Case 4
65 v. nainen. Virtsarakossa epätyypillinen tuumori, jonka biopsianäytteistä hiljattain vastattu LMP (low malignant potential urothelial neoplasm). Nyt höylätty tuumorista lastuja näytteeksi.
Diffuse large B-cell lymphoma (centroblastic)
Note: Tumor cells are CD20 +, CD3 -, CD10+, bcl6+. There are reactive changes in the urothelium. Previous biopsies only contained urothelium, therefore the diagnosis of LMP.
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