Education and Specialization
1999 - 2005 Akdeniz University Faculty of Medicine
2005 - 2010 Zeynep Kamil Training and Research Hospital, Pediatrics Residency
2011-2015 Istanbul Medeniyet University Göztepe Training and Research Hospital, Pediatric Neurology Fellowship

Experience
2010 - 2011 Ümraniye Training and Research Hospital, Pediatric Specialist
2011 Burdur Gölhisar State Hospital, Pediatric Specialist
2016 - 2020 Ümraniye Training and Research Hospital, Pediatric Neurology Specialist

Courses and Certifications
Ministry of Health Neonatal Resuscitation Program Practitioner Certificate 21-23/11/06 (General Directorate of Maternal and Child Health and Family Planning, İzmir Medical Chamber)
Developmental Monitoring and Support Guide Practitioner Training Course 29/03/13 (Ankara University Faculty of Medicine, Department of Pediatrics, Developmental Pediatrics Division, Developmental Pediatrics Association)
AcademiKA Advanced Clinical Practices Training 17-19/10/14 (Ministry of Health, Turkish Medicines and Medical Devices Agency)
Basic EEG Course 13-14/03/15 (Turkish Society of Pediatric Neurology)
Advanced EEG Course in Pediatric Neurology 23-25/10/15 (Turkish Society of Pediatric Neurology)
Introduction to Basic Electrophysiology Course 11-13/12/15 (Turkish Society of Pediatric Neurology)
Neuromuscular Diseases in Pediatric Neurology Course 4-5/05/15 (Turkish Society of Pediatric Neurology)
Early Childhood Neurological Development and Evaluation of Delays/Abnormalities Course 18/02/16 (Marmara University Faculty of Medicine, Department of Pediatrics, 3rd Marmara Pediatrics Congress)
Epilepsy Course 20/04/16 (Turkish Society of Pediatric Neurology, 18th National Pediatric Neurology Congress)
Neuroimmunology Course 24/04/16 (Turkish Society of Pediatric Neurology, 18th National Pediatric Neurology Congress)

Professional Memberships
Turkish Society of Pediatric Neurology
National Pediatric Association
European Paediatric Neurology Society (EPNS)
Istanbul Medical Chamber

Publications:

• Karatoprak E, Sözen G, Saltık S. Risk factors associated with epilepsy development in children with cerebral palsy. Child's Nervous System, 2019.
• Saltık S, Sözen HG, Başgül S, Karatoprak EY, İçağasıoğlu A. Pregabalin treatment of a patient with complex regional pain syndrome. Pediatr Neurol. 2016 Jan;54:88-90.
• Ünver O, Hacıfazlıoglu NE, Karatoprak E, Günes AS, Sağer G, Kutlubay B, Sözen G, Saltık S, Yılmaz K, Kara B, Türkdoğan D. The frequency of late-onset Pompe disease in pediatric patients with limb-girdle muscle weakness and nonspecific hyperCKemia: A multicenter study. Neuromuscular Disorders. 2016.
• Sözen HG, Saltık S, Karatoprak EY. Menkes disease: A case report. Göztepe Tıp Dergisi. 2013;28(1):51-54.

Theses:

• Pediatric Health and Diseases Specialization Thesis: "Investigation of the relationship between maternal vaginal culture, cord blood culture, and procalcitonin levels in premature infants with prolonged early membrane rupture" 2010.
• Pediatric Neurology Fellowship Thesis: "Neurological evaluation of children with methylenetetrahydrofolate reductase mutation" 2015.

Oral & Video Presentations:

• Yılmaz K, Sözen HG, Karatoprak EY, Özer I. A rare symptom and a rare disease association: Niemann-Pick Type C and Cataplexy. 17th National Pediatric Neurology Congress, May 6-9, 2015.
• Karatoprak EY, Sözen G, Yılmaz K. A diagnosis to be considered as a non-epileptic cause at any age: Hyperekplexia. 17th National Pediatric Neurology Congress, May 6-9, 2015.
• "Acute Flaccid Myelitis Cases: Multicenter Experience." Olcay Ünver, Dilşad Türkdoğan, Serhat Güler, Osman Kipoğlu, Mesut Güngör, Cem Paketçi, Kürşat Bora Çarman, Hülya Maraş Genç, Mehpare Özkan, Elif Karatoprak, Betül Kılıç, Gülten Thomas, Erhan Bayram, Coşkun Yarar, Hatice Gülhan Sözen, Güneş Sağer, Ayfer Sakarya, Sema Saltık, Mine Çalışkan, Pınar Koytak, Evrim Karadağ Saygı, Gazanfer Ekici, Bülent Kara, Uluç Yiş, Nur Aydınlı. S-17; May 1-5, 2019, 21st International Pediatric Neurology Congress, Muğla.
• Maraş Genç H, Kutlubay B, Sözen HG, Kalın S, Asarcıklı F, Tekkeşin F, Karakayalı B, Sözeri B. Clinical and Radiological Features of Sinovenous Thrombosis in Children. 41st Pediatric Days, April 7-10, 2019, Istanbul.
• NF-1 Diagnosis in a Patient with Pelvic Ganglioneuroma. Uzm.Dr. Hatice Gülhan Sözen, UPNAM 2019.

Published Posters:

• Sözen HG, Saltık S, Karatoprak EY. A case of SSPE with brainstem involvement. 48th National Neurology Congress, November 16-22, 2012.
• Karatoprak EY, Saltık S, Sözen HG. Type 1 Griscelli syndrome: Two case reports. 48th National Neurology Congress, November 16-22, 2012.
• Yılmaz K, Karatoprak EY, Sözen G, Özer I. A cause of congenital microcephaly that should not be forgotten: Maternal phenylketonuria. 17th National Pediatric Neurology Congress, May 6-9, 2015.
• Karatoprak EY, Yılmaz K, Sözen G, Özer I. The significance of methylenetetrahydrofolate reductase C677T and A1298C polymorphisms in childhood epileptiform activity. 17th National Pediatric Neurology Congress, May 6-9, 2015.
• Karatoprak EY, Sözen G, Yılmaz K, Özer I. Brain tumor development in L-2-hydroxyglutaric aciduria should be considered in follow-up: A case report. 17th National Pediatric Neurology Congress, May 6-9, 2015.
• Sözen HG, Karatoprak EY, Yılmaz K, Özer I. Neurological evaluation of children with methylenetetrahydrofolate reductase mutation. 18th National Pediatric Neurology Congress, April 20-24, 2016.
• "NF-1 diagnosed patient with pelvic ganglioneuroma." Hatice Gülhan Sözen, Sevinç Kalın, Funda Tekkeşin, Sait Naderi. P112, May 1-5, 2019, 21st International Pediatric Neurology Congress, Muğla.
• "Rituximab experience in a patient with Opsoclonus Myoclonus Syndrome." Hatice Gülhan Sözen, Hülya Maraş Genç, Büşra Kutlubay, Burcu Karakayalı, Betül Sözeri, Elif Yüksel Karatoprak. P113, May 1-5, 2019, 21st International Pediatric Neurology Congress, Muğla.
• "Progressive course of ADEM case." Hatice Gülhan Sözen, Hülya Maraş Genç, Büşra Kutlubay. P114, May 1-5, 2019, 21st International Pediatric Neurology Congress, Muğla.
• "Four cases of acute flaccid paralysis presenting in the last year." Büşra Kutlubay, Hülya Maraş Genç, Hatice Gülhan Sözen. P-034. May 1-5, 2019, 21st International Pediatric Neurology Congress, Muğla.