von Brunn's nests

von Brunn's nests

groups of proliferating urinary tract mucosal cells isolated in the urinary tract submucosa.
References in periodicals archive ?
This variant of urothelial bladder cancer often resembles clinical and histological features of inverted papilloma, von Brunn's nests (VBNs), cystitis cystica, nephrogenic metaplasia and sometimes usual TCC.