Education and Experience
Medical Interests
Diabetes
Thyroid Diseases
Obesity
Hyperlipidemia
Secondary Hypertension (Resistant Hypertension)
Pituitary Gland Diseases
Adrenal Gland Diseases
Hirsutism (Increased Hairiness)
Irregular period
Delayed Puberty (Delayed Puberty)
Metabolic Bone Diseases
Osteoporosis
Menopause
Gynecomastia
Excessive Sweating (Hyperhidrosis)
Developmental Retardation
Education
Ziya Gokalp High School / 1993 - 1996
Gazi University Faculty of Medicine / 1997 - 2004
Ankara Numune Training and Research Hospital / 2005-2009 / (Internal Medicine Clinic)
Ankara Numune Training and Research Hospital / 2010-2013 / (Endocrinology and Metabolic Diseases Clinic)
Experience
Ankara Numune Training and Research Hospital / Clinic of Internal Medicine / Assistant / 2005 -2010
Bala District State Hospital / Specialist / State Service Obligation / 2010 -2010
Ankara Numune Training and Research Hospital / Clinic of Endocrinology and Metabolism Diseases / Minor Assistant / 2010- 2013
Ankara Numune Training and Research Hospital / Clinic of Endocrinology and Metabolism Diseases / Specialist / 2013 - 2014
Kocaeli Darıca Farabi State Hospital / Clinic of Endocrinology and Metabolism Diseases / Specialist / 55th Term State Service Obligation / 2014 - 2015
Health Sciences University Derince Training and Research Hospital / Clinic of Endocrinology and Metabolism Diseases / Specialist / 2015- 2016
Health Sciences University Derince Training and Research Hospital / Clinic of Endocrinology and Metabolism Diseases / Associate Professor / 2016-2017
Health Sciences University Derince Training and Research Hospital / Clinic of Endocrinology and Metabolism Diseases / Associate Professor
Diyarbakır Private Practice / Associate Professor / 2020-2022
Liv Hospital Vadistanbul 2022-
Memberships
Turkish Endocrine and Metabolism Society
European Society of Endocrinology
Medical Interests
Obesity
Insulin resistance
Diabetes
Hypoglycemia (low sugar)
Growth retardation and short stature
Anorexia
growth hormone deficiency
Puberty problems (early puberty, delayed puberty, excessive hair growth, menstrual irregularity, polycystic ovary syndrome)
Turner syndrome
Thyroid diseases (Goiter, hypothyroidism, hyperthyroidism, Hashimoto’s disease, thyroid nodule)
Sexual development disorders (small penis, undescended testis, gender ambiguity, hypospadias)
Adrenal gland diseases (Congenital adrenal hyperplasia, Addison’s disease, Cushing’s syndrome)
Bone and calcium metabolism diseases (rickets, vitamin D deficiency, osteoporosis)
Education
Bachelor’s - Master’s: Ankara University Faculty of Medicine (1998-2004)
Ph.D. - Specialization in Medicine: Child Health and Diseases, Dr. Sami Ulus Gynecology and Childhood Health and Diseases Training and Research Hospital (2005-2010)
Ph.D. - Minor specialization: Pediatric Endocrinology, Dokuz Eylul University Faculty of Medicine (2010-2013)
Experience
Child Health and Diseases Specialist Diyarbakır Children’s Hospital 2010
Pediatric Endocrine Minor Assistant Dokuz Eylül University Medical Faculty Hospital 2010-2014
Pediatric Endocrinology Specialist İzmir Tepecik Training and Research Hospital 2014-2015
Assistant Professor Izmir Katip Celebi University Faculty of Medicine 2015-2016
Associate Professor Izmir Katip Celebi University Faculty of Medicine 2016-2021
Pediatric Endocrinology Associate Professor Ulus Liv Hospital 2021- Present
Pediatric Endocrinology Associate Professor Vadistanbul Liv Hospital 2021- Present
Memberships
Aegean Child Endocrine and Diabetes Association, Member, 2010
Pediatric Endocrinology and Diabetes Association, Member, 2010
Growing Child Association, Member, 2014
European Society of Pediatric Endocrinology (ESPE), Member, 2016
Specializations
Diabetes (Sugar)
Thyroid
Hypertension
cholesterol
stomach diseases
intestinal diseases
osteoporosis
Experience
Azerbaijan Gusar Central Hospital
Vreden Russian Research Institute of Traumatology and Orthopedics
Azerbaijan Göranboy, First Lieutenant Doctor
Hospital Park Darıca Hospital
BAH
Education
Azerbaijan Medical Faculty (2015)
Kocaeli Derince Training and Research Hospital (2016-2020)
Vocational Trainings, Courses and Conferences Attended
Internal Medicine Congress
Gastro Academy
Education:
Roles in Projects:
Sub investigator (Assistant Researcher) in the SOUL Study: Cardiovascular Outcome Research of Semaglutide in Type 2 Diabetic Patients, approved by the Turkish Medicines and Medical Devices Agency on May 22, 2019.
Sub investigator (Assistant Researcher) in the international study “SCALE™ Insulin”: Efficacy and Safety of Liraglutide 3.0 mg in Overweight or Obese Patients with Type 2 Diabetes Treated with Basal Insulin (Study Code: NN8022-4272), conducted by Novo Nordisk A.Ş.
Subinvestigator (Assistant Researcher) in the international study NN5401-4266 StepByStep Intensification conducted by Novo Nordisk.
Assistant Researcher in the study "A Research Study to Compare Semaglutide to Insulin Aspart, When Taken Together With Metformin and Insulin Glargine, in People With Type 2 Diabetes (SUSTAIN 11)" (2019-2020).
Assistant Researcher in the PIONEER 1 study: Randomized Clinical Trial of the Efficacy and Safety of Oral Semaglutide Monotherapy in Comparison With Placebo in Patients With Type 2 Diabetes.
Endocrinologist
Thyroid diseases
Thyroid diseases
Diabetes mellitus (type 1, type 2, gestational diabetes)
Diabetes without sugar
Adrenal diseases
Diseases of the pituitary gland
Hyperprolactinemia
Endocrine obesity (in collaboration with a nutritionist)
Polycystic ovary syndrome (in collaboration with a gynecologist)
Calcium metabolism disorder
Osteoporosis
Metabolic syndrome
SPECIALIZATION:
Endocrinologist
EDUCATION:
Azerbaijan Medical University
COURSES:
Participant of many conferences and seminars held in Turkey with the participation of German doctors in Azerbaijan.
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Specializations
Cancer Surgery
Pancreatic Surgery
Bile Duct Surgery
Bariatric Metabolic Surgery
Oncological Surgery
Breast Surgery
Gastric cancer
Colon cancer
Thyroid Cancer
Obesity Surgery
Diabetes Surgeries
Education
Ondokuz Mayıs University Faculty of Medicine (1991)
KTÜ Faculty of Medicine Farabi Hospital (Specialization.1998)
Istanbul University Çapa Faculty of Medicine (Laparoscopic Surgery Training, 2002)
Istanbul University Çapa Faculty of Medicine (Laparoscopic Antireflux Surgery Training, 2006)
Istanbul University Cerrahpaşa Faculty of Medicine (General Surgery Clinic Advance Laparoscopic Surgery, Laparoscopic Bariatric Surgery, Morbid Obesity and Oncological Cancer Surgery Training, 2010i)
Specializations
Cancer Surgery
Pancreatic Surgery
Bile Duct Surgery
Bariatric Metabolic Surgery
Oncological Surgery
Breast Surgery
Gastric cancer
Colon cancer
Thyroid Cancer
Obesity Surgery
Diabetes Surgeries
After the internal medicine examination, he also practiced in the United Kingdom, mainly treating patients with diabetes and endocrinological problems.
Diploma:
Professional exam:
Employment and experience
2023-Present
Military University Hospital Prague
Medical First Aid Service
Physician
2021-Present
Hygeia s.r.o.
Medical practice of MUDr. Zita Čermáková
General practitioner
2018-2023
Poliklinika IPP, s.r.o. (formerly The Clinic Medical s.r.o.)
General practitioner in a facility providing premium medical care
2013-2018
University Hospital Královské Vinohrady, Department of Occupational and Travel Medicine
General practitioner, occupational outpatient care, treatment of occupational diseases, and travel medicine
First Department of Internal Medicine
Physician in the patient processing centre of departments of internal medicine and medical emergency service
2016-2018
Charles University in Prague, Third Faculty of Medicine
Teaching assistant, teaching courses under bachelor's and master's programs in Czech and English
2013-2016
Bulovka Hospital, Department of Forensic Medicine
Physician, emergency medical service for the Police of the Czech Republic
Education
2007-2013
Charles University in Prague, Third Faculty of Medicine
Ludwig-Maximilians-Universität München, Germany (Erasmus programme)
General Medicine
Academic title: "MUDr." ("doctor of medicine")
2013-
Both fields attracted me already at the high school. My enthusiasm also lasted during my studies at the 1st Faculty of Medicine at the Charles University. After graduating from the university, I joined the Institute of Endocrinology in Prague. At the same time I trained at the Third Internal Clinic of the General University Hospital in Prague. Both institutions are highly specialized centres with a wide range of diagnoses. I had the best teachers. I very much appreciate the two foreign experiences, the internship at the University Clinic in Düsseldorf and at the St. Barts Clinic in London. In 2013, I defended my Ph.D. and after a short maternity break, I successfully passed the attestation in 2015.
Work is also my hobby. I follow the latest trends and participate in both domestic and foreign congresses and seminars.
I assess clients individually, I rely on a calm and friendly approach, a thorough case history, the search for connections and a comprehensive view.
In endocrinology, I monitor the state of hormones (chemical messengers) that are produced by the endocrine glands and circulate in the blood to regulate a large number of bodily functions. The disease comes when the production of a particular hormone is too high or too low. Furthermore, the field of endocrinology includes the care of reduced bone density - osteopenia or osteoporosis.
When caring for diabetic patients, the most important thing for a diabetic is to understand what is going on in his/her body and what results a good lifestyle and treatment might bring. I am open to discussions about various dietary measures, I try to motivate positively and to find the right solution for everyone individually, so that we can reach the target glycemic range.
Education
2003 – 2009
Charles University, 1st Faculty of Medicine, General Medicine
2009 – 2013
Postgraduate study of the 1st Faculty of Medicine at the Charles University at the Institute of Endocrinology
Topic: Neurosteroids in Endocrine Regulation
Supervisor: prof. Karel Vondra, MD, DrSc.
Trainer-consultant: Michaela Dušková, MD, PhD.
2015
Attestation in the field of Diabetology and Endocrinology
Head of Teaching at the Puerto Vallarta Regional Hospital
2020-2023
Medical records manager at the Regional Hospital of Puerto Vallarta 2 months 2020
General practitioner in private medical office
2015-2022
Doctor in charge of weight control clinic
2013-2014
Medical assistant in dermatology clinic
2008-2013
Medical Assistant in Dermatological procedures.
Medical Assistant in minimally invasive surgical procedures
Operation of fractional laser machine - IPIXEL-ER and
facial rejuvenation with IPL.
Experience in laser hair removal with Intense Pulsed Light and
radiofrequency
Experience with ultrasonic cavitation
Experience with ultraviolet (UV) light phototherapy machine for the
treatment of psoriasis and vitiligo.
Experience assisting in Botox and Fillers procedures.
Biomagnet certified by the Higher Institute of Biomagnetism
doctor ISAAC GOIZ DURAN
Experience in clinical records
Training in continuing education and professional development of teachers
Dr. Tülay Omma, Associate Professor
Specialization: Endocrinology and Metabolic Diseases
Academic Background
Professional Experience
Scientific Contributions & Publications
Awards & Recognitions
Professional Memberships & Certifications
Clinical & Research Focus
Dr. Omma’s expertise spans:
Born in 1982 in Istanbul, Dr. Fatih Can Karaca completed his high school education at Bahçelievler Super High School in 2000 and then entered Cerrahpaşa Medical Faculty, graduating in 2006. During his medical training, he was a key player on the faculty's basketball team, winning the 14 March Medical Tournament twice.
In 2007, he began his residency in General Surgery at Istanbul University, developing a keen interest in laparoscopic surgery. He contributed to Turkey's first laparoscopic metabolic surgery for Type 2 diabetes at the Special Metabolic Surgery Clinic in 2009. He continued his education in metabolic surgery at Universal Hospitals’ Taksim German Hospital in 2011 and completed his residency in General Surgery in 2012.
From 2012 to 2014, Dr. Karaca worked as a General Surgery Specialist at Kanuni Sultan Suleyman Training and Research Hospital, followed by a role at a Metabolic Surgery Clinic in Şişli from 2014 to 2017. He gained extensive experience in obesity surgery and the surgical treatment of diabetes during this period. In 2015, he became a lecturer at Istanbul Bilgi University, sharing his knowledge and experiences with younger colleagues, and he was promoted to Assistant Professor in 2016 and Associate Professor in 2021.
Dr. Karaca has held various positions as a General Surgery Specialist in different hospitals, where he established obesity clinics and performed numerous successful surgeries. He is an active member of several professional organizations, including the International Federation for the Surgery of Obesity (IFSO) and the Turkish Obesity Surgery Association (TOSS).
An avid sports enthusiast, particularly in basketball and soccer, Dr. Karaca encourages his patients to incorporate sports into their lives. He also enjoys chess and nature walks. He is proficient in English, married, and a father of two.
Dr. Karaca has participated in numerous national and international conferences on obesity surgery, where he has presented his findings and experiences. He has published numerous scientific articles in prestigious international journals in the field of obesity surgery.
Expertise
INTERNAL MEDICINE / ENDOCRINOLOGIST AND METABOLISM
Graduation (M.D. From)
Bachelor of Medicine, Faculty of Medicine, Chulalongkorn University (Second Class Honor)
Certificates
Diploma in Internal Medicine, Faculty of Medicine, Chulalongkorn University
Diploma in Endocrinology and Metabolism, Rajavithi Hospital, Department of Medical Services .
Current Positions
INTERNAL MEDICINE / ENDOCRINOLOGIST AND METABOLISM AT INTRARAT HOSPITAL
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:
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:
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.