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  Indian J Med Microbiol
 

Figure 1: Case 1 (a) Intact urothelial lining epithelium with a spindle cell tumor (H and E stain ×40). (b) Cells are oval-to-spindle shaped with blunt ended nuclei, coarse chromatin (H and E stain ×400); inset shows strong diffuse cytoplasmic positivity for vimentin (IHC : Vimentin ×400). (c) Urine cytology shows discreet population of spindle cells in a highly cellular smear (Pap stain x100). (d) The tumor cells show moderate pleomorphism and oval-to-spindle shaped cells (Pap stain x400)

Figure 1: Case 1 (a) Intact urothelial lining epithelium with a spindle cell tumor (H and E stain ×40). (b) Cells are oval-to-spindle shaped with blunt ended nuclei, coarse chromatin (H and E stain ×400); inset shows strong diffuse cytoplasmic positivity for vimentin (IHC : Vimentin ×400). (c) Urine cytology shows discreet population of spindle cells in a highly cellular smear (Pap stain x100). (d) The tumor cells show moderate pleomorphism and oval-to-spindle shaped cells (Pap stain x400)