International Stereotactic Radiosurgery Society

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The ISRS webinar series began in 2016. We have already delivered over 60 webinars on intracranial and body SRS and from experts around around the world.

A video replay of each past webinar is available to ISRS members.

Next Webinars

October 01, 2019

SRT for Cancers of Digestive System by Alexandr PANKRATOV, MD, Professor

1:00 pm (Dublin, Edinburgh, Lisbon, London) - 2:00 pm CET (Amsterdam, Berlin, Bern, Paris, Rome, Stockholm, Vienna) - 8:00 am (Eastern time - New York, Canada) - 9:00 am (Brasilia) - 9:00 pm (Tokyo) - 5:00 am (Pacific time - Los Angeles) - 10:00 pm (Brisbane)

The effectiveness of radiation therapy for esophageal cancer is still insufficient. Why? The role of radiation therapy for gastric cancer is often in doubt. Radiation therapy for rectal cancer is effective, but there are nuances. Are we doing everything right? We will try to find the answers to these and other questions about radiotherapy of gastrointestinal cancer in this webinar.

November 20, 2019

MR Imaging Techniques for SRS by Herwin SPECKTER, Medical Physicist

1:00 pm (Dublin, Edinburgh, Lisbon, London) - 2:00 pm CET (Amsterdam, Berlin, Bern, Paris, Rome, Stockholm, Vienna) - 8:00 am (Eastern time - New York, Canada) - 9:00 am (Brasilia) - 9:00 pm (Tokyo) - 5:00 am (Pacific time - Los Angeles) - 10:00 pm (Brisbane)

Imaging for SRS can be more demanding compared to conventional diagnostic imaging. In SRS, high-quality imaging is crucial for the identification and contouring of both lesions and organs at risk. SRS requires high geometric accuracy in order to treat successfully and safely, delivering large doses of radiation with the characteristic steep dose gradient. Imaging can provide additional information about tissue classification, prediction of volumetric control after treatment, and is important in follow up. Topics that will be covered in the talk: MR Hardware tendencies, geometric accuracy, MR-CT coregistration, modern MR sequences, image postprocessing, prediction of volumetric control after SRS, and future directions.

December 11, 2019

Radiosurgery of Intracranial Extraaxial Malignancies by Yoshimasa MORI, MD, DMSc, IFAANS

1:00 pm (Dublin, Edinburgh, Lisbon, London) - 2:00 pm CET (Amsterdam, Berlin, Bern, Paris, Rome, Stockholm, Vienna) - 8:00 am (Eastern time - New York, Canada) - 9:00 am (Brasilia) - 9:00 pm (Tokyo) - 5:00 am (Pacific time - Los Angeles) - 10:00 pm (Brisbane)

The role of radiosurgery for extraaxial malignancies including chordoma, paraganglioma, non-benign meningioma, hemangiopericytoma, skull-base malignant tumors, and skull-base metastases will be presented.