Abstract
Preoperative diagnosis in liquid-based cytology preparation in voided urine specimen and cyto-histologic correlation of small cell carcinoma of the urinary bladder has not been described in detail in the literature. A 79-year old male presented at our institution with gross hematuria. He was accurately diagnosed with small cell carcinoma of the bladder on liquid-based cytology in urine. The patient subsequently proceeded to transurethral resection of the bladder tumor, confirming the diagnosis. In this article, we present a detailed report of primary urothelial carcinoma with dominant neuroendocrine differentiation of the bladder describing the cytologic and histologic morphologic features, its differential diagnosis with a review of the literature.
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