Fine Needle Aspiration Biopsy of the Penis: Transitional Cell Carcinoma of the Urinary Bladder with Mucinous Differentiation |
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| Authors: | Ming Guo Luciano B. Lemos Mithra Baliga Jackson E. Fowler Jr |
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| Affiliation: | aDepartment of Pathology, the University of Mississippi Medical Center, Jackson, Mississippi, USA;bDepartment of Surgery, the University of Mississippi Medical Center, Jackson, Mississippi, USA |
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| Abstract: | ![]()
We report a case of transitional cell carcinoma of the urinary bladder metastatic to the penis. The diagnosis was established by fine needle aspiration biopsy (FNAB). Malignant cells showed mucinous differentiation. Ancillary studies carried out in the FNA material as well as in the primary bladder carcinoma suggested transitional cell carcinoma with mucinous differentiation. FNAB proved to be effective in diagnosing a secondary neoplasm to the penis. Mucoid differentiation of urothelial cells can be seen in FNAB specimens and might pose a problem in differential diagnosis. |
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| Keywords: | transitional cell carcinoma bladder tumor penis tumor |
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