PMC full text:
Published online 2020 Jun 8. doi: 10.17179/excli2019-2069
Figure 1
The original microscopic images for histology results of prostate. Grade 0: Normal epithelium. Grade 1: hyperplasia; Simple flat lesions. Grade 2: hyperplasia; Papillary or cribriform structures. Grade 3: hyperplasia; Papillary or cribriform lesions which protrude into lumen. Grade 4: adenoma; Lesions in which the lumen of acinus is completely filled with epithelium. Grade 5: adenoma; Lesion with a distinct epithelial mass within the lumen. Grade 6: adenocarcinoma, unwell differentiated epithelium with local invasion seems in the lesion.