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 # PROSTATEx_masks
-Lesion masks 
+
+Lesion masks for the PROSTATEx dataset (https://wiki.cancerimagingarchive.net/display/Public/SPIE-AAPM-NCI+PROSTATEx+Challenges).
+The PROSTATEx dataset comprises prostate MRI exams with PI-RADS score = 2+ lesions. These are classified as clinically significant or not. Only PI-RADS score = 3+ underwent biopsy and are collected in the PROSTATEx 2 dataset, together with the resulting bioptic lesion Gleason Grade.
+The original dataset only provided lesion coordinates and an accompanying screenshot for each finding, with several issues due to misplaced coordinates or not clearly identifiable PI-RADS score = 2 lesions. This repository contains the result of a lesion-by-lesion quality check conducted at the Department of Advanced Biomedical Sciences of the University of Naples "Federico II", in the form of lesion masks on axial T2-weighted and ADC images for all correctly identifiable findings in the PROSTATEx/PROSTATEx training dataset. As the ground truth was not available for the test sets, the same quality check was not performed on that data.
+We encourage the use of this data for radiomics and machine learning investigations in magnetic resonance imaging for prostate cancer, appropriately referencing the repository.