Istvan Krasznai
- 4.3 Good • 18 reviews
- 22 years of experience
- Hungary, Budapest, Liv Duna Medical Center
Dr. Harald Rosen is a leading abdominal surgeon. He specializes in endocrine, gastrointestinal, liver, colon, and bariatric surgeries. His expertise includes complex procedures such as sleeve gastrectomy and gastric anastomosis. Dr. Rosen is known for his research on improving the quality of life for rectal cancer patients after surgery. He also has a strong academic background in surgical oncology, with a focus on gastroenterology and breast cancer.
Dr. Rosen is President of the European Society of Surgery. He is also a Professor of Surgery at Vienna Medical School. He is accredited by the European Council for Surgical Qualifications and the Austrian Medical Council. Dr. Rosen has performed over 5,000 advanced surgeries with excellent results. He has published widely and is often invited as a visiting professor around the world.
Dr. Alper Eraslan is an experienced Obstetrics and Gynaecology Surgeon. He is also a certified IVF Specialist. Since 2019, he has been practicing at Dunya IVF. Before this, he worked at Koc University Hospital in Istanbul. He received his IVF certification from the American Hospital in Istanbul.
Dr. Eraslan earned his medical degree from Dokuz Eylul University. He completed his residency in Obstetrics and Gynaecology at Marmara University Hospital. He received ESGO fellowships at Klinikum Frankfurt Höchst in Germany and UZ Leuven in Belgium. He also holds a Master’s in Clinical Studies from the University of London and the London School of Hygiene and Tropical Medicine.
OBSTETRICIAN AND GYNECOLOGIST (IN–VITRO FERTILIZATION: IVF)
Graduation (M.D. From)
Bachelor of Medicine, Faculty of Medicine, Chiang Mai University
Certificates
Current Positions
Obstetrician and gynecologist (IN-VITRO FERTILIZATION: IVF) at Intrarat Hospital
Department of Gynecology
Specialties
General gynecology, laparoscopic surgery, robotic surgery, diagnosis and management of menopause/osteoporosis, clinic for unmarried women, menstrual and ovulation disorders, early diagnosis and management of gynecological conditions, foreign patient consultation
Doctor Brenda Pastrana is a mexican surgical Oncologist.
Medical background.
Centro Medico Nacional 20 de Noviembre Issste, Surgical Oncologist in 2020.
Title by Universidad Autónoma de México UNAM.
Surgical Residency Instituto Mexicano del Seguro Social. 2015.
Title by Universidad de Quintana Roo.
Board Certified by Conacem from 2020 to 2025 number 2171
Board Certified by Conacem from 2025 to 2030 number 2171
Member of SMEO. Sociedad Mexicana de Oncología.
University teacher at Universidad Anahuac of Medicine since 2020.
Personal Information
Sex: Male
Born : 1968
Professional Experience
Gayrettepe Florence Nigthingale Hospital
Medical Oncology Department
Besiktas/Istanbul/Turkey (ongoing)
Education:
He became Professor (22/April /2016)
Medical Oncology
Attending Phys.in Gastrointestinal Oncology (January 2005 ,2009)
Istanbul University Oncology Institue,
Department of Medical Oncology
Medical Oncology Fellowship (December 2001-December2004)
Istanbul University, Istanbul Medical Faculty
Hemodialysis Traning (May1996-January1997)
Istanbul University ,bCerrahpasa Medical Faculty
Internal Medicine Residency (November 1991-November 1996)
Istanbul University ,bCerrahpasa Medical Faculty
Ege University Medical Faculty (1985-1991)
Professional Experience
February 1999-November 2001
Metropolitan Florence Nigthingale Hospital
American Cancer Center, Gayrettepe/İstanbul
April1997- October 1998
Bayraktar Dialysis Center
Güngören/ Istanbul
Membership
Turkish Medical Oncology Association
ENET(European Neuroendocrine Tumour Society)
ESMO
ASCO
Dr Omar Abouali is a fertility specialist and minimally invasive surgeon. He completed specialty training in obstetrics and gynaecology at Alexandria University Hospital. He graduated in the top 5% with honours from Alexandria University. He holds a master’s in assisted reproduction from the University of Oxford. He also holds a master’s in reproductive endocrinology from Alexandria University and a diploma in genetic diseases from Harvard University.
He worked as a fertility specialist at Madina Fertility Centre and helped many couples start a family. Dr Omar is pioneering No-Needle IVF, a method in which women undergoing IVF do not need to have the dozens of injections traditionally required.
Dr. Yavuz Aydin is a Professor of Obstetrics and Gynecology. He currently practices at Istanbul Aydın University VM Medical Park Florya Hospital. He earned his medical degree from Hacettepe University. He completed his specialty training in Obstetrics and Gynecology at Istanbul University Cerrahpaşa Faculty of Medicine. He later became an associate professor and then a professor at the same institution.
Dr. Aydin has broad experience in both academic and private hospitals. He has held leadership positions at Biruni University and Private Medicana Hospital. He is an active member of professional organizations such as TJOD, TSRM, ASRM, and ESHRE.
His main areas of expertise include in vitro fertilization (IVF), intrauterine insemination (IUI), laparoscopic and hysteroscopic surgeries, and microsurgical tuboplasty.
2003 | Ankara University Faculty of Medicine – Medical Degree
2009 | Ankara University Faculty of Medicine – Specialization in Gynecology and Obstetrics
2016 | Ankara Etlik Zübeyde Hanım Gynecology Training and Research Hospital – Gynecological Oncology Surgery
2016 | Ankara Etlik Zübeyde Hanım Gynecology Training and Research Hospital – Specialization in Gynecology and Obstetrics
2003 to 2009 | Ankara University Faculty of Medicine – Medical Doctor & Specialization Training
2009 to 2016 | Ankara Etlik Zübeyde Hanım Gynecology Training and Research Hospital – Specialist in Gynecology and Obstetrics
2016 to Present | Gynecological Oncology Surgeon & Specialist in Gynecology and Obstetrics
-Turkish Medical Association – Ankara Medical Chamber
-Turkish Gynecology and Obstetrics Association
-Turkish Gynecological Oncology Association
-Gynecological Endoscopy Association
Clinical Observer | Northern Gynaecological Oncology Centre, Gateshead, UK – 2014
Clinical Observer | Barts Health NHS Trust Cancer Clinical Academic Unit, London, UK – 2014 (Two Months)
1998 - Undergraduate (Medicine): Istanbul University Faculty of Medicine
2004 - Master’s Degree: Istanbul University Faculty of Medicine
2005 - 2011 - PhD (Urology): Taksim Training and Research Hospital
2020 - Associate Professor: Yeni Yüzyıl University
2011 to 2013 - Urology Specialist: Kastamonu Dr. Münif Islamoğlu State Hospital
2013 to 2014 - Urology Specialist: Izmir Private Marine Hospital
2014 to 2014 - Urology Specialist: Istanbul Murat Kölük State Hospital
2014 to 2016 - Urology Specialist: Gaziosmanpaşa Taksim Training and Research Hospital
2016 to 2020 - Faculty Member: Yeni Yüzyıl University Gaziosmanpaşa Hospital
2020 - Associate Professor: Yeni Yüzyıl University Gaziosmanpaşa Hospital
Articles Published in International Refereed Journals: A1
1)NUHOĞLU BARIŞ, BALCI MUSTAFA BAHADIR CAN, AYDIN MEMDUH, HAZAR İSMET, ONUK ÖZKAN, TAŞ TUNCAY, FİKRİ ONUR (2011). The Role of Bipolar Transurethral Vaporization in the Management of Benign Prostatic Hyperplasia. Urologia Internationalis.
2)BALCI MUSTAFA BAHADIR CAN, TAŞ TUNCAY, HAZAR İSMET, AYDIN MEMDUH, ONUK ÖZKAN, ÇAKIROĞLU BASRİ, INTELLECTUAL HONOR, ÖZKAN ARİF, NUHOĞLU BARIŞ (2014). Applicability and Effectiveness of Virtual Reality Simulator Training in Urologic Surgery: A Double-Blind Randomized Study. NOBEL MEDIUS.
3)ONUK ÖZKAN, TAŞ TUNCAY, ŞENTÜRK AB, ORHUN SINANOĞLU, BALCI MUSTAFA BAHADIR CAN, ÇELİK O, NUHOĞLU BARIŞ (2014). Right-Sided Bochdalek Hernia with Intrathoracic Ectopic Kidney in an Advanced-Age Adult: A Case Report. Urologia Internationalis.
4)ONUK ÖZKAN, BALCI MUSTAFA BAHADIR CAN, HAZAR İSMET, TAŞ TUNCAY, ÖZKAN ARİF, NUHOĞLU BARIŞ (2015). Giant Bladder Stone in a Young Woman. Journal of Academic Research in Medicine.
5)DİNÇER MUHAMMET MURAT, ONUK ÖZKAN (2015). Phalloplasty and Penile Prosthesis Implantation for Micropenis. Journal of Academic Research in Medicine
6)ONUK ÖZKAN, ARSLAN BURAK, HAZAR İSMET, ÖZKAN ARİF, ÇİLESİZ NUSRET CAN, NUHOĞLU BARIŞ (2016). Clinical Course of a Case with Sarcomatoid Renal Cell Carcinoma. International Journal of Medical and Pharmaceutical Research.
7)BALCI MUSTAFA BAHADIR CAN, ONUK ÖZKAN, HAZAR İSMET, ÖZKAN ARİF, ÇİLESİZ NUSRET CAN, ARSLAN BURAK, NUHOĞLU BARIŞ (2016). Incidental Prostate Cancer Frequency and Features of Patients Undergoing Radical Cystoprostatectomy. Journal of Academic Research in Medicine.
8)HİRİK ERKAN, BOZKURT ALİSEYDİ, KARABAKAN MEHMET, ONUK ÖZKAN, BALCI MUSTAFA BAHADIR CAN, AYDIN MEMDUH, ÇAKAN MURAT, NUHOĞLU BARIŞ (2016). Results of Tadalafil Treatment in Patients Following an Open Nerve-Sparing Radical Prostatectomy. Archivio Italiano di Urologia e Andrologia.
9)ARSLAN BURAK, AKBULUT MEHMET, ONUK ÖZKAN, HAZAR İSMET, ÖZKAN ARİF, GEZMİŞ CEM TUĞRUL, ÇETİN BUĞRA, AYDIN MEMDUH (2016). Risk Factors Affecting the Outcomes of Docetaxel-Prednisone Combination in the Treatment of Metastatic Castration-Resistant Prostate Cancer. British Journal of Medicine and Medical Research.
10)ONUK ÖZKAN, ARSLAN BURAK, YANARAL FATİH, HAZAR İSMET, ÖZKAN ARİF, GEZMİŞ TUĞRUL, NUHOĞLU BARIŞ (2016). Management of Gunshot Injury of Glans Penis that Extends to Anterior Urethra: A Rare Case Report. Haseki Medical Bulletin.
11)ARSLAN BURAK, AKBULUT MEHMET FATİH, ONUK ÖZKAN, KÜÇÜKTOPCU ONUR, ÇİLESİZ NUSRET CAN, ÖZKAN ARİF, YAZICI GÖKHAN (2017). A Comparison of Amplatz Dilators and Metal Dilators for Tract Dilatation in Mini-Minute Nephrolithotomy. International Urology and Nephrology.
12)ARSLAN BURAK, ONUK ÖZKAN, EROĞLU ALİ, GEZMİŞ TUĞRUL, AYDIN MEMDUH (2017). Female Sexual Function Follows a Novel Transobturator Sling Procedure without Paraurethral Dissection (Modified-TOT). International Braz J Urol.
13)ARSLAN BURAK, ONUK ÖZKAN, HAZAR İSMET, AYDIN MUAMMER, ÇİLESİZ NUSRET CAN, EROĞLU ALİ, NUHOĞLU BARIŞ (2017). Prognostic Value of Endocan in Prostate Cancer: Clinicopathologic Association Between Serum Endocan Levels and Biochemical Recurrence after Radical Prostatectomy. Tumori Journal.
14)ONUK ÖZKAN, ÇİSELİS NUSRET CAN, HAZAR İSMET, GÖZMÜŞ TUĞRUL, ÖZCANLI YUSUF TURUSHAN, DİNÇER MUHAMMET MURAT, NUHOĞLU BARIŞ (2016). Treatment of Giant Ureteral Fibroepithelial Polyp: A Case Report Using an Endoscopic Approach. Journal of Academic Research in Medicine.
15)YANARAL FATİH, BALCI MUSTAFA BAHADIR CAN, OZGÖR FARUK, ŞİMŞEK ABDULMUTALİP, ONUK ÖZKAN, AYDIN MUAMMER, NUHOĞLU BARIŞ (2017). Comparison of Conventional Dressings and Vacuum-Assisted Closure in the Wound Therapy of Fournier's Gangrene. Archivio Italiano di Urologia e Andrologia.
16)ONUK ÖZKAN (2018). A Minimally Invasive Modified Technique for Female Stress Urinary Incontinence: Transobturator Tape without Paraurethral Dissection. Videosurgery and Other Miniinvasive Techniques.
17)HAZAR İSMET, ONUK ÖZKAN, ÖZKAN ARİF, KIR GÜLAY, ÇİLESİZ NUSRET CAN, BALCI MUSTAFA BAHADIR CAN, NUHOĞLU BARIŞ (2018). Treatment of Primary Vesicovaginal Fistula Repair with Bladder Mucosal Flap: A Report of Initial Case Series. Journal of Academic Research in Medicine.
18)ONUK ÖZKAN, ARSLAN BURAK, GEZMİŞ TUĞRUL, ÇETİN BUĞRA, GÖV TAHA, YAZICI GÖKHAN, GÜRKAN OKAN, ÖZDEMİR ENVER (2018). Is the Plasma Endocan Level a Reliable Predictor for the Severity of Erectile Dysfunction?. International Urology and Nephrology.
19)ÖZKAN ARİF, ÇİLESİZ NUSRET CAN, KALKANLI ARİF, GÜNSEVEN KADIR ÖMÜR, ONUK ÖZKAN, HAZAR İSMET, BALCI MUSTAFA BAHADIR CAN (2018). Comparison of Local Anesthetic Efficacy of Lidocaine Gel and Lidocaine Gel-Intramuscular Diclofenac Combination in Patients Undergoing Flexible Cystoscopy. Journal of Academic Research in Medicine.
20)ARSLAN BURAK, GÖNÜLTAŞ SERKAN, GÖKMEN ERSİN, ÖZMAN OKTAY, ONUK ÖZKAN, YAZICI GÖKHAN, GÖV TAHA, ÖZDEMİR ENVER (2019). Does YouTube Include High-Quality Resources for Training on Laparoscopic and Robotic Radical Prostatectomy?. World Journal of Urology.
21)ONUK ÖZKAN, NUHOĞLU BARIŞ, ÖZKAN ARİF, TAŞ TUNCAY, ÇİLESİZ NUSRET CAN, HAZAR İSMET, BALCI MUSTAFA BAHADIR CAN (2019). Comparison of Caveolin-1 and PSA in Prostate Adenocarcinoma. Journal of Academic Research in Medicine.
22)ONUK ÖZKAN, ÖZKAN ARİF, ÇİLESİZ NUSRET CAN, KALKANLI ARİF (2019). Vacuum-Assisted Treatment in Fournier Gangrene. Journal of Academic Research in Medicine.
23)LOVMIS M, ONUK ÖZKAN, AKTAŞ S, ALKARA U, MERCİLESS O, LOVMIS S (2020). Two Renal Transplants From Living Donors With Horseshoe Kidneys. Urology.
24)ALİ EROĞLU, MUAMMER AYDIN, ÖZKAN ONUK, NUSRET CAN ÇİLESİZ, BARIŞ NUHOĞLU (2020). Investigation of Sexual Dysfunction in Premenopausal Women with Urinary Incontinence. Journal of Academic Research in Medicine.
25)TUNCAY TAŞ, BASRİ ÇAKIROĞLU, ERSAN ARDA, ÖZKAN ONUK, BARIŞ NUHOĞLU (2021). Early Clinical Results of the Tolerability, Safety, and Efficacy of Autologous Platelet-Rich Plasma Administration in Erectile Dysfunction. Sexual Medicine,.
26)ÖZKAN ONUK, NUSRET CAN ÇİLESİZ, ARİF ÖZKAN, ELBRUS ZARBALİYEV, NURTEN DAYIOĞLU, BARIŞ NUHOĞLU (2020). Urological Injuries in the Civil War of Libya.
Publications and articals goes on.
OBSTETRICIAN AND GYNECOLOGIST
OB-GYN include conducting examinations and tests, diagnosing and treating reproductive disorders, providing prenatal care, assisting in childbirth, performing surgeries, educating patients about reproductive health, and staying updated with medical practices.
Graduation (M.D. From)
Bachelor of Medicine, Faculty of Medicine, Siriraj Hospital, Mahidol University
Certificates
Diploma in Obstetrics and Gynecology, Faculty of Medicine, Siriraj Hospital, Mahidol University
Current Positions
Obstetrician and gynecologist at Intrarat Hospital
OBSTETRICIAN AND GYNECOLOGIST
Graduation (M.D. From)
Bachelor of Medicine, Faculty of Medicine, Chulalongkorn University
A branch of medicine that specializes in the care of women during pregnancy and childbirth and in the diagnosis and treatment of diseases of the female reproductive organs. It also specializes in other women’s health issues, such as menopause, hormone problems, contraception (birth control), and infertility. Also called ob/gyn
Certificates
Diploma in Obstetrics and Gynecology, Faculty of Medicine, Ramathibodi Hospital
Current Positions
Obstetrician and gynecologist at Intrarat Hospital
OBSTETRICIAN AND GYNECOLOGIST
Graduation (M.D. From)
Bachelor of Medicine, Faculty of Medicine, Ramathibodi Hospital, Mahidol University
Certificates
Diploma in Obstetrics and Gynecology, Faculty of Medicine, Ramathibodi Hospital, Mahidol University
Current Positions
Obstetrician and gynecologist at Intrarat Hospital