dr. Bezmialem Vakıf University Faculty of Medicine Child Health and Diseases USA

2020- 2023

 Prof. Dr. Biruni University Faculty of Medicine Child Health and Diseases USA 2023-present

Publications: Torun, AD. Demir, E.Gönüllü, F. Öktem. "Therapy strategies in vitamin D

deficiency with or without rickets: efficiency of low-dose stoss therapy", Journal of Pediatric

Endocrinology and Metabolism, "25 (1-2)", 107-110 pp., January-2012,

Pediatric Hematology and Oncology / Pediatric Oncology

Cardiovascular surgery

Specialist of regenerative medicine

Brain and Nerve Surgery

Dermatologist

Fields of Study and Interests

 Cosmetic Applications Pediatric Dermatology Allergic skin diseases

 Nail Diseases Laser Applications

 Psoriasis Acne Rosacea Autoimmune bullous diseases

 Hidradenitis Suppurativa Sexually transmitted diseases

 hair diseases

 Dermoscopy Skin biopsy Nevus monitoring Filling applications

 Skin tumor surgery and follow-up Botulinum toxin applications Mesotherapy applications

PRP Scar treatment

 spot treatment

 Education

 Load. Lecturer (6 YEARS) Uludağ University

 Faculty of Medicine 2015 Specialization in Medicine

 Marmara University Department of Dermatology 2020

 Career

 Uzunköprü State Hospital Emergency Service 2015-2016

 Marmara University Training and Research Hospital 2016-2022

Publications: Salman, Andac, and Elif Comert. "The real-life effectiveness and safety of

omalizumab updosing in patients with chronic spontaneous urticaria." Journal of cutaneous medicine and surgery

Professor of Pediatric Cardiology. Pediatric Cardiology Specialist at Memorial Ataşehir (2024–present) and Memorial Göztepe (2025–present). Co‑founding faculty member and Director of the Pediatric Cardiology Angiography Units at Başakşehir Çam & Sakura City Hospital (2020–2024).

Authored over 100 international and over 50 national papers. Citations exceed 1,200, with an H‑index of 16. Gave over 100 international and over 700 national presentations. Contributed to 3 translations and 7 chapters. Awards include 6 national and 1 international. Ranked second in Türkiye on the 2017 National Pediatric Cardiology Board exam. Vice Chair of the Interventional Cardiology Working Group (2019–2024). AEPC member. Training includes Arkansas Children’s PICU (2010), non‑fluoroscopic interventions at Fuwai (2018), and LVAD (2023). Since 2018, has performed over 250 pediatric interventional angiography procedures on missions.

Dr. Hulda Rifat Ozakpinar is a specialist in Plastic, Reconstructive, and Aesthetic Surgery. She graduated from Ankara University Faculty of Medicine in 1995. She completed her specialization in Plastic, Reconstructive, and Aesthetic Surgery in 1998. Dr. Ozakpinar has held important positions at Ankara University and Showa University School of Medicine in Japan. She worked there as a Research Fellow and Microsurgery Lecturer. She also served as a Specialist Doctor and Associate Professor at the Ministry of Health, Republic of Türkiye.

Dr. Ozakpinar has led clinical research, especially on lower lip cancer reconstruction. She has received scholarships from the Japanese Ministry of Education (MEXT) and TÜBİTAK. She currently works at Lokman Hekim Akay Hospital.

Place and Date of Birth

• 1972

Language Skills

• English

Education and Experience

• Hacettepe University, School of Medicine (Undergraduate Education)
• Bahçeşehir University, School of Medicine (Education Commission Membership)

Memberships

• TOD (Turkish Society of Ophthalmology)
  
  International Articles

ULUOCAK N., PARLAKTAS BS., DENİZ FE, ERDEMİR F., KOSEOGLU RD., GEDAR OM. ORBITAL METASTASIS OF PROSTATE CANCER: A CASE REPORT. KAOHSIUNG J MED SCI. 2007;23:199–202.

Gedar (Totuk) OM, ARI DE, AYKAN Ü. Anesthetıc Management in Glaucoma Surgery. ARC Journal of Anesthesiology Volume 1, Issue 3, 2016, PP 9-18

ISSN No. 2455-9792 (Online) http://dx.doi.org/10.20431/2455-9792.0103002

www.arcjournals.org.

International Reports

TOYGAR B, GORGUN E, GEDAR M, COSKUNSEVEN E, ARSLAN E.REFRACTIVE LENS EXCHANGE WITH THE DIFFRACTIVE TECNIS MULTIFOCAL IOL: LONG-TERM FOLLOW-UP. XXIV CONGRESS OF THE ESCRS. 9-13 SEPTEMBER 2006, LONDON. FREE PAPER. ABSTRACT BOOK P.151-152.

TOYGAR B, GORGUN E, COSKUNSEVEN E, ARSLAN E, GEDAR M. TORIC PHAKIC INTRAOCULAR LENS IMPLANTATION: LONG-TERM RESULTS. XXIV CONGRESS OF THE ESCRS. 9-13 SEPTEMBER 2006, LONDON. FREE PAPER. ABSTRACT BOOK P.152.

GEDAR M, TOYGAR B, COSKUNSEVEN E, ARSLAN E. COMPARISON OF FLAP THICKNESS ACCURACY USING HANSATOME® XP MICROKERATOME AND INTRALASE FEMTOSECOND FS2 AND FS30 LASERS FOR LASIK. XXIV CONGRESS OF THE ESCRS. 9-13 SEPTEMBER 2006, LONDON

 DRY EYE, TREATMENTS. SEEOS 5TH CONGRESS. CRCRS – 4TH OPHTHALMOLOGİC SCHOOL – 16-18 MAY 2008. INVITED SPEAKER.

 TRANSCANALICULAR ENDOSCOPIC DCR. SEEOS & BSOS CONGRESS- 19-22 MAY 2011. INVITED SPEAKER.

 EARLY EXPERIENCE WITH A NEW DIFFRACTIVE REFRACTIVE MULTIFOCAL IOL. TOYGAR B, YABASKIZILOGLU O, TOYGAR O, HACIMUSTAFAOGLU AM, GEDAR OM. ASCRS•ASOA SYMPOSİUM & CONGRESS MAY 6-10, 2016.


 

Dr. Koray Karabulut is a general surgery specialist at Memorial Göztepe Hospital (2025–). His focus is HPB surgery, liver transplantation, and robotic or minimally invasive surgery. He was the responsible specialist at the Fırat University Liver Transplant Center (2014–2018). He then worked as an organ transplantation specialist at Memorial Şişli (2018–2019). In 2024, he worked in robotic HPB surgery at Ageo Medical Center.

Training highlights include minimally invasive HPB at IRCAD (2015). He completed a research fellowship at the Cleveland Clinic on liver tumors and laparoscopic‑robotic surgery (2010–2011). He also completed liver transplant training at the İnönü University Institute (2011–2012). He earned his MD and finished his general surgery residency at Istanbul University. He became an associate professor in 2013. His academic work includes peer‑reviewed papers in J Gastrointest Surg, Surgery, and Surg Endosc. He has written surgical book chapters. He is a guideline author for the Turkish Surgical Society and served on editorial boards (2011–2016).

Specializations

• Rhinoplasty Aesthetics
• Facial Applications in Surgery
• Breast Aesthetics
• Body Shaping Aesthetics
• Liposuction
• Botox-Filler-Mesotherapy Procedures

2009-2014 Istanbul Okmeydanı Eğt. And Research. Hst. ENT Specialization Training

2007-2009 Kocaeli University Faculty of Medicine

2002-2007 Gülhane Military Medical Faculty (GATA) Faculty of Medicine

2024- Medicine Hospital Specialist Doctor

2019-2023 Ankara City Hospital Specialist Doctor

2018-2019 Istanbul Gaziosmanpaşa Eğt. And Research. Hst. Specialist Doctor

2016-2018 Private Reyap Hospital Specialist Doctor

2015-2016 Private Haliç Hospital Specialist Doctor

2014-2015 Muş Malazgirt State Hospital Specialist Doctor

2014-2014 Istanbul Bahçelievler State Hospital Specialist Doctor

2009-2014 Istanbul Okmeydanı Eğt. And Research. Hst. Assistant Physician

2009-2009 Tokat Reşadiye District State Hospital General Practitioner

Articles he wrote and contributed to;

2023 - Buyukkoc O, Celik B, Yalcıner G, Uzun Ata E, Babademez MA. Mucociliary Clearance and its Relationship to Chest CT Scores in Covid 19 Patients. On J Otolaryngol & Rhinol. 6(3): 2023. OJOR.MS.ID.000637. DOI:10.33552/OJOR.2023.06.000637.

2021 - Akca Caglar A, Akca H, Kurt F, Akcan Yildiz L, Nalcacioglu P, Buyukkoc O, Dibek Misirlioglu E. Sudden-onset haemolacria in an adolescent girl. Paediatr Int Child Health. 2021 Nov;41(4):295-299.1949563. Epub 2021 Jul 18. PMID: 34275424.

2014 - Topaloglu I, Salturk Z, Atar Y, Berkiten G, Buyukkoç O, Cakir O. Evaluation of voice quality after supraglottic laryngectomy. Otolaryngol Head Neck Surg. 2014 Dec;151(6):1003-7. Epub 2014 Oct 10. PMID: 25305271.

2013 - The Relationship Between Laryngeal Cancers and Neck Metastases/ Poster Paper

2013 - Use of Calcium Hydroxyapatite as Injection Material in Vocal Cord Paralysis/ Oral Presentation

2012 - Classification of deformities in patients operated for nasal septal deformity/Poster Paper

2012 - Bal M, Berkiten G, Topaloğlu İ, & Büyükkoç O. Waardenburg Syndrome (Report Of 4 Cases).