Aspiration Cytology in Urological Oncology—the Urologist’s Viewpoint
Aspiration cytology is a diagnostic technique which should become a part of the armamentarium of every practising urologist. The contributors to this timely volume exhaustively address the topic of aspiration cytology in the diagnosis and staging of urological malignancy. Their chapters adequately document that aspiration cytology not only has a role in the diagnosis of the primary urological malignancies but also has a specific role in determining the extent of spread without resorting to open surgical exploration. The data presented herein and the data which have accumulated elsewhere indicate that aspiration cytology: (1) is highly reliable when there is an acceptably low incidence of false positive results, (2) has been proved as safe as open surgical biopsy and (3) has a reasonably high yield with few false negative results. It may be instructive to examine the three specific areas in which aspiration biopsy has proved most valuable to the urological surgeon: the confirmation of questionable renal mass lesions, the diagnosis of prostatic adenocarcinoma and the determination of the spread of metastatic disease.
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