Hi, Task1 of BraTS 2021 comprises 1251 subjects based on the zip file I have. The email I have got says, "BraTS 2021 celebrates its 10-year anniversary, and makes the largest ever curated brain tumor dataset available, comprising of 8,000 mpMRI scans". Could you say a bit more about this? Thanks Saruar

Created by Saruar Alam saruarlive
Hi Saruar. the response given by @Alxaline is correct, i.e., 2000 cases * 4 scans = 8000 scans. I hope this clarifies. Cheers, Spyros (on behalf of the BraTS organizing committee)
Hello, The BraTS 2021 data includes 2,000 cases (8,000 mpMRI scans). 8000 = 2000 x 4 (T1, T1ce, T2, Flair) Otherwise for the 749 missing cases they are in my opinion included for the validation and test phase. An organizer of the challenge can confirm this hypothesis. Alxaline

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