Figure 2.
(a) Urine cytology demonstrates a cluster of atypical lymphoid cells. (b) Biopsy of bladder tumour showing infiltration of the transitional epithelium and lamina propria by atypical B lymphocytes (CD20 positive on immunohistochemistry).
Official websites use .gov
A
.gov website belongs to an official
government organization in the United States.
Secure .gov websites use HTTPS
A lock (
) or https:// means you've safely
connected to the .gov website. Share sensitive
information only on official, secure websites.