Accès ouvert
2026
article
OpenAlex
Gamze Beydağı, Nalan Alan Selçuk, Kaan Akçay, Ayşegül Görmez et autres
Objectives: F-FDG PET/CT has low sensitivity. Methods: ) of primary tumors and metastases were recorded for both tracers and compared using paired t-tests. Results: in primary lesions and metastases (p<0.05). Conclusion: F-FDG-avid subtypes-supporting its potential role in clinical decision-making and treatment planning.
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2026
article
OpenAlex
Ezgi Çoban, Murat Sarı, Serkan Çelik, Bala Başak Öven
Background Systemic anticancer therapy (SAT) near the end of life is an indicator of potentially aggressive cancer care. Although patient-level prognostic factors have been studied, the role of treatment escalation within hospital-centered oncology models remains insufficiently understood. This study evaluated late-stage SAT …
tr
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Accès ouvert
2025
preprint
OpenAlex
Nalan Alan Selçuk, Gamze Beydağı, Kaan Akçay, Ayşegül Görmez et autres
tr
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Accès ouvert
2025
article
OpenAlex
Nalan Alan Selçuk, Gamze Beydağı, Kaan Akçay, Emre E. Demirci et autres
Impact of 68 Ga-FAPi PET/CT on Staging or Restaging Digestive System Tumors in Patients with Negative or Equivocal 18 F-FDG PET/CT Findings Negatif veya Şüpheli 18 F-FDG PET/BT Bulguları olan Digestif Sistem Tümörlü Olguların Evrelenmesi ve Yeniden Evrelenmesinde 68 Ga-FAPi PET/BT'nin rolü
tr, us
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2025
book-chapter
OpenAlex
Oğuzcan Kınıkoğlu, Serkan Çelik
Accès ouvert
2024
article
OpenAlex
Ebru Karcı, Ahmet Erkan Bilici, Buket Bayram, Melisa Celayir et autres
Background/Objectives: Following the results of the phase 3 KEYNOTE-522 trial, the U.S. Food and Drug Administration approved pembrolizumab, a humanized IgG4 kappa monoclonal antibody, in combination with neoadjuvant chemotherapy as a new standard of care for high-risk early-stage triple-negative breast cancer (TNBC). …
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Accès ouvert
2024
article
OpenAlex
Oğuzcan Kınıkoğlu, Bala Başak Öven Ustaalıoğlu, Serkan Çelik, Nalan Alan Selçuk et autres
Background: The combination of Lutetium-177 (Lu-177) PSMA-617 radioligand therapy (RLT) with androgen receptor pathway inhibitors (ARPIs) has shown promise in metastatic castration-resistant prostate cancer (mCRPC). However, real-world data on the efficacy and safety of this combination are limited. This study aimed to …
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2024
article
OpenAlex
Serkan Çelik, Gözde Tomris
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2024
conference-abstract
OpenAlex
Duaa Kanan, Tarek Kanan, Serkan Çelik, Ezgi Hacıhasanoğlu et autres
e14611 Background: Expression of programmed cell death ligand 1 (PD-L1) in non-small cell lung cancer (NSCLC) has often been measured by the Tumor Proportion Score (TPS) (1). Recently, the Combined Positive Score (CPS), which evaluates PD-L1 expression in tumor and inflammatory cells …
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Accès ouvert
2024
article
OpenAlex
Duaa Kanan, Şebnem Safi, Tarek Kanan, Serkan Çelik et autres
Adult gliomas vary significantly in terms of their genetics, epigenetics, phenotypes as well as clinical outcomes1. Optimal tumor classification that leads to more precise diagnoses, and which influences therapy selection is hence critically important. Targeted next-generation sequencing (NGS) is a highly reliable …
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Accès ouvert
2024
article
OpenAlex
Nalan Alan Selçuk, Kaan Akçay, Gamze Beydağı, Ömer Sönmez et autres
Neuroendocrine tumors (NETs) of the breast represent 1% of breast carcinomas. Histopathological misinterpretation of breast NET is common. We present the case of a female patient who had a breast mass diagnosed as invasive ductal carcinoma initially by histopathological examination. Fluorodeoxyglucose positron …
tr
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Accès ouvert
2023
article
OpenAlex
Nalan Alan Selçuk, Gamze Beydağı, Emre E. Demirci, Meltem Ocak et autres
For patients with advanced-stage metastatic castration-resistant prostate cancer (mCRPC) who do not respond to [177Lu]Lu-PSMA therapy, there are limited treatment options. Clinical results obtained with [225Ac]Ac-PSMA are promising. We retrospectively analyzed the outcomes of patients treated with [225Ac]Ac-PSMA between December 2018 and …
tr, us
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