Dear @BraTS2023Participants , If you are planning to participate in the **BraTS 2023 Meningioma Challenge**, there have been minor mask/segmentation fixes for approximately 10-15 cases in the training dataset. As of 06 July 2023, the [full training dataset](syn51514055) for the BraTS 2023 Meningioma Challenge has been corrected and updated. You may use the following checksums to verify the version of your training data: **File Name** | **Version** | **md5sum** ASNR-MICCAI-BraTS2023-MEN-Challenge-TrainingData.zip | v3 (corrected ~10-15 cases) | 96de39aceab975e36b245034dc7f5b25 ASNR-MICCAI-BraTS2023-MEN-Challenge-TrainingData.zip | v2 (corrected 47 cases) | 9cc9ad1b8946a91d926b16585c301b78 ASNR-MICCAI-BraTS2023-MEN-Challenge-TrainingData.zip | v1 (old) | 0c9f826f7d70b31b8cc2a92e236e69e1 --- ### **Full Changelog** * **06 July 2023** Minor mask/segmentation fixes for approximately 10-15 cases in the training dataset. * **16 June 2023** Origin fixes for 47 cases in the training dataset. Thank you to challenge participant, tianyiren, for bringing the [original issue](https://www.synapse.org/#!Synapse:syn51156910/discussion/threadId=10248) to our attention! Individual fixes for the 47 cases are available in [BraTS-MEN-TRAIN-FIX-V4.zip](syn51718026). You may download this and replace the 47 cases in your training data. --- If you have any questions, please reply to this thread. Lead MEN organizer: @ecalabr

Created by Verena Chung vchung
You can use both. The first 5 digits (01435 in this case) is a patient level identifier and the last 3 digits are the exam level identifier. 000 and 001 are two different exams from the same patient.
hello?I have downloaded the dataset and noticed that there are two folders for case 1435, one is 000 and the other is 001. Which folder should I use?hope for your reply

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