Nephrogenic Adenoma Does Not Express NKX3.1

Abstract

Nephrogenic adenoma of the urinary tract is a benign lesion that is frequently associated with urothelial injury or inflammation. It is reported in virtually all urothelial lined sites, but is most commonly found in the urinary bladder (75-80%) and the urethra (12%), including the prostatic urethra.^1,2 When identified in this latter site, it may be confused with prostatic adenocarcinoma because of its pseudo-infiltrative small gland-like pattern of growth.

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