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Case 21
Authors: Chris Gilbert, MD and Walid E. Khalbuss, MD PhD, University of Pittsburgh School of Medicine.

Reviewer: Dr Laura Tabatabai, Assistant Professor of Pathology, University of California San Francisco, USA

Voided urine in an 82 year old man with a history of hematuria.

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Fig. 1: Thin Prep, 100X
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Fig. 2: Thin Prep, 200X
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Fig. 3: Thin Prep, 200X
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Fig. 4: Thin Prep, 200X
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Fig. 5: Thin Prep, 400X
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Fig. 6: Thin Prep, 400X

What is the best diagnosis?