Abstract #3141

Role of MRI Texture Analysis in Differentiating Post-treatment Changes from Tumour Recurrence in Patients with High Grade Glioma

Fahad Essbaiheem¹, Rebecca Thornhill¹, Gregory Cron^1,2, John Woulfe¹, Mario Kontolemos¹, Beckie Manouchehri³, Nader Zakhari¹, Andrew Boivin⁴, and Thanh Binh Nguyen¹

¹The Ottawa Hospital, Ottawa, ON, Canada, ²University of Ottawa, Ottawa, ON, Canada, ³Carleton University, Ottawa, ON, Canada, ⁴University of British Columbia, Kelowna, BC, Canada

In this prospective study, we have identified a combination of textural features from contrast-enhanced T1-weighted images which can help in differentiating tumour recurrence from post-treatment changes in patients with high grade gliomas. The diagnostic accuracy of textural analysis was similar or slightly higher than that of two neuroradiologists who performed visual assessment.

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