Página 19 - Los mejores médicos en el mundo

Dr. Ali Karahan, born in 1970 in Kahramanmaraş, graduated from Trakya University

Faculty of Medicine in 1993. He began his career as an emergency doctor and

completed his specialization in Anesthesiology and Reanimation at Okmeydanı

Training and Research Hospital in 2004. Following this, he served as an

anesthesiologist in various public and private hospitals.

Since 2009, Dr. Karahan has specialized in hair transplantation in Istanbul, managing

hair transplant clinics at prestigious hospitals such as Memorial and Kadıköy Şifa. His

expertise in hair transplantation has led him to participate in numerous national and

international conferences. Since 2019, he has continued to provide services in his own

clinic, known for his skill in achieving natural and successful results.

With over 25 years of experience and a strong dedication to his profession, Dr.

Karahan is recognized as one of the leading figures in the field of hair transplantation

in Turkey.

The doctor is a distinguished Gastroenterologist with a specialization from Kocaeli University and extensive experience in both academic and clinical settings. Having served as an Associate Professor of Gastroenterology since 2014, the doctor has made substantial contributions to the field through numerous scientific publications and presentations.

The doctor focuses on a range of gastrointestinal disorders, including esophageal diseases, gastroduodenal conditions, chronic liver diseases, and pancreatic and biliary disorders. Proficient in advanced treatment methods such as gastric Botox, ERCP, and endoscopic mucosal resection, the doctor is committed to advancing gastroenterological care.

The doctor graduated from Cerrahpaşa School of Medicine, Istanbul University in 1999 and completed a residency in Internal Medicine there in 2005. Further specializing in Endocrinology and Metabolic Diseases, the doctor completed a fellowship at Selçuk University in 2010 and achieved Associate Professorship in 2016.

Recognized for excellence in scientific research, the doctor received awards at the National Diabetes Congress and Selçuk University in 2014. With 42 international and 16 local scientific articles, the work has been cited 230 times. The doctor has contributed to 80 presentations and participated in numerous scientific projects, including those funded by TUBİTAK.

Clinical interests include diabetes, thyroid diseases, and hormone disorders.

The doctor graduated from Cerrahpaşa School of Medicine, Istanbul University, with medical education in English. She completed her residency in the General Surgery Department at Marmara University. Her clinical focus includes the treatment of breast pain, hemorrhoids, anal fissures, pilonidal sinus, and lipomas. She employs advanced techniques such as laser and Longo hemorrhoid surgeries, as well as local laparoscopic day surgery for pilonidal sinus. The doctor has contributed to local and international medical journals and participated in numerous congresses.

Dr. Nabi Gokhan Ferahcan is a specialist in family and preventive medicine. He has over 20 years of clinical experience. Since 2000, he has served as Chief Physician of the Check-up Department. He focuses on personalized health screenings and preventive care based on scientific evidence. Dr. Ferahcan manages a wide range of conditions, including liver steatosis, hypertension, high cholesterol, and anemia. He uses advanced therapies such as vitamin replacement and adult vaccination.

He completed his Family Medicine Residency at Haydarpasa Numune Hospital. He earned his medical degree from Marmara University. Dr. Ferahcan is accredited by the Istanbul Medical Chamber. He is also known for his work in medical literature and public health education.

Dr. Fulya Gokdagli Sigir is an OB/GYN focused on reproductive medicine. She earned her MD from Istanbul University Cerrahpaşa in 2006. She completed her OB/GYN residency at Istanbul Medeniyet University from 2007 to 2013. During her training, she also completed an observership in perinatology at Frankfurt Bürger Hospital.

From 2013 to 2014, she fulfilled compulsory service at Batman Sason State Hospital. She then served as an Assistant Professor at Medipol Mega University Hospital from 2014 to 2017. Her work focused on obstetrics and gynecologic oncology.

She obtained certification in Assisted Reproductive Treatment Practices in 2017 at Memorial Şişli IVF Center. She then worked for about three years as an IVF specialist. At Kolan International Hospital – Şişli IVF Center, she worked from 2021 to 2025. She served as Responsible Physician from 2023 to 2025. She has been an Assistant Professor at Galata University since 2021. Her interests include IVF, IUI, reproductive endocrinology, endometriosis and adenomyosis, and laparoscopic and hysteroscopic surgery.

Aesthetic Dentistry Specialist

Born in Istanbul, Dr. Birkan Duras graduated from Yeditepe University Faculty of Dentistry and pursued his academic career by specializing in Prosthodontics at Istanbul University, focusing on advanced research in dental restoration.

With expertise in Aesthetic Dentistry, he specializes in:

• Smile Design
• Pink Aesthetics (Gum Contouring)
• Implantology

Currently continuing his scientific research at Istanbul University, Dr. Duras is an active member of:

• Aesthetic Dentistry Academy Association (EDAD)
• Turkish Prosthodontics and Implantology Association (TPİD)
• Turkish Dental Association (TDB)

Professor Dr. Engin Cakar is a specialist in Physical Medicine and Rehabilitation, Algology (Pain Medicine), and Electrodiagnostic Neurology. He practices at Memorial Göztepe and Memorial Şişli Hospitals. He previously held posts at Medipol Mega University Hospital and GATA Haydarpaşa Training Hospital.

Titles and training: Professor (2016). Associate Professor (2011). Algology specialty, Ministry of Health Medical Specialization Board–GATA (2011). Electrodiagnostic Neurology, Marmara University (2007–2010).

Publications: 40 international and 17 national peer-reviewed articles. Presentations: 17 international and 12 national. He has also written many book chapters. Memberships: European Society of PRM; Turkish PM&R; Turkish Algology; Turkish Clinical Neurophysiology (EEG–EMG). He chairs the Brain Stimulation and Neurorestoration Working Group.

Further training: Harvard Medical School—Transcranial Magnetic Stimulation and Direct Current Stimulation. He has given many invited lectures and attended many congresses.

The doctor graduated from Istanbul University Faculty of Medicine in 1986 and completed a dermatology residency at Haydarpaşa Numune Hospital in 1990. Specializing in dermatologic surgery, the doctor has a clinical focus on skin cancer, cryotherapy, hyperhidrosis treatment, and allergic skin diseases. The doctor is also skilled in electrocauterization, laser treatments, cosmetic dermatology, dermatoscopy, and skin rejuvenation techniques such as Botox. The doctor has worked at various institutions, including Görele Health Center, Fatih Sultan Mehmet Training and Research Hospital, and Private Istanbul Regional Hospital.

The doctor is a leading plastic surgeon in Turkey with over 20 years of experience, renowned for expertise in tummy tucks and revision rhinoplasty. He founded the Plastic Surgery Department at Zonguldak Karaelmas University, serving as the founding chairman for 12 years. The doctor's professional interests include breast surgery, body contouring, genital aesthetics, chronic wound treatment, skin cancer, and nose jobs.

He is qualified in plastic, aesthetic, and reconstructive surgery, specializing in face, body, and breast aesthetics, as well as non-surgical procedures. The doctor has trained at prestigious institutions, including Gazi University and Cleveland Clinic, and currently works as a specialist at Memorial Şişli Hospital.

Prof. Yeşim (Yesim) Yıldırım — Medical Oncologist at Anadolu Medical Center (since 2011). ESMO-certified specialist, Professor since 2021, author of 80+ scientific publications. Trained at top centers — Rambam (Israel) and Mount Vernon (UK). Treats breast, lung, and gastrointestinal (GI) cancers, as well as melanoma and sarcomas; uses immunotherapy and targeted therapy.

Why patients choose Dr. Yeşim Yıldırım:

• 20+ years of clinical practice; Professor of Medical Oncology since 2021.
• 80+ peer-reviewed publications in tumor biology, immunotherapy, and targeted therapy — treatment plans are based on up-to-date evidence.
• ESMO certification — from Europe’s leading oncology society — confirms high qualification and continuous training to international standards.

Op. Dr. Berna Buse Kobal is an obstetrics and gynecology specialist. She graduated from Acıbadem University School of Medicine in 2017. She completed clinical studies in obstetrics and gynecology at the University of Louisville in the United States. She finished her specialty training at the Health Sciences University Ümraniye Training and Research Hospital.

She performs gynecologic, laparoscopic, urogynecologic, and genital aesthetic procedures. These include V-NOTES (scarless) hysterectomy and cyst removal, hysteroscopic surgery, laparoscopy, tubal ligation, urinary incontinence treatments, HPV care, endometriosis surgery, and bioequivalent hormone therapies.

MEDICAL EXPERINENCE

2016 - Present

MEMORIAL SİSLİ HOSPİTAL

Dentist/Istanbul

2009 - 2016

MEMORIAL SUADIYE MEDICAL CENTER

Dentist/Istanbul

2000 - 2009

PRIVATE CLINIC

Dentist/Istanbul

MEDICAL EDUCATION

1992 - 1997

EGE UNIVERSITY

FACULTY OF DENTISTRY / İzmir, Turkey

PROFESSIONAL ASSOCIATIONS

Prosthetic trainingseminar 1997 

TDB DentistryCongress 2002 / 2003 / 2004/2006 

TDBCenturyCongress inScientific Dentistry 

6thAegeanRegion DentistsChambers International ScientificCongressandExhibition2006 

6thAegeanRegion DentistsChambers International ScientificCongressandExhibitionteethwhitening course2006 

Oral implantology theoreticalandpractical courses April 2004 

Oral implantology theoreticalandpractical courses March2004 

EDAD IstanbulCongress 2006 

DentalCommunicationSeminar 2006 

Ankara DentistsChamberSpringSymposium2007, Cyprus 

Ankara DentistsChamberSpringSymposium2008, Antalya 

MemberofTurkish DentalAssociation MemberofInternationalTeamfor Implantology (ITI) 

MemberofAcademyofEsthetic Dentistry

Academic and Professional Background

• Education:
  • 1990–1996: Hacettepe University Faculty of Medicine (MD).
  • 1996–2000: Residency in ENT at Ankara Training and Research Hospital.
  • 2002: Advanced training at the House Ear Institute, Los Angeles, USA.
• Professional Experience:
  • Various roles including researcher, specialist, and chief at prominent hospitals in Turkey.
  • Since 2011: Professor at Lokman Hekim Health Group, focusing on ENT diseases.

Key Achievements and Research Contributions

• Published Work:
  • Over 30 scientific articles in international journals on ENT topics such as hearing loss, laryngeal cancer, and sinus conditions.
  • Topics include rare diseases, surgical innovations, and radiological evaluations.
  • Co-author of ENT-related books and translated chapters in notable surgical references.
• Conference Presentations:
  • Frequent presenter at national and international scientific meetings.
  • Delivered groundbreaking studies on cochlear implants, paranasal tumors, and hearing aid effects on geriatric tinnitus.
• Awards & Recognition:
  • Recognized for excellence in clinical practice and surgical training models, particularly in stapedectomy.

Clinical and Research Interests

• Diseases of the ear, nose, and throat, with a focus on: 
  • Hearing disorders (sensorineural, conductive, age-related).
  • Rhinological conditions, including sinusitis and mucosal pathologies.
  • Oncological ENT cases, specifically rare cancers of the larynx and paranasal sinuses.

International Training and Professional Development

• Attended multiple specialized courses at the House Ear Institute (USA) focusing on temporal bone surgery and pathology.
• Participation in advanced workshops and conferences such as the American Academy of Otolaryngology–Head and Neck Surgery Foundation (AAO-HNSF).

Publications and Citations

• Authored high-impact studies cited in prominent journals.
• Contributions to understanding ENT disorders through innovative research methods, such as temporal bone dissection and immunohistochemistry.

Prof. Dr. Celil Göçer is a distinguished ENT specialist whose extensive clinical expertise and academic contributions have greatly influenced the field. He is highly regarded for his innovative surgical approaches and dedication to advancing medical knowledge.

2014 - Present, Istanbul/Istanbul/Türkiye

MEMORIAL SISLI HOSPITAL

Radiation Oncology Specialist

2011 - 2014, Istanbul/Istanbul/Türkiye

BEZMIALEM FOUNDATION UNIVERSITY FACULTY OF MEDICINE

Radiation Oncology Specialist

2009 - 2011, Erzurum/Erzurum/Türkiye

ERZURUM REGIONAL TRAINING AND RESEARCH HOSPITAL

Radiation Oncology Specialist

2003 - 2008, Istanbul/Istanbul/Türkiye

MARMARA UNIVERSITY FACULTY OF MEDICINE RADIATION ONCOLOGY DEPARTMENT

Research Assistant

Dr. Suleyman Aliyazicioglu is a plastic, reconstructive, and aesthetic surgery specialist at Memorial Göztepe Hospital (2025–present). He previously worked at Kırklareli Training and Research Hospital (2022–2025).

He earned his MD from the Gazi University Faculty of Medicine (2008–2014). He completed specialty training in plastic, reconstructive, and aesthetic surgery at Pamukkale University (2022). He is a member of the Istanbul Medical Chamber.

His professional development includes an Erasmus exchange at the Medical University of Lublin (2013). He attended the Plastic, Reconstructive and Aesthetic Surgery Residents’ School (2018) and Eurasian Non-Surgical Days (2019). He also took part in the National Congress of Plastic, Reconstructive and Aesthetic Surgery (2022, 2023).

Dr. Sura Celil is a dentist. She graduated from the Faculty of Dentistry at Ankara University in 2010.

Experience: Dentist at OralDent Oral and Dental Health Polyclinic (2010–2012). Dentist at WhiteDent Oral and Dental Health Polyclinic (2010–2012). Dentist at Tacenter Kurtköy Oral and Dental Health Polyclinic (2012–2017).