Detection of aneuploidy changes associated urothelial carcinoma involving the bladder or upper urinary tract
Voided urine specimens should be clean catch
Submit entire specimen
The addition of a preservative is necessary if a delay in transport may occur. Acceptable preservatives include: 70% ethanol, Carbowax, PreservCyt, CytoLyt, Cytorich Red or Clear, PreservCyt.
Screw cap plastic container (sterile)
Ambient - 24 hours
Refrigerate if not sending the same day.
Fluorescence in situ hybridization (FISH)
Polysomy, Homozygous 9p21 Loss, Tetraploidy, Negative