142 images 18 classes
Atypia Atypical cells Cytoplasm Fragmented cells High grade carcinoma Increased thickness Mitotic nuclei Normal urothelium in biopsy Slightly enlarged nuclei Umbrella cells fat cells flat carcinoma-in-situ low grade papillary urothelial neoplasm muscle layer papillary urothelial tumor tumor cells invading the bladder tumor invading the bladder tumor invading the bladder mucosa