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Histological examination of intervertebral disc specimens is cost beneficial only if there is a significant preoperative clinical diagnosis.

Nephrogenic adenoma of the urinary bladder and urethra is an uncommon benign lesion of the urinary epithelium that can cytologically and histologically mimic malignancy. We report on the cytologic findings of a case of nephrogenic adenoma of the urethra that mimicked malignancy in an 84‐yr‐old woman. The differential diagnosis of this problematic lesion is discussed, and the literature describing the cytologic features is reviewed. Diagn. Cytopathol. 2000;22:49–51. © 2000 Wiley‐Liss, Inc.