Areas of Interests

• Surgical treatment of thyroid, parathyroid gland diseases and cancers
• Surgical treatment of adrenal gland (adrenal gland) diseases and cancers
• Laparoscopic & Robotic Surgery

Education:

• Galatasaray High School (1989-1997)
• Istanbul University, Istanbul Faculty of Medicine, Medical Education (1997-2003)
• Istanbul University, Istanbul Faculty of Medicine, Department of General Surgery, Specialization in General Surgery (2003-2009)
• Cleveland Clinic, Endocrine and Metabolism Institute, Center for Endocrine Surgery, USA, Research Fellowship (2014)
• Karolinska University Hospital, Department of Surgery, Division of Endocrine Surgery and Sarcoma Unit, Sweden, Endocrine Surgery Clinical Fellowship (2015)
• Ottawa University, Faculty of Medicine, Children's Hospital of Eastern Ontario, Apoptosis Research Center (ARC), Canada, Translational Medicine Clinical Research Fellowship (2016-2017)

Experience:

• LIV Hospital Ulus & LIV Hospital Vadistanbul
• Bakirkoy Dr. Sadi Konuk Training and Research Hospital (2012-2021)
• Ottawa University, Faculty of Medicine, Canada (2016)
• Karonlinska University Hospital, Sweden (2015)
• Cleveland Clinic, OH, USA. (2014)
• Iğdır State Hospital (2009-2012)

Memberships

• Endocrine Surgery Association, Member of the Board and Secretary General of the Association
• Dialogue Society in Endocrinology, Member
• Endoscopic Laparoscopic Surgery Association, Member
• Turkish Surgery Association, Member
• European Society of Endocrine Surgery(ESES), Member
• European Association for Endoscopic Surgery (EAES), Member
• Society of American Gastrointestinal and Endoscopic Surgeons (SAGES), Member
• Clinical Robotic Surgery Association (CRSA), Member
• American Association of Endocrine Surgeons (AAES), Member
• American College of Surgeons (ACS), Member

Dr. Miroshnyk Tetyana Valeriivna is an endocrinologist with 22 years of clinical experience. She treats endocrine disorders using modern protocols. Her focus is on conservative treatment and long-term care for chronic conditions.

She provides consultations, diagnosis, and ongoing management of endocrine diseases. Her areas of expertise include type 1 and type 2 diabetes, diabetes insipidus, thyroid and adrenal disorders, metabolic syndrome, obesity, and metabolic imbalances.

Dr. Miroshnyk is known for her personalized approach and use of evidence-based methods. She is dedicated to improving patients’ quality of life by preventing complications and tailoring therapy to each individual.

Dr Nimet Ozcan is a dermatologist with over 10 years of experience. She graduated from the Erciyes University Faculty of Medicine in 2008. She completed her dermatology specialization at Ankara Numune Training and Research Hospital in 2014. She provides care in both medical and cosmetic dermatology.

Clinical focus: acne, eczema, psoriasis, and fungal and bacterial infections. Dermato-oncology with early detection and surgical excision of suspicious lesions. Dermal fillers, chemical peels, and mesotherapy. Laser treatment for vascular lesions, pigmentation disorders, and hair removal. Pediatric dermatology. Languages: English.

Dermatologist Dr. Osman Serdar Akkaya graduated from Çukurova University Faculty of Medicine in 1981. He completed his dermatology specialization there in 1985. He has more than 35 years of experience and is among the most senior dermatologists in the region.

His practice includes general dermatology, such as psoriasis, eczema, acne, vitiligo, and urticaria. He focuses on dermato-oncology and performs surgery for benign and malignant skin tumors. He also offers cosmetic dermatology, including fillers, mesotherapy, and chemical peels. He provides laser and light-based treatments for vascular lesions, pigment disorders, scars, and hair removal. He treats geriatric skin conditions and chronic skin diseases.

Education

• Undergraduate: Faculty of Medicine, Istanbul University, 1993-1997
• M.Sc: Faculty of Medicine, Istanbul University, 1997-1999
• Specialization: Pediatrics, Ondokuz Mayıs University, 1999-2004
• Subspecialty: Pediatric Endocrinology, Ondokuz Mayıs University, 2004-2007
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Experience

• Ar.Gör. (Research Assistant): Ondokuz Mayıs University Faculty of Medicine, 1999-2004
• Research Assistant (Minor Research Assistant): Ondokuz Mayıs University Faculty of Medicine (Pediatric Endocrinology), 2004-2007
• Assist. Assoc. Dr.: Ondokuz Mayıs University Faculty of Medicine, 2007
• Uzm. Dr.: Gulhane Military Medical Academy (Military Service), 2007-2008
• Uzm. Dr.: Bakırköy Obstetrics and Gynecology Training and Research Hospital (Compulsory Service), 2008-2011
• Assoc: 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-
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Scientific Memberships

• National Pediatric Association
• Pediatric Endocrinology and Diabetes Association
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Awards

• Growth curves of Turkish girls with Turner syndrome: FAVOR Turner syndrome study group: 59th national pediatric congress 4-8 November 2015 ANTALYA PRIZE FIRST PRIZE FOR AN ORAL PRESENTATION
• Anthropometric findings and karyotype in Turner syndrome: National Turner syndrome database. 19TH UPEK 22-25 OCTOBER 2015. POSTER SECOND PRIZE
• Investigation of the Role of Irisin in the Pathophysiology of Puberty Precox in Female Rats. Esra Kutlu, İlker Tolga Özgen, Huri Bulut 24th UPEK Short Oral Presentation First Prize.
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Medical Interests

• -Growth Retardation
• -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 Gynaecomastia in Boys
• -Adrenal Gland Disorders

Bariatric Surgeon

Dr. Derya Zengin Metli is a physician specialized in physical therapy and rehabilitation. She graduated from Akdeniz University Faculty of Medicine. Her practice includes physical therapy and physiotherapy services. She also consults in English.

Her clinical scope includes musculoskeletal rehabilitation for back, neck, and joint pain, and herniated discs. She provides neurological rehabilitation for stroke and multiple sclerosis. She also offers post-surgical rehabilitation after orthopedic and neurosurgical procedures, sports injury prevention and treatment, and chronic pain management for fibromyalgia and arthritis.

Pediatrics and adolescent medicine, endocrinology and diabetology.

医師はMater Olbia病院のバリアトリックセンターにおける内分泌およびバリアトリック外科ユニットのディレクターです。医師はイタリア、ローマのUniversità Cattolica del Sacro Cuoreの医学部を卒業し、医学と外科の学位および一般外科の専門医証明書を取得しました。病的肥満および内分泌腺疾患に対する腹腔鏡手術アプローチを専門とし、医師は低侵襲技術を重視しています。4500以上の外科手術を行い、そのうち1500以上を主要外科医として担当した経験を持ち、選択的および緊急手術において豊富な経験を有しています。<\/p>

2015年から2020年まで、医師はUniversità Cattolica del Sacro Cuoreで「一般外科の専門訓練」を教え、2013年から2018年までイタリア外科学会の内分泌外科全国学校で教鞭をとっていました。<\/p>

Prof Spiezia works for our private clinic in Naples, Clinica Ruesch. He is also the Head of the Endocrine Surgery Operative Unit at Ospedale del Mare Hospital, specializing in surgical procedures related to endocrine disorders, particularly thyroid and adrenal surgeries. He is also the Head of the Endocrine Surgery Regional Network, and consultant in the field of diagnostics and ultrasound-interventional therapy. 

Professor specializes in all endocrine pathologies with minimally invasive thyroid-saving interventions, on the parathyroids and lymph nodes, through video-assisted techniques, thermoablation with radio frequency for thyroid nodules, microwave thermoablation, and with laser.

He diagnoses the thyroid and lymph nodes by means of ultrasound-guided needle aspiration. Qualified as a robotic surgeon, coordinates training schools in endocrine ultrasound and has promoted various scientific meetings and training courses, emphasizing the care pathways for patients with thyroid pathologies. 

EDUCATION

Prof Stefano Spiezia holds a degree in Medicine and Surgery from the University of Naples, graduating cum laude in 1981. He specialized in Emergency Surgery at the same university, obtaining his diploma in 1986. In 1993, he completed a six-month specialization course in Minimally Invasive Surgery, followed by a managerial course in 1996 focused on healthcare organization management. He received accreditation for ultrasound units in 1997 and achieved a II level University Master’s Degree in Endocrine Surgery from the Seconda Università degli studi di Naples in 2007. This extensive educational background underscores his expertise in surgical practice and healthcare management.

PROFESSIONAL ACTIVITY

Stefano Spiezia has held several significant roles both in Italy and internationally, including:

• Head of the Endocrine Surgery Operative Unit, Naples, Italy
• Adjunct Professor at the University of Turin, Italy (2011-2025)
• Professor at Second University of Naples for Endocrine surgery, and Interventional diagnostics of the neck (1998-2014)
• Coordinator of the Training School at the Italian Society of Ultrasound in Medicine and Biology (SIUMB).
• Director and founder of the "Save Your Thyroid" International School of SIUMB, operating in Naples, Italy, and Cairo, Egypt
• Consultant in the Visiting Professor program at the Saudi German Hospital in Cairo, Egypt.
• Speaker and Organizer at various international congresses, including the ACTA Congress in Taipei, and the American Thyroid Association Congress in Chicago 

RESEARCH, PUBLICATIONS, MEMBERSHIP

Prof. Stefano Spiezia's research primarily focuses on endocrine disorders, particularly in the context of thyroid and adrenal surgeries: the development and application of minimally invasive surgical techniques, particularly for thyroid and adrenal surgeries, and is recognized as an expert in thermal ablation of the thyroid. 

In Clinical Trials, he is the Principal Investigator (PI) of the first in-human clinical trial (NP-TF-024) aimed at treating benign thyroid nodules, which highlights his commitment to advancing treatment options in endocrine surgery.

Stefano Spiezia is a member of several professional societies, including:

• Founder member of the EUROMIT in Minimally Invasive Thyroid Treatments
• American Thyroid Association: A leading organization focused on thyroid health and research.
• North American Society for Interventional Thyroidology: This society is dedicated to advancing the field of interventional thyroidology.
• Italian Society of Endocrine Surgery (SIUEC): He is a member and serves as a regional delegate in this society, which focuses on endocrine surgical practices in Italy.
• Italian Society of Ultrasound in Medicine and Biology (SIUMB): He is a member and currently serves as the General Secretary of this society, which promotes the use of ultrasound in medical practice

His  Editorial Roles:  Review Editor on the Editorial Board of Thyroid Endocrinology and a member of the Video Endocrinology editorial board in the ATA. 

Author of 7 books and 68 scientific publications.

His work has been cited 3,466 times across 2,256 documents, indicating a significant impact in his field.

Endocrinologist

Dr. Ozlem Yogurtcu is a general surgeon with extensive experience. She graduated from Dokuz Eylul University Faculty of Medicine. She completed her general surgery residency at Haseki Training and Research Hospital, 1st Surgical Clinic. She is fluent in English.

Her practice includes gastrointestinal surgery (gallbladder disease, hernias, appendicitis, other gastrointestinal conditions). It also includes endocrine surgery (thyroid, parathyroid, adrenal) and breast surgery (benign and malignant conditions). She treats emergency and trauma cases. She performs minimally invasive laparoscopic procedures.

She is known for precise surgery and a patient-centered approach.

Dr Erdem Gelegen is an ophthalmologist with over 20 years of experience in cataract, refractive, retinal, glaucoma, and corneal/anterior segment care. He performs phacoemulsification with premium intraocular lenses. He provides laser vision correction for myopia, hyperopia, and astigmatism. He treats diabetic retinopathy, age-related macular degeneration, retinal detachment, keratoconus, and anterior segment disorders, including corneal transplants.

He graduated from Istanbul University Cerrahpaşa Faculty of Medicine in 1999. He completed his ophthalmology residency at Okmeydanı Training and Research Hospital in 2004. He is known for precise microsurgery and the use of advanced ophthalmic technologies.

Dr. Cevat Azeroglu is a radiologist. He graduated from the Tabriz University Faculty of Medicine in 1987. He completed his radiology specialization at Ondokuz Mayıs University in 2011. Born in 1959, he provides advanced imaging to support accurate, timely decisions for many specialties.

His expertise includes conventional radiology with X-rays for musculoskeletal and chest disease. He performs ultrasound of the abdomen, thyroid, vessels, and soft tissues. He interprets CT and MRI for neurological, cardiovascular, and oncologic conditions. He practices interventional radiology with image-guided, minimally invasive procedures. He also focuses on oncologic imaging for staging and follow-up. He is known for diagnostic precision, use of modern imaging tools, and strong teamwork.

エイドガン・エイドグドゥ博士は、長年の職業キャリアを持つ非常に経験豊富な内分泌学者であり、1997年にギュルハネ軍医学院を卒業し、2004年と2010年に専門訓練を受けました。彼の医学的関心には糖尿病、甲状腺疾患、肥満、男性不妊症/ホルモン欠乏、多嚢胞性卵巣症候群、下垂体疾患、副腎疾患などがあります。

• 1997年にギュルハネ軍医学院を卒業
• 2004年と2010年に専門訓練を受けた
• 現在の職位：インターナショナル・メディカナ病院、内分泌科、アンカラ
• 医学的関心：糖尿病、甲状腺疾患、肥満、男性不妊症/ホルモン欠乏、多嚢胞性卵巣症候群、下垂体疾患、副腎疾患など。

Areas of Interests

• 0-18 Years Old Healthy Child Monitoring and Tracking
• Breast Milk, Breastfeeding and Nutrition Consultancy
• Newborn Care and Follow-up
• Vaccines and Preventive Medicine
• Nutrition in Infancy and Childhood
• Childhood Diseases

Education:

• Istanbul University Istanbul Faculty of Medicine 2009-2015
• Istanbul University Istanbul Faculty of Medicine Department of Child Health and Diseases 2016-2019
• Şişli Hamidiye Etfal Training and Research Hospital, Department of Child Health and Diseases 2020

Experience:

• Liv Hospital Ulus
• Private Levent Hospital 2022-2023
• Van Özalp State Hospital 2021-2022
• Şişli Hamidiye Etfal Training and Research Hospital Child Health and Diseases Clinic 2020
• Istanbul University Istanbul Faculty of Medicine Child Health and Diseases Clinic 2016-2019
• Denizli State Hospital Pediatric Emergency Service 2015-2016
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• Psoriatic Arthritis in the Differential Diagnosis of Zinc Deficiency - Scientific Poster Presentation (38th Pediatrics Days - 2016)
• Myoclonic Epilepsy in a Patient with Type 1 Diabetes Mellitus - Scientific Poster Presentation (39th Pediatrics Days - 2017)
• Evaluation of Children Diagnosed with Acute Pancreatitis - Specialization Thesis (November 2020)