Nikolaos Tselis

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About

Nikolaos Tselis is a leading figure in radiation oncology, with a research focus on stereotactic radiotherapy and brachytherapy for both prostate cancer and intracranial tumors. His work is distinguished by rigorous comparative analyses that directly inform clinical practice. In a key 2020 study, Tselis conducted a real-world dosimetric comparison between CyberKnife SBRT and HDR brachytherapy for prostate cancer, a paper that has garnered 16 citations and provides crucial data for treatment planning. He has also made significant contributions to the management of complex brainstem metastases, demonstrating the efficacy and safety of robotic-based fractionated stereotactic radiotherapy (FSRT) in a 2022 study. This work addresses a critical gap in treating large, challenging lesions, offering a viable salvage option. Tselis’s research is characterized by its direct clinical applicability, helping to refine dose delivery and expand treatment options for patients with both prostate and central nervous system malignancies. His work continues to shape evidence-based protocols in stereotactic radiosurgery.