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Max Niyazi Profile picture
Max Niyazi
@MaxNiyazi
Mar 3, 2022 • 4 tweets • 3 min read
CCA - differentiation of reactive lesions from progressive ones following cranial radiotherapy - a thread 1/n

➡️ primary & secondary brain tumors (glioblastoma/brain mets)
➡️ after high dose radiotherapy
➡️ N=33, prospective confirmatory study

authors.elsevier.com/sd/article/S20… ➡️unclear findings on conventional MRI (psPD/RN vs PD)
➡️contrast clearance analysis with 1 h delayed CE MRI, images were substracted from each other
➡️ histopath confirmation
➡️ overall accuracy very high (84%)
➡️ subgroup of secondary tumors with high benefit (accuracy 94%!)