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Difference between revisions of "Urine cytopathology"
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==Human polyoma infection== | ==Human polyoma infection== | ||
===General=== | ===General=== | ||
*Caused by ''Human polyoma virus'', AKA ''BK virus''.<ref>APBR | *Caused by ''Human polyoma virus'', AKA ''BK virus''.<ref>{{Ref APBR|681 (Q26)}}</ref> | ||
*Associated with immunosuppression/immunodeficiency. | *Associated with immunosuppression/immunodeficiency. | ||
*BK virus related to JC virus. | *BK virus related to JC virus. | ||
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===Cytology=== | ===Cytology=== | ||
Features:<ref>APBR | Features:<ref>{{Ref APBR|681-2 (Q26)}}</ref><ref>SB. 27 January 2010.</ref> | ||
*"Decoy cells": | *"Decoy cells": | ||
**Usually 2x the size of a normal urothelial cell nucleus. | **Usually 2x the size of a normal urothelial cell nucleus. | ||
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===Cytology=== | ===Cytology=== | ||
Features:<ref>APBR | Features:<ref>{{Ref APBR|682}}</ref> | ||
#"Large nuclei" (3-4X the size of a normal urothelial cell) - '''low power''' feature. | #"Large nuclei" (3-4X the size of a normal urothelial cell) - '''low power''' feature. | ||
#*These are not required for the diagnosis.<ref>SM. 12 January 2010.</ref> - | #*These are not required for the diagnosis.<ref>SM. 12 January 2010.</ref> - | ||