Bilimsel çalışmalar

Doç. Dr. Osman Köstek

197 yayın. Her yayının yanında bilginin kaynağı yazar.

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  1. Evaluation of Thyroid Disorders in Effectively Treated Acromegalic Patients

    Bozok Tıp Dergisi, 2025

    DOI 10.16919/bozoktip.1523690 Açık erişimli tam metinKaynak: OpenAlex

  2. Colorectal Cancer Metastasizing to the Thyroid Gland: A Rare and Interesting Case

    Journal of Oncological Sciences, 2025

    DOI 10.37047/jos.galenos.2025.2025-3-11 Açık erişimli tam metinKaynak: OpenAlex

  3. Treatment outcomes and prognostic factors in patients with driver mutant non-small cell lung cancer and de novo brain metastases

    Scientific Reports, 2024

    DOI 10.1038/s41598-024-56046-w PMID 38461209 16 atıf (Europe PMC) Açık erişimli tam metinKaynak: OpenAlex

  4. The prognostic factors in patients with advanced hepatocellular carcinoma: impact of treatment sequencing

    Journal of Chemotherapy, 2024

    DOI 10.1080/1120009x.2024.2305066 PMID 38263804 2 atıf (Europe PMC) Kaynak: OpenAlex

  5. Clinicopathologic Features and Efficacy of Induction Chemotherapy in Nasopharyngeal Carcinoma: Real-World Experience

    Oncology Research and Treatment, 2024

    DOI 10.1159/000537988 PMID 38565096 2 atıf (Europe PMC) Açık erişimli tam metinKaynak: ORCID

  6. Which factors help to determine the long-term response to first-line tyrosine kinase inhibitors in patients with metastatic renal cell carcinoma: A Turkish multi-centre study

    Biomolecules and Biomedicine, 2024

    DOI 10.17305/bb.2024.10512 PMID 38920621 1 atıf (Europe PMC) Açık erişimli tam metinKaynak: ORCID

  7. HER2 exon 20 mutant non-small cell lung cancer with complete remission of intracranial metastases with trastuzumab deruxtecan: A case report

    Anti-Cancer Drugs, 2024

    DOI 10.1097/cad.0000000000001625 PMID 39115060 4 atıf (Europe PMC) Kaynak: ORCID

  8. Prognostic Factors Associated with Resected Osteosarcoma: Efficacy of Adjuvant Setting, Real-World Experience

    UHOD - Uluslararasi Hematoloji-Onkoloji Dergisi, 2024

    DOI 10.4999/uhod.247419 Açık erişimli tam metinKaynak: ORCID

  9. Systemic Inflammation Response Index and Pan-Immune-Inflammation Value: Prognostic Significance in Metastatic Melanoma

    Journal of Oncological Science, 2024

    DOI 10.37047/jos.2024-105164 Açık erişimli tam metinKaynak: ORCID

  10. Efficacy and safety of G-CSF prophylaxis in patients with extensive-stage small cell lung cancer receiving Chemoimmunotherapy

    Expert Opinion on Pharmacotherapy, 2024

    DOI 10.1080/14656566.2024.2391007 PMID 39115275 4 atıf (Europe PMC) Kaynak: ORCID

  11. Efficacy of systemic treatments in patients with metastatic lung invasive mucinous adenocarcinoma

    Journal of Clinical Oncology, 2024

    DOI 10.1016/j.cllc.2024.05.004 PMID 38871540 5 atıf (OpenAlex) Kaynak: ORCID

  12. Efficacy of systemic treatments in patients with metastatic lung invasive mucinous adenocarcinoma.

    Journal of Clinical Oncology, 2024

    DOI 10.1200/jco.2024.42.16_suppl.e20609 1 atıf (OpenAlex) Kaynak: OpenAlex

  13. Evaluating therapeutic efficacy of extended shelf-life 90Y glass microspheres in transarterial radioembolization for colorectal cancer: a quantitative FDG PET/CT analysis

    Nuclear Medicine Communications, 2024

    DOI 10.1097/mnm.0000000000001813 PMID 38214074 4 atıf (OpenAlex) Kaynak: OpenAlex

  14. Evaluating the Role of Nrf-2/HO-1 Pathway in Glioblastoma Treatment Efficacy: A Co-Culture Study

    Clinical and Experimental Health Sciences, 2024

    DOI 10.33808/clinexphealthsci.1408641 Açık erişimli tam metinKaynak: ORCID

  15. Gastrointestinal Metastases From Lobular Breast Carcinoma: A Literature Review

    Cureus, 2024

    DOI 10.7759/cureus.65852 PMID 39219935 22 atıf (OpenAlex) Açık erişimli tam metinKaynak: OpenAlex

  16. Treatment of Metastatic Colorectal Cancer: Beyond Progression

    IntechOpen eBooks, 2024

    DOI 10.5772/intechopen.1004840 Açık erişimli tam metinKaynak: OpenAlex

  17. Long-Term Survival and Disease-Free Rates in Locoregional Anal Squamous Cell Carcinoma: An Institutional Experience

    International Journal of Hematology and Oncology, 2024

    DOI 10.4999/uhod.247673 Açık erişimli tam metinKaynak: OpenAlex

  18. Major and minor salivary gland cancers: A multicenter retrospective study

    Head & Neck, 2023

    DOI 10.1002/hed.27376 PMID 37084179 8 atıf (Europe PMC) Açık erişimli tam metinKaynak: OpenAlex

  19. Prognostic significance of mucinous histology in left‑sided metastatic colorectal cancers with wild‑type RAS and evaluation of backbone chemotherapy regimens

    Oncology Letters, 2023

    DOI 10.3892/ol.2023.13795 PMID 37123028 2 atıf (Europe PMC) Açık erişimli tam metinKaynak: OpenAlex

  20. PNI as a Potential Add-On Biomarker to Improve the IMDC Intermediate Prognostic Score

    Journal of Clinical Medicine, 2023

    DOI 10.3390/jcm12196420 PMID 37835062 3 atıf (Europe PMC) Açık erişimli tam metinKaynak: OpenAlex

  21. Prognostic Significance of Mucinous Histology in Metastatic Colorectal Cancer Patients Treated with Regorafenib

    Journal of Oncological Science, 2023

    DOI 10.37047/jos.2022-94250 Açık erişimli tam metinKaynak: ORCID

  22. Alkalen fosfataz yüksekliği ile prezente olan primeri bilinmeyen metastatik adenokarsinom: olgu sunumu

    Dspace Repository (Marmara Üniversitesi), 2023

    Kaynak: OpenAlex

  23. Prognostic significance of 18F-FDG PET/CT indices in metastatic renal cell cancer and evaluation of revised IMDC risk model by including 18F-FDG PET-CT parameters

    Acta Radiologica, 2023

    DOI 10.1177/02841851221140504 PMID 36447438 2 atıf (Europe PMC) Kaynak: ORCID

  24. SEASONAL VARIATION OF VITAMIN-D LEVELS IN THE ADULT POPULATION IN ISTANBUL/TURKEY: A POPULATION-BASED STUDY

    Sağlık Bilimlerinde İleri Araştırmalar Dergisi / Journal of Advanced Research in Health Sciences, 2023

    DOI 10.26650/jarhs2023-1293558 1 atıf (OpenAlex) Açık erişimli tam metinKaynak: OpenAlex

  25. First-line treatment of patients with HER2-positive metastatic gastric and gastroesophageal carcinoma

    Bosnian Journal of Basic Medical Sciences, 2022

    DOI 10.17305/bjbms.2021.7069 PMID 35460397 4 atıf (Europe PMC) Açık erişimli tam metinKaynak: OpenAlex

  26. Relationship between prognostic nutritional index and neutrophil lymphocyte ratio with overall survival in patients with metastatic colorectal cancer receiving regorafenib

    Journal of Cancer Research and Therapeutics, 2022

    DOI 10.4103/jcrt.jcrt_1620_21 PMID 37470607 4 atıf (Europe PMC) Açık erişimli tam metinKaynak: OpenAlex

  27. Real-world assessment of quality-of-life in patients with breast cancer treated with adjuvant endocrine therapy

    Future oncology (London, England), 2022

    DOI 10.2217/fon-2021-1322 PMID 35695547 1 atıf (Europe PMC) Açık erişimli tam metinKaynak: Europe PMC

  28. Impact of Skeletal Muscle Measurements by Chest Computed Tomography on Survival and Postoperative Complications in Patients with Soft Tissue Sarcoma

    Nutrition and Cancer, 2022

    DOI 10.1080/01635581.2022.2063349 PMID 35416100 3 atıf (Europe PMC) Açık erişimli tam metinKaynak: ORCID

  29. Predictive value of 18F-FDG PET/CT indices on extensive residual cancer burden in breast cancer patients treated with neoadjuvant chemotherapy

    Revista Espanola de Medicina Nuclear E Imagen Molecular, 2022

    DOI 10.1016/j.remn.2021.04.003 Kaynak: ORCID

  30. The Relationship between Nutritional Parameters and Thrombosis Risk in Cancer Patients

    Nutrition and Cancer, 2022

    DOI 10.1080/01635581.2021.1952631 PMID 34309454 8 atıf (Europe PMC) Kaynak: ORCID

  31. Varicella-Zoster Virus Infection and Brivudine Therapy: Unexpected Response in Sarcoma Patient

    Eurasian Journal of Medicine and Oncology, 2022

    DOI 10.14744/ejmo.2022.26330 Açık erişimli tam metinKaynak: ORCID

  32. Efficacy and Safety of Trastuzumab Emtansine in Her2 Positive Metastatic Breast Cancer: Real-World Experience

    Cancer Investigation, 2021

    DOI 10.1080/07357907.2021.1933011 PMID 34014777 10 atıf (Europe PMC) Açık erişimli tam metinKaynak: OpenAlex

  33. Enzalutamide versus Abiraterone Acetate as first-line treatment of castration resistant metastatic prostate cancer in geriatric (≥75) patients

    Journal of Men s Health, 2021

    DOI 10.31083/jomh.2021.041 5 atıf (OpenAlex) Açık erişimli tam metinKaynak: OpenAlex

  34. Factors affecting the mortality rate of patients with cancer hospitalized with COVID-19: a single center’s experience

    Journal of Chemotherapy, 2021

    DOI 10.1080/1120009x.2021.1923153 PMID 34032198 6 atıf (Europe PMC) Kaynak: OpenAlex

  35. Is early change in systemic inflammatory markers associated with treatment response in patients who received pazopanib?

    PubMed, 2021

    PMID 34761635 5 atıf (Europe PMC) Kaynak: OpenAlex

  36. Prognostic Factors for Survival in Transverse Colon Cancers

    Journal of Gastrointestinal Cancer, 2021

    DOI 10.1007/s12029-021-00675-1 PMID 34302255 3 atıf (Europe PMC) Açık erişimli tam metinKaynak: OpenAlex

  37. Skeletal muscle loss during anti-epidermal growth factor receptor therapy is an independent prognostic factor on non-small cell lung cancer patients survival.

    PubMed, 2021

    PMID 34268945 2 atıf (Europe PMC) Kaynak: OpenAlex

  38. Comparison of real-life data from patients with NGS panel negative and KRAS mutation positive metastatic lung adenocarcinoma

    Tumori Journal, 2021

    DOI 10.1177/0300891621996448 PMID 33624577 2 atıf (Europe PMC) Kaynak: OpenAlex

  39. Real-life data on first-line Sunitinib and Pazopanib therapy in metastatic renal cell carcinoma patients: a single center experience.

    PubMed, 2021

    PMID 34565028 2 atıf (Europe PMC) Kaynak: OpenAlex

  40. The relation between tissue galectin-3 level and platinum resistance in neoadjuvant bladder cancer treatment.

    PubMed, 2021

    PMID 34268970 Kaynak: OpenAlex

  41. Prognostic factors in patients with metastatic urothelial carcinoma who have treated with Atezolizumab

    International Journal of Clinical Oncology, 2021

    DOI 10.1007/s10147-021-01936-6 PMID 34023933 14 atıf (Europe PMC) Kaynak: ORCID

  42. Onkolojik Aciller

    Akademisyen Kitabevi eBooks, 2021

    DOI 10.37609/akya.243 Kaynak: OpenAlex

  43. Predictive value of 18F-FDG PET/CT indices on extensive residual cancer burden in breast cancer patients treated with neoadjuvant chemotherapy

    Revista Española de Medicina Nuclear e Imagen Molecular (English Edition), 2021

    DOI 10.1016/j.remnie.2021.05.007 PMID 35577492 4 atıf (OpenAlex) Açık erişimli tam metinKaynak: OpenAlex

  44. Author`s Reply

    Anatolian journal of cardiology, 2021

    Kaynak: ORCID

  45. Breast, ovarian and other site cancer patients with BRCA 1/2 mutations: Data from Turkish multicenter retrospective study

    Journal of B.U.ON., 2021

    Kaynak: ORCID

  46. Comparative assessment of three different second-line regimens in chemotherapy resistant/refractory small-cell lung cancer

    Journal of B.U.ON., 2021

    PMID 33721436 1 atıf (OpenAlex) Kaynak: ORCID

  47. Perioperative myocardial damage and the incidence of type 2 myocardial infarction in patients with intermediate and high cardiovascular risk

    Anatolian Journal of Cardiology, 2021

    DOI 10.14744/anatoljcardiol.2020.45752 PMID 33583815 2 atıf (Europe PMC) Açık erişimli tam metinKaynak: ORCID

  48. The association between post-progression survival and clinical characteristics of patients with metastatic colon cancer: A single center experience

    Journal of B.U.ON., 2021

    PMID 34761596 Kaynak: ORCID

  49. Association of response to first-line chemotherapy with the efficacy of atezolizumab in patients with metastatic urothelial carcinoma.

    Journal of Clinical Oncology, 2021

    DOI 10.1200/jco.2021.39.6_suppl.409 1 atıf (OpenAlex) Kaynak: OpenAlex

  50. Carefulness is important when analyzing epidemiological data Reply

    2021

    Kaynak: OpenAlex