Education and Specialization
2007-2013 Celal Bayar University Faculty of Medicine
2015-2016 Kocaeli University Internal Medicine Clinic Specialization
2016-2019 İzmir Katip Çelebi University Atatürk Training and Research Hospital Internal Medicine Clinic Specialization

Experience
2013-2014 Ardahan Damal Community Health Center
2015-2016 Kocaeli Faculty of Medicine Internal Medicine
2016-2019 İzmir Katip Çelebi University Atatürk Training and Research Hospital Internal Medicine Clinic
2019-2021 Nusaybin State Hospital
2020-2021 Kızıltepe State Hospital

Courses and Certifications
Occupational Medicine
2016 Blood and Blood Products Transfusion Symposium
2018 Emergency Internal Medicine and Intensive Care Course
2016 Communication Skills Course
2016 Managing Differences in Communication
2020 Holistic Medicine Bioresonance Training
2020 Diction and Effective Speaking Training with Zafer Kiraz
2020 Life and Quantum Coaching Training
2021 Holistic Medicine Eating and Drinking Disorders Training
2021 Phytotherapy Training
2021 Aromatherapy Training

Professional Memberships
Turkish Internal Medicine Specialist Association

Thesis Studies

1. Etiology and Clinical Course of Acute Pancreatitis in Patients with Chronic Kidney Failure
   Thesis Advisors: Prof. Dr. Hüseyin Sinan Akay, Assoc. Prof. Dr. Zeki Soypaçacı
   İzmir Katip Çelebi University, 2019

National Publications

1. Umut Varol, Nagihan Akkaş, Utku Oflazoğlu, Tarık Salman, Halil Taşkaynatan, Seray Saray, Yaşar Yıldız, Ahmet Alacacıoğlu, Yüksel Küçükzeybek, Mustafa Tarhan. "Preoperative High CA125 Values and Their Postoperative Return to Normal Ranges in Patients with Ovarian Cancer: Clinical Significance." Celal Bayar University Journal of Health Sciences Institute. 2020 Dec; 7(4): 523-528.

2. Umut Varol, Nagihan Akkaş, Utku Oflazoğlu, Tarık Salman, Yaşar Yıldız, Ahmet Alacacıoğlu, Halil Taşkaynatan, Yüksel Küçükzeybek, Mustafa Oktay Tarhan. "Three Cases of Mesenteric Desmoid Tumor Where Surgical Resection Was Not Possible." Acta Oncologica Turcica. 2019; 52(1): 189-193.

International Publications

1. Fergün Yılmaz, Dilan Atilla, Nagihan Akkaş, Hale Bülbül, Nur Soyer, Derya Demir, Demet Kiper, Aylin Avcı, Filiz Vural, Güray Saydam, Fahri Şahin, Mine Hekimgil, Nazan Özsan, Rafika Durusoy, Bahriye Payzın. "Retrospective Analysis of Hairy Cell Leukemia Patients Treated with Different Modalities as First Line: Real-Life Experience Over 20 Years." Indian Journal of Hematology and Blood Transfusion. 2019 Oct; 35(4): 692-698.

Book Chapters

1. DeVita, Hellman, and Rosenberg’s Cancer: Principles & Practice of Oncology (10th edition, Turkish translation), Chapter 126: Metastatic Cancer to Bone. 1978-1989.

Symposia and Congresses

1. İzmir Oncology Days Rare Tumors Symposium (2019)

   Oral Presentations:

   • Nagihan Akkaş, Yaşar Yıldız, Halil Taşkaynatan, Utku Oflazoğlu, Tarık Salman, Yüksel Küçükzeybek, Özlem Özdemir, Umut Varol, Ahmet Alacacıoğlu. "Prognostic Significance of De-Ritis Ratio in Metastatic Prostate Cancer Patients Receiving Docetaxel Treatment."

   Posters:

   • Nagihan Akkaş, Yusuf Üzüm, Mehmet Sonbahar, Halil Taşkaynatan, Yaşar Yıldız, Utku Oflazoğlu, Tarık Salman, Umut Varol, Yüksel Küçükzeybek, Niyazi Can Ertürk, Ahmet Alacacıoğlu. "Rare Metastasis of Lung Adenocarcinoma: Case Report."
   • Nagihan Akkaş, Yaşar Yıldız, Halil Taşkaynatan, Utku Oflazoğlu, Tarık Salman, Yüksel Küçükzeybek, Ahmet Alacacıoğlu, Umut Varol. "Breast Cancer Metastasis to the Thyroid: A Case Report."
   • Nagihan Akkaş, Yaşar Yıldız, Halil Taşkaynatan, Utku Oflazoğlu, Tarık Salman, Yüksel Küçükzeybek, Ahmet Alacacıoğlu, Umut Varol. "A Rare Case of Rhabdomyosarcoma Presenting with Scrotal Mass."

2. Internal Medicine Winter School (2019)

   Oral Presentations:

   • Nagihan Akkaş, Asu Fergün Yılmaz, Hatice Demet Kiper Ünal, Kadriye Bayaman Payzın, Betül Bolat Küçükzeybek, Aylin Örgen Çallı, Sadi Bener. "Castleman’s Disease: Single Center Experience."
   • Nagihan Akkaş, Hale Bülbül. "Hairy Cell Leukemia: Long-Term Data from Two Centers."
   • Nagihan Akkaş, Mehmet Sonbahar, Yaşar Yıldız, Tarık Salman, Hakan Çamyar, Ahmet Alacacıoğlu, Halil Taşkaynatan, Utku Oflazoğlu, Fulya Çakal Oğlu Ünay, Neşe Ekinci, Yüksel Küçükzeybek. "Uveal Malignant Melanoma with Rare Gastric Metastasis: A Case Report."
   • Nagihan Akkaş, Mehmet Sonbahar, Zeki Soypaçacı. "Adrenal Insufficiency Presenting with Hypoglycemic Symptoms in a Patient with End-Stage Renal Failure Due to Secondary Amyloidosis."
   • Nagihan Akkaş, Burçin Dalkılınç. "A Case of Pauci-Immune Glomerulonephritis Presenting with Acute Pericardial Tamponade."

3. İzmir Oncology Days Rare Tumors Symposium (2018)

   Posters:

   • Nagihan Akkaş, Umut Varol, Utku Oflazoğlu, Tarık Salman, Halil Taşkaynatan, Seray Saray, Yaşar Yıldız, Ahmet Alacacıoğlu, Yüksel Küçükzeybek, Mustafa Tarhan. "Three Cases of Desmoid Tumors Where Local Treatment Was Not an Option."
   • Nagihan Akkaş, Umut Varol, Utku Oflazoğlu, Tarık Salman, Halil Taşkaynatan, Seray Saray, Yaşar Yıldız, Ahmet Alacacıoğlu, Yüksel Küçükzeybek, Mustafa Tarhan. "Primary Omental Gastrointestinal Stromal Tumor: A Case Report."

4. Turkish Medical Oncology Congress (2018)

   Posters:

   • Nagihan Akkaş, Umut Varol, Utku Oflazoğlu, Tarık Salman, Halil Taşkaynatan, Seray Saray, Yaşar Yıldız, Ahmet Alacacıoğlu, Yüksel Küçükzeybek. "Multiple Primary Tumors: A Case Report of a Patient with Three Different Tumors."

5. Turkey Endocrinology and Metabolism Diseases Congress (2019)

   Posters:

   • Nagihan Akkaş, Merve Kılınç. "A Case of Partial Adrenal Insufficiency Diagnosed with Insulin-Induced Hypoglycemia Test."
   • Nagihan Akkaş, Merve Kılınç. "Is the Association Between Conn’s Syndrome and Takayasu Arteritis Coincidental?"

6. Aegean Hematology Oncology Symposium (2018)

   Posters:

   • Burçin Dalkılınç, Nagihan Akkaş, Fergün Yılmaz, Bahriye Bayman Payzın. "Opportunistic Infection in a Non-Hodgkin Lymphoma Patient: Invasive Fungal Sinusitis."
   • Nagihan Akkaş, Burçin Dalkılınç, Fergün Yılmaz, Hatice Demet Kiper Ünal, Bahriye Bayman Payzın. "Hemolytic Uremic Syndrome in an Adult Patient: A Case Report."

7. National Nephrology Congress (2019)

8. National Rheumatology Congress (2019)

9. Aegean Hematology Oncology Symposium (2019)

10. Bozyaka Hematology Symposium (2018)

    Posters:

    • Burçin Dalkılınç, Nagihan Akkaş, Hatice Demet Kiper Ünal, Şerife Solmaz, Kadriye Bahriye Payzın. "Diffuse B-Cell Non-Hodgkin Lymphoma Developed in a Chronic Immune Thrombocytopenia Patient."

11. National Internal Medicine Congress (2018)

12. 4th Adrenal Gonads Symposium (2016)

13. Aegean Hematology Oncology Symposium (2017)

14. Turkish Medical Oncology Congress (2018)

15. Uludağ Internal Medicine Winter Congress (2019)

16. National Cancer Congress (2019)

17. Mediterranean Hematology Symposium (2019)

18. Muğla Multidisciplinary Oncology Research Symposium (2017)

19. Metabolic Syndrome Symposium (2019)

20. Geriatric Oncology Symposium (2017)

21. National Gastroenterology Symposium (2017)