Dosimetric evaluation and clinical feasibility of Halcyon-E O-ring linear accelerator for single fraction coplanar stereotactic radiosurgery.

Tanweer Shahid¹, Biplab Sarkar², Subhra Singdha Biswal¹, Kirubha George¹, Jibak Bhattacharya¹, Arundhati De¹, Litan Naha Biswas¹, Prasenjit Chatterjee¹, Animesh Saha¹, Suchanda Goswami¹, Suparna Ghosh Ray¹, Tanmoy Mukhopadhyay¹, Subrata Saha¹, Anusheel Munshi³, Soumita Podder⁴, Pallab Sarkar⁵, Souvik Sengupta⁶, Luca Cozzi⁷, Sushil Beriwal⁸

¹Department of Radiation Oncology, Apollo Multispeciality Hospitals, Kolkata, India.

²Department of Radiation Oncology, Apollo Multispeciality Hospitals, Kolkata, India. Electronic address: biplabphy@gmail.com.

³Max Super Speciality Hospital, Delhi, New Delhi, India.

⁴Department of Radiotherapy, Murshidabad Medical College, India.

⁵City College, Kolkata, India.

⁶Department of CSE, Aliah University, Kolkata, India.

⁷Radiotherapy and Radiosurgery Department, IRCCS Humanitas Research Hospital, Rozzano, Milan, Italy; Varian Medical Systems Italia, Milan, Italy.

⁸Siemens Healthineers AG, Germany; Academic chief Allegheny health network, Pittsburgh, USA.

PubMed DOI

Abstract

AIM: This study aimed to evaluate the Halcyon-E O-ring gantry linear accelerator, which lacks non-coplanar beam delivery capability, for single-fraction stereotactic radiosurgery (SRS). The validation process consisted of three steps: dosimetric analysis, clinical evaluation, and patient-specific quality assurance, along with a comparative analysis with plans generated on a C-arm linear accelerato…

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