Doctors - Prof. Dr. Emel Sezer | Medical Oncology

Education and Specialization

1999: Graduated from Hacettepe University Faculty of Medicine, English program.

2004: Internal medicine specialization, Ankara University Faculty of Medicine.

2009: Medical oncology fellowship, Gazi University Faculty of Medicine.

Academic Appointments

2010: Associate professor, Mersin University Faculty of Medicine.

2015: Professor, Mersin University Faculty of Medicine.

Professional Experience

Mersin University Faculty of Medicine.

2018–2023: Medical Oncology Clinic, Mersin Ortadoğu Hospital.

Since 2023: VM Medical Park Mersin.

Main Areas of Interest

Medical oncology

Cancer diagnosis and treatment

Chemotherapy

Targeted therapies and immunotherapy

Scientific Publications

Articles

Eser K, Sezer E, Erçolak V, İnal A. Evaluation of biosimilar trastuzumab MYL-1401O in HER2-positive breast cancer. Am J Manag Care. 2023 Feb 1;29(2):e36-e42. doi: 10.37765/ajmc.2023.89234. PMID: 36811986.

Ismi O, Arpaci RB, Berkesoglu M, Dag A, Sezer E, Bal KK, Vayısoğlu Y. Calcitonin-negative neuroendocrine tumor of thyroid gland mimicking anaplastic carcinoma: an unusual entity. Gland Surg. 2015 Aug;4(4):344-9. doi: 10.3978/j.issn.2227-684X.2015.01.02. PMID: 26312221.

Erdem GU, Dogan M, Aytekin A, Sahin S, Cinkir HY, Sakin A, Ozcelik M, Bozkurt O, Sezer E, Demirci NS, Bozkaya Y, Zengin N. Clinical outcomes of patients with pure small cell carcinoma of the urinary bladder. Ir J Med Sci. 2020 May;189(2):431-438. doi: 10.1007/s11845-019-02074-9. Epub 2019 Aug 28. PMID: 31463895.

Eser K, Önder AH, Sezer E, Çil T, İnal A, Öztürk B, Erçolak V, Duman BB, Çelik H, Köşeci T, Kesen O. Proton pump inhibitors may reduce the efficacy of ribociclib and palbociclib in metastatic breast cancer patients based on an observational study. BMC Cancer. 2022 May 7;22(1):516. doi: 10.1186/s12885-022-09624-y. PMID: 35525929.

Koç ZP, Kara PÖ, Sezer E, Eser K. The influence of post-diuretic late phase imaging in visual and quantitative evaluation of urothelial tumors by F-18 fluorodeoxyglucose positron emission tomography/computed tomography. Turk J Urol. 2019 Dec;45(Supp. 1):S56-S62. doi: 10.5152/tud.2019.27482. Epub 2019 Dec 1. PMID: 33120003.

Inal A, Kodaz H, Odabas H, Duran AO, Seker MM, İnanc M, Elkıran ET, Gunaydın Y, Menekse S, Topcu TO, Urakcı Z, Tastekin D, Bilici M, Cihan S, Geredeli C, Sezer E, Uncu D, Arpacı E, Ozturk B, Bal O, Uysal M, Tanrıverdi O, Gumus M, Oven Ustaalioglu BB, Suner A, Cokmert S, Hacıbekiroglu İ, Aydın K, Isıkdogan A. Prognostic factors of patients who received chemotherapy after cranial irradiation for non-small cell lung cancer with brain metastases: A retrospective analysis of multicenter study (Anatolian Society of Medical Oncology). J Cancer Res Ther. 2018 Apr-Jun;14(3):578-582. doi: 10.4103/0973-1482.176417. PMID: 29893321.

Karadurmuş B, Sezer E, Arpacı RB, Eser K, Erdoğan S, Erçolak V. Prognostic impact of c-MYC and EZH2 expression in small cell and non-small cell lung carcinoma: a single-center retrospective study. Discov Oncol. 2026 Apr 3;17(1):730. doi: 10.1007/s12672-026-04941-1. PMID: 41928013.

Esra Çavuşoğlu, Hilal Altundal Duru, Kadir Eser, Emel Sezer, Vehbi Erçolak, Ümmügülsüm Kılıç. Acupressure for oncology symptom management during chemotherapy: A three-arm randomized controlled trial of therapist versus self-application. EUROPEAN JOURNAL OF INTEGRATIVE MEDICINE, vol. 84, no. 102654, article 102654. 2026. DOI: 10.1016/j.eujim.2026.102654.

Kadir Eser, Zehra Pınar Koç, Emel Sezer, Pınar Pelin Özcan, Tuba Kara, et al.. The F-18 FDG PET/CT evaluation of the metastatic adrenal lesions of the non-lung cancer tumors compared with pathology results. EGYPTIAN JOURNAL OF RADIOLOGY AND NUCLEAR MEDICINE, vol. 53, no. 1, pp. 5–5. 2022. DOI: 10.1186/s43055-021-00663-2.

Kadir Eser, Emel Sezer, Vehbi Erçolak, Ali İnal, Alper Ata, Hakan Basır, et al.. Investigation of Regorafenib Efficacy in Patients with Metastatic Colorectal Carcinoma in Relation to the Delivered Dose Intensity/Body Surface Area. Journal of oncological sciences, vol. 8, no. 1, pp. 34–42. 2022. DOI: 10.37047/jos.2021-87466.

Kadir Eser, Emel Sezer, Banu Öztürk, Arif Hakan Önder, Arif Önder, Vehbi Erçolak, Zeynep Oruç, et al.. The Effect of Tumor Sideness and Mutational Status on First Line Treatment Response and Survival in The Patients with Metastatic Colorectal Cancer. UHOD-ULUSLARARASI HEMATOLOJI-ONKOLOJI DERGISI, vol. 30, no. 4, pp. 197–206. 2020. DOI: 10.4999/uhod.204659.

Kadir Eser, Emel Sezer, Vehbi Erçolak. Eritrosit Dağılım Genişliği (RDW): Metastatik Kolorektal Kanserde Prognoz Belirleyici Olarak Kullanımı. Mersin Üniversitesi Tıp Fakültesi Lokman Hekim Tıp Tarihi ve Folklorik Tıp Dergisi, vol. 9, no. 1, pp. 66–72. 2019. DOI: 10.31020/mutftd.466992.

Zehra Pınar Koç, Pelin Özcan Kara, Pınar Pelin Özcan, Emel Sezer, Kadir Eser, Anıl Özgür. The clinical impact of incidental sellar uptake on F-18 FDG PET/CT. International Journal of Endocrine Oncology, vol. 6, no. 2, article IJE15. 2019. DOI: 10.2217/ije-2018-0004.

Pınar Pelin Özcan Kara, Zehra Pınar Koç, Mehmet Özgür Türkmenoğlu, Kadir Eser, Emel Sezer. Stewart-Treves Syndrome in a Patient with Breast Cancer on FDG-PET/CT Imaging. ARC Journal of Radiology and Medical Imaging, vol. 2, no. 1, pp. 16–18. 2017.

Pınar Pelin Özcan Kara, Zehra Pınar Koç, Emel Sezer, Kadir Eser. Intramedullary metastases detected on 18F FDG-PET/CT imaging. Medical and Clinical Archives, vol. 1, no. 2, pp. 1–2. 2017. DOI: 10.15761/mca.1000107.

Pınar Pelin Özcan Kara, Zehra Pınar Koç, Emel Sezer, Kadir Eser. Rare skin and testicular extranodal involvement in a patientwith marginal zone lymphoma on 18F-FDG PET-CTimaging. Nuclear Medicine and Biomedical Imaging, vol. 2, no. 2, pp. 1–2. 2017.

Pınar Pelin Özcan Kara, Pelin Özcan Kara, Zehra Pınar Koç, Emel Sezer, İhsan Esen, Kadir Eser, et al.. Malignant Peripheral Nerve Sheath Tumor Staging on PET-CT Imaging in a Patient with Neurofibromatosis Type I. International Journal of Radiology & Radiation Therapy, vol. 3, no. 4, pp. 261–262. 2017. DOI: 10.15406/ijrrt.2017.03.00070.

Kadir Eser, Emel Sezer. Rektum Kanseri’nde Neoadjuvan ve Adjuvan Tedavi. Kanser Gündemi Dergisi, vol. 9, no. 2, pp. 77–106. 2021.

Zehra Pınar Koç, Pınar Pelin Özcan, Emel Sezer, Vehbi Erçolak. Diagnostic Comparison of F-18 Sodium FluorideNaF, Bone Scintigraphy, and F-18 Fluorodeoxyglucose Positron Emission Tomography/Computed Tomography in the Detection of Bone Metastasis. JOURNAL OF BONE AND SOFT TISSUE TUMORS, vol. 5, no. 1, pp. 9–12. 2019.

Kemal Topal, Merih Akkapulu Kaya, Zeynep Nil Ünal, Vehbi Erçolak, Emel Sezer, Ali Erdinç Yalın. Meme Kanseri Olgularında Toll Benzeri Reseptörleri Kodlayan Genlerde Rastlanan Varyasyonların Belirlenmesi. NEVÜ Sağlık Bilimleri Dergisi, vol. 2, no. 1, pp. 7–16. 2026.

Koç ZP, Özcan PP, Sezer E, Kara T, Erdem Palaz E. The quantification for the treatment response evaluation of Metastatic Gastroenteropancreatic Neuroendocrine Tumors in Ga-68 DOTATATE PET/CT. Molecular Oncologic Imaging. 2024;4(2):17–23.

Koç ZP, Özcan Kara P, Sezer E, Akdeniz A, Temel G. Mortality Analysis by Means of F-18 FDG PET/CT in High Grade Extranodal Head and Neck Lymphoma. Molecular Oncologic Imaging. 2023;3(2):1–8.

Yavan G, Koç ZP, Özcan PP, Sayar H, Türkmen A, Çelik A, Sezer E. F-18 FDG PET/CT in a Soft Tissue Tumor with Pericardial Metastasis. Molecular Oncologic Imaging. 2023;3(1):18–21.

Koç ZP, Özcan PP, Sezer E, Dağ A, Tuncel Daloğlu F, İlhan TT. Coincident Pelvic Uptake in the F-18 FDG PET/CT Imaging in Patients With the Diagnosis of Breast Carcinoma. Molecular Oncologic Imaging. 2022;2(2):6–11.

Koç ZP, Özcan PP, Sezer E, Yavan G. F-18 FDG PET/CT imaging in the Ameloblastoma Follow Up. Molecular Oncologic Imaging. 2022;2(1):1–2.

Öztürk B, Kutlutürk F, Sezer E. Üç Farklı Solid Tümörde Serum Adiponektin Düzeyleri. Turkish Journal of Diabetes and Obesity. 2018;2(2):65–71.

Conference Papers and Scientific Presentations

Emel Sezer, Kadir Eser, Vehbi Erçolak, Açıkgöz Yusuf, Banu Öztürk. The prognostic values of tumor characteristics and clinical factors of neuroendocrine tumors: Two centers experience. Annals of Oncology. 2018;29(Suppl 5):v31–v32. 2018. DOI: 10.1093/annonc/mdy151.113.

Ehsan Sayedali, Merih Akkapulu, Kadir Eser, Halil Çelik, Mehmet Yaldız, Ali Erdinç Yalın, Emel Sezer, Vehbi Erçolak, Serap Yalın. The Role of lncRNA H19 in the Resistance of Ovarian Cancer Cells to Cisplatin Therapy. 6th International Eurasian Conference on Biological and Chemical Sciences (EurasianBioChem 2023) (11.10.2023 - 13.10.2023).

Zehra Pınar Koç, Pelin Özcan Kara, Pınar Pelin Özcan Kara, Emel Sezer, Kadir Eser. F-18 FDG PET/BT çalışmalarında tesadüfen saptanan hipofiz tutulumlarının klinik önemi. 30. Ulusal Nükleer Tıp Kongresi (11.04.2018 - 14.04.2018).

Emel Sezer, Kadir Eser, Arif Hakan Önder, Banu Öztürk. Tumor sideness and mutational status: The potential effects on mCRC patients survival and treatment outcomes. 2018 Gastrointestinal Cancers Symposium (18.01.2018 - 19.01.2018).

Kadir Eser, Emel Sezer, Vehbi Erçolak, K. Sezer, Kerem Sezer, Elvan Çağlar Çıtak, Ç. Çıtak. Effectiveness of vandetanib treatment in medullary thyroid cancer. single center experience. 2.ulusal immunoterapi ve onkoloji kongresi (31.10.2018 - 04.11.2018).

Kadir Eser, Emel Sezer, Vehbi Erçolak, Ali İnal. HER2-Pozitif Meme Kanserinde Biyobenzer Trastuzumab MYL-1401O'nun Etkinlik ve Güvenlik Değerlendirmesi. 6. Ulusal İmmünoterapi ve Onkoloji Kongresi (19.10.2022 - 23.10.2022).

Mustafa İlgan, Emel Sezer, Kadir Eser, Dilek Çiçek Yılmaz, Sevcan Tuğ Bozdoğan, Vehbi Erçolak. Role of miRNAs in doxorubicin-induced cardiotoxicity in breast cancer patients. 1. Endokrin Kardiyovasküler Renal Hastalıklar ve Aciller Kongresi (02.06.2022 - 05.06.2022).

Kadir Eser, Emel Sezer, Vehbi Erçolak, Ali İnal, Halil Çelik. HER2 pozitif meme kanserinde farklı neoadjuvan tedavi verilen hastalarda patolojik yanıt ve PFS’nin değerlendirilmesi. 9. Türk Tıbbi Onkoloji Derneği Kongresi (18.05.2022 - 22.05.2022).

Kadir Eser, Emel Sezer, Vehbi Erçolak, Ali İnal. Geriatrik Hormon Reseptörü Pozitif Her2 Negatif Metastatik Meme Kanserli Hastalarda CDK inhibitörlerinin Etkinlik ve Güvenlik Gerçek Yaşam Verisi. 4. Geriatrik Onkoloji Sempozyumu (13.12.2020 - 14.12.2020).

Ali Cem Oktay, Kadir Eser, Göktekin Tenekeci, Vehbi Erçolak, Emel Sezer, Yavuz Demir, Şakir Ünal. Bazal hücreli kanser tedavisinde oral kemoterapötik vismodegib kullanımı hakkında tecrübelerimiz. Türk Plastik, Rekonstrüktif ve Estetik Cerrahi Derneği, 40. Ulusal Kurultayı (17.10.2018 - 21.10.2018).

Emel Sezer, Kadir Eser, Arif Önder, Banu Öztürk, Vehbi Erçolak, Zeynep Oruç. The prognostic and predictive value of primary tumor sidedness in the mCRC p. ESMO 20th World Congress on Gastrointestinal Cancer 20–23 June 2018, Barcelona, Spain (19.10.2018 - ).

Pelin Özcan Kara, Zehra Pınar Koç, Emel Sezer, Kadir Eser. F-18 FDG PET/BT Görüntülemede Saptanan İntrameduller Metastaz Öyküsü. 29. Ulusal Nükleer Tıp Kongresi (10.05.2017 - 14.05.2017).

Pelin Özcan Kara, Zehra Pınar Koç, Emel Sezer, Kadir Eser. Nörofibromatozis Tip 1 Tanılı Hastada PET/BT Görüntülemede Malign Periferal Sinir Kılıfı Tümörü Evrelemesi. 29. Ulusal Nükleer Tıp Kongresi (10.05.2017 - 14.05.2017).

Pelin Özcan Kara, Zehra Pınar Koç, Emel Sezer, Kadir Eser. Marjinal Zon Lenfoma Tanısı Alan Hastada PET/ BT Görüntülemede Nadir Deri ve Testis Ekstranodal Tutulumları. 29. Ulusal Nükleer Tıp Kongresi (10.05.2017 - 14.05.2017).

Zehra Pınar Koç, Pelin Özcan Kara, Emel Sezer, Kadir Eser. Kosta Komşuluğunda Plevral Tümörü Taklit Eden Plazmasitom ve Trakea Kartilajı Dahil Yaygın Kemik Metastazlı Multipl Miyelom. 29. Ulusal Nükleer Tıp Kongresi (10.05.2017 - 14.05.2017).