Prof. Dr. Hilmi Apak is a pediatric hematologist and oncologist specializing in pediatric oncology, pediatric benign tumours, and pediatric hematology. He earned his medical degree from Istanbul University Faculty of Medicine before completing his residency in Pediatrics and subsequently his subspecialty training in Pediatric Hematology and Oncology at Istanbul University and Istanbul University-Cerrahpaşa. His career included serving as Head of the Division of Pediatric Hematology-Oncology and Head of the Department of Pediatrics at Istanbul University, as well as a member of the Academic Board, alongside a period as Consultant Physician in Pediatric Hematology-Oncology at Liv Hospital, before joining Biruni University Faculty of Medicine Hospital. His research has focused extensively on pediatric leukemia, lymphoma, and hematologic disorders, resulting in a substantial body of international peer-reviewed publications, including work published in the journal Blood. He has served on the editorial board of the Turkish Archives of Pediatrics and is a former board member of the Turkish Pediatric Society and the Turkish Adolescent Association.
Education
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Doctor of Medicine (M.D.)
Istanbul University Faculty of Medicine
1980–1986
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Residency in Pediatrics
Istanbul University Cerrahpaşa
1989–1994
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Subspecialty Training in Pediatric Hematology and Oncology
Istanbul University
1994–2024
Academic & Administrative Roles
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Pediatric Hematology-Oncology Specialist
Biruni University Faculty of Medicine Hospital
2023–Present
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Consultant Physician: Pediatric Hematology-Oncology
Liv Hospital
2013–2021
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Head of Department
Istanbul University, Department of Pediatrics
2007–Present
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Head of the Division of Pediatric Hematology-Oncology
Istanbul University-Cerrahpaşa
2002–2024
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Member of the Academic Board
Istanbul University, Department of Pediatrics
2002–Present
- Turkish Pediatric Society — Board Member (2019–2023)
- Turkish Adolescent Association — Board Member (2019–2023)
- Turkish Archives of Pediatrics — Associate Editor (2002–2020)
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Experience with Pediatric Chronic Immune Thrombocytopenia over 30 Years in the Era before Eltrombopag
Children · 2024 -
The molecular spectrum of Turkish osteopetrosis and related osteoclast disorders with natural history (including a candidate gene, CCDC120)
Bone · 2023 -
Investigation of 11p15.5 Methylation Defects Associated with Beckwith-Wiedemann Spectrum and Embryonic Tumor Risk in Lateralized Overgrowth Patients
2023 -
Natural history and genetic spectrum of the Turkish metaphyseal dysplasia cohort, including rare types caused by biallelic COL10A1, COL2A1, and LBR variants
Bone · 2022 -
Central Nervous System Fungal Infections in Children With Leukemia and Undergoing Hematopoietic Stem Cell Transplantation: A Retrospective Multicenter Study
Journal of Pediatric Hematology/Oncology · 2022 -
Effect of platelet count and platelet transfusion on fever duration in patients with febrile neutropenia
Pediatric Hematology and Oncology · 2022 -
Increased risk for kidney sequelae surrogates in survivors of Wilms tumor
Pediatric Nephrology · 2022 -
The Probable Suspect in the Prediction of Relapse in Acute Leukemia: Thrombocytopenia
Van Medical Journal · 2022 -
Neurofibromatosis Type 1 in Children: A Single-Center Experience
Turkish Archives of Pediatrics · 2021 -
Comparison of outcomes of children with acute lymphoblastic leukemia treated with BMF protocol across 2 decades
Pediatric Hematology and Oncology · 2020 -
Clinical and Molecular Characterization of Fanconi Anemia Patients in Turkey
Molecular Syndromology · 2020 -
Langerhans Cell Histiocytosis: Single Center Experience of 25 Years
Mediterranean Journal of Hematology and Infectious Diseases · 2019 -
Prognostic and clinical significance of P53, ERBB2, c-Kit and BCL2 Expression in childhood medulloblastoma cases
Cukurova Medical Journal · 2019 -
Deferasirox in children with transfusion-dependent thalassemia or sickle cell anemia: A large cohort real-life experience from Turkey (REACH-THEM)
European Journal of Haematology · 2018 -
The utility of susceptibility-weighted imaging to evaluate the extent of iron accumulation in the choroid plexus of patients with β-thalassaemia major
Clinical Radiology · 2017 -
Treatment of high-risk neuroblastoma: National protocol results of the Turkish Pediatric Oncology Group
Journal of Cancer Research and Therapeutics · 2017 -
Infection and Hemophagocytic Syndrome: Single Center Experience
Pediatric Blood & Cancer · 2016 -
Febrile neutropenia in children with acute lymphoblastic leukemia: Single center experience
Turkish Archives of Pediatrics · 2016 -
The Role of Epstein-Barr Virus LMP-1 Immunohistochemical Staining in Childhood Hodgkin Lymphoma
Iranian Journal of Pediatrics · 2015 -
Langerhans Cell Histiocytosis: One Center Experience
Pediatric Blood & Cancer · 2015 -
Malignant Extragastrointestinal Neuroectodermal Tumor Located at Right Cervical Region
Open Journal of Pathology · 2015 -
Initial Management of Childhood Acute Immune Thrombocytopenia: Single-Center Experience of 32 Years
Pediatric Hematology and Oncology · 2015 -
Childhood mastocytosis: results of a single center
Turkish Archives of Pediatrics · 2015 -
Febrile Neutropenia in Children with Acute Lymphoblastic Leukemia Treated with BFM Protocols
Blood · 2014 -
Hodgkin's Disease (1975-2012): Long-Term Results of a Single Center
Blood · 2014 -
PO-0163 Effect Of Nutrition With Follow-up Formula From 6th Month Of Age On The Complete Blood Count And Iron Levels Of Infants (preliminary Trial)
Archives of Disease in Childhood · 2014 -
A Translocation Renal Cell Carcinoma with Skeletal Muscle Metastasis in a Child
Turk Patoloji Dergisi · 2014 -
A 17-Year Experience with ALL-BFM Protocol in Acute Lymphoblastic Leukemia: Prognostic Predictors and Interruptions During Protocol
Leukemia Research · 2014