Assoc. Prof. Dr. Görkem Türkkan is a Radiation Oncology Specialist with 13 years of comprehensive experience integrating clinical practice, academic research, and medical education. He began his medical training in 2003 at Gülhane Military Medical Academy and completed his medical degree in 2009 at Zonguldak Karaelmas (Bülent Ecevit) University Faculty of Medicine. He subsequently pursued specialization in Radiation Oncology at Trakya University Faculty of Medicine, where he became a certified specialist in 2016.

Dr. Türkkan has held several distinguished academic and clinical positions. Between May 2019 and February 2021, he served as Doctor Lecturer and Head of the Radiation Oncology Department at Muğla Sıtkı Koçman University Faculty of Medicine. In 2020, he further advanced his expertise through clinical research at the Maastricht University Medical Center – MAASTRO Clinic in the Netherlands, focusing on stereotactic radiotherapy, thoracic radiation therapy–related lung toxicity, and proton therapy. From March 2021 to April 2023, he continued his academic and clinical contributions at Istinye University Faculty of Medicine and the Radiation Oncology Clinic of Liv Hospital Ulus.

In February 2023, he achieved the academic title of Associate Professor. He is highly proficient in both conventional and advanced radiotherapy modalities, with specialised expertise in stereotactic radiotherapy and MRI-guided radiotherapy (MR-Linac). He has independently performed more than 2,500 MR-Linac treatments, demonstrating significant experience with adaptive and precision-guided radiotherapy technologies.

Dr. Türkkan’s academic contributions include 27 published scientific articles in national and international journals, 31 oral and poster presentations at professional congresses, and authorship of 5 book chapters in recognized publications. He is currently contributing to two active TÜBİTAK-supported research projects, reflecting his ongoing commitment to advancing radiation oncology through scientific inquiry.

Conditions treated by Assoc. Prof. Dr. Görkem Türkkan

MR-Linac

Linac

Stereotactic (Precision) Radiotherapy

Prostate Cancers

Breast Cancers

Lung Cancers

Rectal Cancers

Brain and Spinal Cord Cancers

Head and Neck Cancers

Volumetric Arc Therapy (VMAT)

Intensity-Modulated Radiation Therapy (IMRT)

Area of Interest

Radiation Oncology

Qualification

Undergraduate: Gülhane Military Medical Academy; Zonguldak Karaelmas (Bülent Ecevit) University Faculty of Medicine

Specialization: Trakya University Faculty of Medicine, Department of Radiation Oncology

Associate Professorship: Istinye University Faculty of Medicine, Department of Radiation Oncology

Work Experiences

Dr. Türkkan has served in several respected institutions, including Zonguldak Karaelmas (Bülent Ecevit) University, Trakya University, Edirne Sultan 1. Murat State Hospital, Manisa City Hospital, Muğla Sıtkı Koçman University, and Liv Hospital Ulus – Istinye University. His career includes significant roles in clinical oncology, academic teaching, and international research, with notable scientific engagement at Maastricht University Medical Center (MAASTRO Clinic) in the Netherlands.

Consultation with the doctor can be arranged through Diva Health in coordination with MediGence.

Op. Dr. Selman Doğan is an accomplished Orthopaedics and Traumatology specialist with over 15 years of clinical and surgical experience, recognised for his advanced expertise in the management of musculoskeletal disorders, trauma, and orthopaedic oncology. Born in 1980, he graduated from the prestigious Istanbul University Cerrahpaşa Medical Faculty, a leading institution known for its rigorous medical training and academic excellence.

He completed his residency in Orthopaedics and Traumatology at Istanbul Ümraniye Training and Research Hospital, where he refined his skills in complex surgical techniques and modern orthopaedic interventions. Over the course of his career, Op. Dr. Selman Doğan has performed more than 1,000 lower and upper extremity trauma surgeries, over 100 knee arthroscopies, more than 100 hip prosthesis operations, and over 100 tumour surgeries. His extensive surgical portfolio highlights his precision, experience, and commitment to delivering high-quality orthopaedic care.

His clinical focus includes orthopaedic oncology (tumour surgery), trauma surgery, shoulder arthroscopy, knee and hip arthroplasty, and paediatric deformity correction. He is also highly skilled in sports surgery, performing procedures related to meniscus injuries, anterior cruciate ligament (ACL) reconstruction, and cartilage repair. His patient-centred approach, combined with evidence-based practice, has established him as a trusted specialist in his field.

Conditions Treated by Op. Dr. Selman Doğan

• Lower and upper extremity trauma

• Knee ligament and tendon injuries (sports surgery: meniscus, ACL injuries, cartilage repair)

• Hip and knee arthroplasty

• Childhood clubfoot (pes equinovarus)

• Developmental hip dislocation (GKD)

• PRP (Platelet-Rich Plasma) treatments

• Bone and soft tissue tumours

 

Area of Interest

Orthopaedics and Traumatology

Qualification

• Degree: Istanbul University Cerrahpaşa Medical Faculty

• Specialisation: Istanbul Ümraniye Training and Research Hospital, Orthopaedics and Traumatology Clinic

 

Work Experience

• Istanbul Ümraniye Training and Research Hospital, Orthopaedics and Traumatology Clinic

• Şanlıurfa Mehmet Akif İnan Training and Research Hospital

 

Consultation with the doctor can be arranged through Diva Health in coordination with MediGence.

Dr. Yunus Nas

Assistant Professor Dr. Yunus Nas is a distinguished pediatric physician with more than 29 years of expertise in infectious illnesses and child health. He earned his medical degree from Ankara University Faculty of Medicine in 1991 and completed his first specialisation in Infectious Diseases at 19 Mayıs University Faculty of Medicine in 1996. In 2006, he advanced his professional training with a second specialisation in Child Health and Diseases at Zeynep Kamil Children’s and Women’s Hospital, strengthening his clinical capabilities in comprehensive pediatric care. His professional interests include childhood infections, chronic cough, childhood bronchitis–bronchiolitis, tuberculosis, and allergic diseases. He also has significant experience in neonatal intensive care, emergency pediatrics, infectious disease management, and healthy child follow-up with a strong emphasis on nutrition. He actively participates in national and international conferences and contributes to academic and research initiatives in his field. Area of Interest Childhood infections Chronic cough Childhood bronchitis–bronchiolitis Tuberculosis Allergic diseases Neonatal intensive care Emergency and infectious diseases Healthy child follow-up and nutrition Qualification Undergraduate: 19 Mayıs University Faculty of Medicine (1991) Specialisation: 19 Mayıs University Faculty of Medicine, Infectious Diseases (1996) Specialisation: Zeynep Kamil Children’s and Women’s Hospital, Child Health and Diseases (2006) Work Experiences Assistant Professor in Pediatrics with extensive clinical and academic experience in pediatric infectious diseases, respiratory illnesses, allergic conditions, and comprehensive child healthcare.

Dr. Yalkin Çamurcu

Dr. Yalkin Çamurcu is a highly skilled orthopedic and traumatology specialist known for his successful surgical outcomes and dedication to delivering top-quality patient care. His expertise spans a wide range of orthopedic conditions, and he is recognized for his ability to accurately diagnose complex musculoskeletal problems and provide timely, effective treatment.

He completed his medical education at Gazi University Faculty of Medicine and went on to specialize in orthopedic surgery at Istanbul Baltalimanı Bone Diseases Training and Research Hospital. Dr. Çamurcu further strengthened his clinical experience with advanced orthopedic training at the Hannover Unfallchirurgie Klinik in Germany.

Throughout his career, he has served at several reputable hospitals and orthopedic centers. He currently practices at the Turan & Turan Health Group, Department of Orthopedics and Traumatology in Bursa, Turkey, where he continues to deliver exceptional orthopedic care.

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Conditions Treated by Dr. Yalkin Çamurcu

 

• Fracture Treatment

• Wrist Problems

• Joint and Muscle Problems

• Spine Injury

• Lower Extremity Wound Care

• Hip Resurfacing

• Neuromuscular Disorders

• Percutaneous Vertebroplasty

• Knee Braces for Osteoarthritis

• External Fixator Procedures

• Limb Deformities

• Hand Pain Treatment

• Kyphoplasty

• Frozen Shoulder Physiotherapy

• Ligament and Tendon Repair

• Spinal Deformity Correction

• Achilles Tendon Rupture Treatment

• Back Pain Treatment

• Heat Therapy Treatment

• Spine Mobilization

• Sciatica Pain Treatment

 

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Areas of Interest

 

• Hip and Knee Surgery

• Arthroplasty

• Knee Arthroplasty

• Traumatology

• Hip Dysplasia

• Fracture Management

• Developmental Dysplasia of the Hip (DDH)

• Bone and Joint Disorders

• Bow Leg Correction

• Hip Dysplasia Treatment

• Knee Arthroscopy

 

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Qualifications

 

• 2008 – Medical Education, Gazi University Faculty of Medicine

• 2014 – Specialization in Orthopedic Surgery, Istanbul Baltalimanı Bone Diseases Training and Research Hospital

 

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Work Experience

 

• 2020 – Present: Turan & Turan Health Group, Department of Orthopedics and Traumatology

• 2016 – 2020: Erzincan University School of Medicine, Department of Orthopedics and Traumatology

• 2014 – 2016: Zonguldak Devrek State Hospital, Department of Orthopedics and Traumatology

• 2009 – 2014: Istanbul Baltalimanı Bone Diseases Training and Research Hospital

Dr. Ahmet Çetinkal obtained his medical degree from the Faculty of Medicine at Gülhane Military Medical Academy in 2000 and completed his neurosurgery residency at the same institution in 2009. With over 25 years of experience, he has built a distinguished career that spans both military and civilian healthcare settings.

Following the completion of his specialization, Dr. Çetinkal served as a specialist physician at Kasımpaşa Military Hospital between 2009 and 2014, where he gained substantial experience managing a wide range of neurosurgical cases. He later transitioned to civilian medical institutions, working at Fatih Medical Park Hospital (2014–2016), 34 Private Hospital (2016–2019), and Avcılar Baypark Private Hospital in 2019. Since September 2019, he has been a valued neurosurgeon at Medipol Mega University Hospital.

Dr. Çetinkal’s clinical expertise encompasses pain management, spinal surgery, spinal cord injuries, brain injuries, and brain tumors. His extensive experience allows him to manage highly complex neurosurgical conditions with precision and advanced technical skills. He is also proficient in both English and Turkish, enabling effective and clear communication with international and local patients.

Conditions treated by Dr. Ahmet Çetinkal

Brain Tumors

Lumbar Mass

Carpal Tunnel Syndrome

Spinal Fracture

Pituitary Adenoma

Meningomyelocele

Atypical Psychosis

Aneurysms

Cervical Myelopathy

Adenocarcinoma

Vascular Occlusion in the Brain

Spinal Cord Tumors

Acute Myeloid Leukemia (AML)

Spinal Cord Paralysis

Mass Lesion

Kibas

Joint Calcification

Dystonias

Movement Disorders

Parkinson’s Disease

Cerebellar Prolapse

Brain Aneurysm

Dizziness

Areas of Interest

Spinal Surgery

Peripheral Nerve Surgery

Neuro-oncology

Vascular Neurosurgery

Minimally Invasive Neurosurgery

Pain Management

Qualifications

MD – Gülhane Military Medical Academy, Brain and Nerve Surgery (2009)

MBBS – Gülhane Military Medical Academy, Faculty of Medicine (2000)

Work Experience

Private Avcılar Baypark Hospital (2019)

34 Private Hospital (2016–2019)

Fatih Medical Park Hospital (2014–2016)

Kasımpaşa Military Hospital (2009–2014)