Best CT (computer tomography) doctors: TOP 533 doctors

Dr. Omer Necip Aytug is a respected gastroenterologist. He graduated from Hacettepe University School of Medicine in 1980. He became an internist at Cukurova University in 1985. He completed his gastroenterology fellowship at Marmara University in 1997.

He was named Associate Professor at Firat University in 1989. In 1998, he became a Professor at Abant Izzet Baysal University. Dr. Aytug has written many scientific papers and book chapters. He has also attended several national and international congresses.

He has held important academic and clinical roles at Duzce University Faculty of Medicine, Camlica Medicana Hospital, and Memorial Service Hospital. These positions have established him as an expert in gastroenterology.

I am a specialist in neurosurgery, a graduate of the Faculty of Medicine at the Medical University, a certified instructor of endoscopic spine surgery. I specialize in surgical treatment of brain and spine diseases, as well as in interventional pain treatment. I completed my specialization training in neurosurgery at the Department of Neurosurgery of the Medical University of Warsaw and at the Department of Neurosurgery of the CMKP in Warsaw. I have performed over 2500 surgeries on my own. I speak Polish, German, Russian and English.

I have special experience in the surgery of brain tumors - gliomas and tumors of the base of the skull. I also treat cervical, thoracic and lumbar discopathies with the use of classical (open) approach and with the use of endoscopic spinal surgery. I also deal with instrumental stabilization of the spine, insertion of artificial discs, apical-occipital decompression in Chiari syndrome, as well as microvascular decompression in vascular and nervous conflicts (trigeminal neuralgia, hemifacial spasm), My scope of interests also includes cranial base surgeries - interdisciplinary endoscopic surgeries with laryngological syndrome, hemangiomas and aneurysms of the brain (ruptured and unruptured, classic and endovascular surgeries - experience unique among neurosurgeons), spinal hemangiomas, endoscopic treatment of hydrocephalus and spinal cysts. In addition, I deal with interventional pain treatment by performing blockades of the spine, intervertebral joints, ganglia, peripheral nerves under X-ray or ultrasound control, thermolesion as well as implantation of spinal stimulators

Prof. Dr. Sezer Sağlam is a medical oncologist at Gayrettepe Florence Nightingale Hospital. He specializes in gastrointestinal and breast cancers. He has contributed to cancer care through research, especially with his study on the best timing for surgery after neoadjuvant therapy in rectal cancer. This work has influenced global treatment protocols.

Dr. Sağlam has led clinical trials in targeted therapies and precision medicine. His research on liver-transplanted patients with hepatocellular carcinoma was nominated for the 2024 International Best Researcher Award. He is a member of ASCO, ESMO, and ENET. Dr. Sağlam provides personalized and evidence-based oncology care.

Dr. Krzesimir Sieczych is a specialist in orthopedics and musculoskeletal trauma. He focuses on treating overload injuries. He graduated from the Medical University of Warsaw. Since 2007, he has worked at the Carolina Medical Center.

Dr. Sieczych became a certified specialist in 2019. He has a strong background in surgery but prefers minimally invasive treatments. He uses advanced therapies such as hyaluronic acid, platelet-rich plasma, and Orthokine injections. His goal is to reduce the need for surgery and help patients recover faster.

Present
Istanbul Florence Nightingale Hospital
Medical Oncology

2022-2024
Memorial Şişli Hospital
Medical Oncology Specialist

2021-2022
Institut Jules Bordet
Clinical Research Fellowship

2020-2022
Marmara University Pendik Training and Research Hospital
Medical Oncology Specialist

2019-2019
Institut Jules Bordet
Clinical Research Fellowship

2016-2019
Marmara University Faculty of Medicine, Department of Medical Oncology
Medical Oncology Fellowship

2014-2016
Golbasi Public Hospital
Internal Medicine Specialist

2013-2014
MD Anderson Cancer Center
Observership

2013
Bellvitge Hospital, Barcelona, Spain
Observership

2009 -2014
Hacettepe University Faculty of Medicine
Internal Medicine Residency

Education:

Medical Faculty, Trakya University,  

Edirne, Turkey (1994-2000)

Professional Experience:

General Practitioner and Emergency Physician

Bartın (2000-2004)

Specialization:  

Department of Neurosurgery, S.B. Göztepe Training and Research Hospital,  

Istanbul (2004-2010)

Participation in the Accreditation Process by the European Association of Neurosurgical Societies (EANS) during  

Specialization (2004-2010)

Completion of Compulsory Service as Specialist Physician

Tokat State Hospital, Tokat (2010-2012)

Assistant Professor, Department of Neurosurgery

Gaziosmanpaşa University, Tokat (2012-2014)

Contribution to the Establishment of the Department of Neurosurgery at Medipol University  

(2012-2014)

Lecturer

Medipol University, Istanbul (2012-2014)

Specialist Physician

Memorial Istanbul Hospitals, Istanbul (2014-2018)

Lecturer, Faculty of Health Sciences

Eurasia University, Istanbul (2014-2021)

Associate Professor in the field of Neurosurgery (2021- )

Specialist Physician

Acıbadem Maslak Hospital, Istanbul (2018-2021)

Specialist Physician

Liv Hospital Ulus, Istanbul (2021-2023)

2023 –

Istanbul Florence Nightingale Hospital, Istanbul

Skills and Achievements:

Obtained Associate Professorship in the field of Neurosurgery (2021)

Experience in Academic Teaching and Management (2012-2021)

Proficiency in Turkish (Native) and English (Advanced)

One of the best cancer specialists in Europe, educator, and cancer researcher, President of the Central European Cooperative Oncology Group (CECOG).
Has published over 600 scientific papers on cancer treatment.

Education and Experience

2019 – Present
Istanbul Florence Nightingale Hospital
Cardiology Department

2019
Germany Lübeck Hospital Arrhythmia Clinic
Electrophysiology Training

2018
Trakya University Faculty of Medicine
Associate Professor, Department of Cardiology

2017
TC. Ministry of Health Türkiye Higher Specialization Training and Research Hospital, Ankara
Electrophysiology Training

2015
Trakya University Faculty of Medicine, Department of Cardiology
Assistant Professor

2013
Cleveland Clinic, United States
Observant Doctor

2013
TC. Ministry of Health Türkiye Higher Specialization Training and Research Hospital, Ankara
Specialization

2008
Selçuk University Meram Faculty of Medicine
Medical Education

Memberships

Turkish Cardiology Association, Member

European Society of Cardiology

European Arrhythmia Association (EHRA)

Professor of oncosurgery and proctology

Assoc. Prof.  Nesrin Helvacı Yılmaz graduated from Hacettepe University in 2000 as a Medical Doctor.  She completed her specialty training in the Department of Neurology at Ankara University in 2006.

She started her compulsory service in Mardin Nusaybin State Hospital in 2007.  Nesrin Helvacı Yılmaz continued her duty in Gaziantep 27 December State Hospital in 2008.  She worked as a neurologist at Biophysis Nilüfer Medical Center and Ali Osman Sönmez Oncology Hospital in Bursa between 2010-2011, and at Istanbul Universal Aksaray Hospital between 2011-2012. From October 2012, she started to work as a Doctor Lecturer in Istanbul Medipol University Neurology Department.  Nesrin Helvacı Yılmaz received the title of associate professor in 2021.  In 2015, she worked as an Honorary Observer in Parkinson's Disease and Deep Brain Stimulation (Neuromodulation) at UCL Queen Square Institute of Neurology, National Hospital for Neurology in London.  She took part in many training programs on Deep Brain Stimulation (Neuromodulation) in Turkey and abroad between 2013-2022.

Regarding her speciality in Parkinson's disease and movement disorders, she has 5 Tubitak projects, a 2-chapter book , 30 clinical researches and 80 reports presented in domestic and abroad. Assoc. Prof. Nesrin Helvacı Yılmaz, who is still working within the staff of Medipol University, managed the Parkinson's and Movement Disorders Unit of the Department of Neurology during her working time and plans Deep Brain Stimulation therapy applications with the neurosurgical team.

Since September 2018, she has been working as a coordinator for student education in the 5th semester of Neurology. As of December 2022, she has developed treatment plans for patients at Medipol University Istanbul Parkinson's Disease and Movement Disorders Center (PARMER) and provides the most appropriate personal medical follow-up and treatment support for each patient.

PUBLICATIONS

1-Yilmaz N, Yigit A, Akbostanci MC. Clozapine induced epilepsy. Revue Neurologique 2004, Nov;160/11:1093.

2-Nesrin Helvacı Yılmaz, Nursel Aydın. Sıcak Su Epilepsili Bir Olgu. Türkiye Klinikleri Nöroloji Dergisi 2004/Cilt2/Sayı 2.

3-Nesrin Helvacı Yılmaz, Nursel Aydın. Refleks Epilepsiler. Türkiye Klinikleri Nöroloji Dergisi 2004/Cilt2/Sayı 2.

4-Mine Hayriye Sorgun, Bilge Koçer, Funda Kaplan, Nesrin Yılmaz, Nezih Yücemen, Canan Yücesan. Multipl Sklerozda Kraniyal Nöropati. Turk Norol Derg 2011;17:137-142.

5-Nesrin Helvacı Yılmaz, Gökçen Duymaz, Mehmet Akif Yaşar. Parkinson Hastalığı Olan Bir Olguda Malign Sendrom. Turk Norol Derg 2012:18;123-125.

6-Yilmaz NH, Akbostanci MC, Oto A, Aykac O. Prevalence of restless legs syndrome in Ankara, Turkey: an analysis of diagnostic criteria and awareness. Acta Neurol Belg 2012 Oct 31. [Epub ahead of print].

7-Yılmaz NH, Bingol AP. Sensitivity and specificity of Ankara University Cerebral Dominance Inventory in comparison with the Wada test. Acta Neurol Belg 2013 Jun 6 [Epub ahead of print].

8-Sema Demirci, Nesrin Helvacı Yılmaz, Efsun Şenocak, Fatih Han Bölükbaşı. Pons Kavernomu: Kranial Manyetik Rezonans Görüntüleme Bulguları. Turk Norol Derg 2012:19:72.

9-Nesrin Helvacı Yılmaz, Sinem Atik Güngör, Taflan Sahlepçi. Küçük hücreli akciğer kanseri tedavisinde cisplatin kullanımı sırasında gelişen akut iskemik inme: olgu sunumu. J Kartal TR. Baskıdaki Makaleler: KEAH-26937.

POSTERLER:

-Serebral venöz tromboz ve bruselloz Birlikteliği; Olgu Sunumu (42. Ulusal Nöroloji Kongresi-Antalya 2006)

-Waldenström makroglobulinemisine eşlik eden epileptik nöbetler ve nonkonvülsif status epileptikus (42. Ulusal Nöroloji Kongresi-Antalya 2006)

-Prevalence of Restless Legs Syndrome in Ankara, Turkey (16. Uluslararası Parkinson ve Hareket Bozuklukları Kongresi-Dublin 2012).

-Konjenital Miyastenik Sendrom (29. Ulusal Nörofizyoloji EEG-EMG Kongresi- Antalya 2013).

-Beşinci haftada duyusal iletimleri normal olan bir enjeksiyon nöropatisi olgusu (29. Ulusal Nörofizyoloji EEG-EMG Kongresi- Antalya 2013).

-Olgu sunumu: Mononöritis mültipleks ve lepra (29. Ulusal Nörofizyoloji EEG-EMG Kongresi- Antalya 2013).

-İdyopatik Parkinson Hastalığı’nda hızlanmış unutma ve uyku kalitesi (10. Ulusal Parkinson ve Hareket Bozuklukları Kongresi-Antalya 2013).

-Hiperglisemiye bağlı hemikore ve bazal gangliyon hiperintensitesi: Olgu sunumu (10. Ulusal Parkinson ve Hareket Bozuklukları Kongresi-Antalya 2013).

Dr. Eyup Bakmaz is an experienced orthopedic surgeon in Istanbul. He specializes in sports medicine, knee replacement, and hip arthroscopy. He has over 20 years of clinical experience at Gayrettepe Florence Nightingale Hospital. Dr. Bakmaz performs both minimally invasive and traditional orthopedic procedures.

He is known for his skill in treating orthopedic trauma and sports injuries. He also focuses on advanced rehabilitation. Dr. Bakmaz is a certified specialist from Istanbul University Cerrahpaşa Faculty of Medicine. He is committed to evidence-based and personalized patient care. His patients report high satisfaction and strong surgical results.

Dr. Azmi Hamzaoglu is a leading spine surgeon with 36 years of experience in orthopedics and traumatology. He founded the Istanbul Scoliosis and Spine Center, the first facility in Turkey focused on spine surgery.

Dr. Hamzaoglu has performed thousands of complex surgeries, such as discectomy, kyphoplasty, scoliosis correction, and anterior cervical discectomy and fusion. He is known for developing new surgical techniques and has played a key role in improving spine care in Turkey.

He is a member of the Turkish Medical Association. He has also held important academic and clinical leadership positions, showing his dedication to high standards and patient care in spine surgery.

Dr. Mustafa Yavuz Samanci is an Associate Professor of Neurosurgery at Medipol Acıbadem District Hospital in Istanbul. He has specialized training in stereotactic, functional, and pediatric neurosurgery. Dr. Samanci completed a clinical fellowship in Gamma Knife Radiosurgery. He has also finished advanced programs in spinal cord and peripheral nerve stimulation. He received several TÜBİTAK postdoctoral research fellowships and the Prof. Dr. Hakan Caner Overseas Education Scholarship from the Turkish Neurosurgical Society.

Dr. Samanci is an active member of several national and international neurosurgical societies. These include the Turkish Neurosurgical Society, the International Parkinson and Movement Disorder Society, and the European Society for Stereotactic and Functional Neurosurgery. He has served on editorial boards and scientific committees. His work reflects significant contributions to academic neurosurgery and research.

Education: 

Degree                       Program                                             University                   Year

Bachelor                     Medical Sciences                               İstanbul University     1995

Master Degree           Medical Sciences                               İstanbul University     1997

Doctorate and expertise in medicine

Istanbul Faculty of Medicine, Department of Neurology     İstanbul University     2004

Assistant professor     

İstanbul Bilim University, Faculty of Medicine, Department of Neurology İstanbul Bilim University        2009

Associate professor

İstanbul Bilim University, Faculty of Medicine, Department of Neurology İstanbul Bilim University        2011

Clinical Neurophysiology Subspecialty          

İstanbul Bilim University, Faculty of Medicine, Department of Neurology İstanbul Bilim University        2011

PhD Thesis:

INVESTIGATION OF ANTI-GANGLIOSIDE AND ANTI-GLUTAMIC ACID DECARBOXYLASE ANTIBODIES IN JUDICIAL MYOCLONIC EPILEPSY AND INVESTIGATION OF SUBCLINIC ANTERIOR HORN INVOLVEMENT BY ESTIMATE MOTOR UNIT COUNT METHOD-2002

Experience

Research Assistant 

Department of Neurology, Istanbul Faculty of Medicine, Istanbul University        1998-2004

Specialist

Şişli Florence Nightingale Hospital, Department of Neurology       2004-2009

Assistant Professor

Istanbul Bilim University, Faculty of Medicine, Department of Neurology 2009-2011

Assoc. Prof.     

Şişli Florence Nightingale Hospital Department of Neurology 

İstanbul Florence Nightingale Hospital 

Memberships to Scientific Organizations:

Turkish Medical Association

Turkish Neurology Association

Turkish Association for Combating Epilepsy

Turkish Clinical Neurophysiology EEG-EMG Association

Association of Child Neurology and Neuroimmunology

Awards:

Clinical Neurophysiology Congress (Antalya-2013): First prize for the poster paper titled "Continuous Video-EEG Monitoring Findings and Clinical, Laboratory and Imaging Characteristics of Patients Monitored in the Neurology Intensive Care Unit Due to Alertness Defect"

National Epilepsy Congress (Muğla-2012): "Does Semiology Tell Us the Origin of Seizures Consisting Mainly of Alteration of Consciousness?" Kenan Tükel publishing award for his publication

National Epilepsy Congress (Izmir- 2008): First prize in the field of epilepsy congress publications with the publication titled "Reduced axon number in Juvenile Myoclonic Epilepsy demonstrated by motor unit number estimation analysis"

National Epilepsy Congress (Ankara- 2004): First prize in the field of epilepsy congress publication with the publication titled "No association of anti-gm1 and anti-gad antibodies with juvenile myoclonic epilepsy"

Turkish Clinical Neurophysiology EEG-EMG Association, 19th National Clinical Neurophysiology EEG-EMG Congress (Trabzon-2002): Congress publication award for the publication titled "Epileptic seizures in Behçet's disease".

Turkish Scientific and Technical Research Council scientific publications incentive award-2002: (With the publication titled "Epileptic Seizures In Behçet's Disease")

Turkish Neurology Association, 38th National Neurology Congress - 2002: Second prize for the oral presentation titled "Investigation of subclinical anterior horn involvement in juvenile myoclonic epilepsy with the estimated motor unit number method".

Turkish Epilepsy Association and Sanofi Pharma Scientific Research Project Support Award - 2001: "Investigation of anti-ganglioside antibodies in juvenile myoclonic epilepsies" thesis project.

Education:

2015

Dokuz Eylül University, Medical Faculty, Internal Medicine and Hematology 

2010

Dokuz Eylül University, Medical Faculty, Internal Medicine 

2005

Hacettepe University, Medical Faculty,

Experience:

2024 – 

Istanbul Florence Nightingale Hospital

2017 – 2024

Bağcılar Medipol University Hospital

2017 – 2017

Fırat University

2015 - 2017

Fırat University

2014 - 2015

Mayo Clinic

Publications:

18 Articles Published in International Peer-Reviewed Journals

26 Abstracts and Books Presented at International Scientific Conferences

7 Articles Published in National Peer-Reviewed Journals

51 Abstracts Presented at National Scientific Conferences

General Information and Presentation

He completed his primary education at Şenlikköy Primary School and his secondary education at the Istek Foundation Florya Bilge Kagan High School. He graduated from Istanbul University Cerrahpaşa Faculty of Medicine in 2001. He completed his specialist education in Istanbul Medical Faculty Neurology Department in 2006. In 2006 he worked at the Neurology Clinic and the PharmaZentrum Research Center of the Faculty of Medicine of the University of Basel, Switzerland. Between 2007 and 2011, Bakırköy Prof. Dr. He worked at Mazhar Osman Mental Health and Neurological Diseases Training and Research Hospital in the 3rd Neurology Clinic and in the Dementia and Movement Disorders policlinics. Since October 2011, he has been working at Istanbul University of Science, Faculty of Medicine, Neurology, USA.

Experience

İstanbul Bilim University Faculty of Medicine Neurology, 

Şişli Florence Nightingale Hospital 

Kadıköy Florence Nightingale Hospital Neurology Clinics, 

Gayrettepe Metropolitan Florence Nightingale Hospital PET department.