PMC2729294_01
(a) Papillary fronds with delicate fibrovascular core (H&E, X20); (b) border of villous adenoma with squamous epithelium in the urethral diverticulum (H&E, X40); (c) columnar epithelium with abundant goblet cells demonstrating nuclear stratification, surface mitotic figures and loss of polarity (H&E, X100); (d) abundant mitosis, including atypical forms (H&E, X400).
CRM2009-361212.001.jpg
PMC2729294_01_CRM2009-361212.001.jpg
fig1
The cells demonstrated nuclear stratification, crowding, hyperchromasia, prominent nucleoli, and abundant mitoses, including atypical forms, interpreted as villous adenoma with high-grade dysplasia (Figures 1(a)-1(d)).