Triage
- Check radiology reports and previous biopsies for tumor location.
- Weigh and measure specimen in 3 dimensions.
- Measure length and diameter of attached ureter and/or bladder cuff.
- Ink:
- 1st color: entire outer surface of the ureter/bladder cuff except the distal 1-2mm, and the outer surface of the kidney adjacent to tumor mass.
- 2nd color: outer surface of the distal 1-2mm of the ureter or periphery of bladder cuff (ie, the distal margin) such that the true margin can be oriented under the scope after sections are taken.
- Open the entire ureter longitudinally to examine for lesions.
- Take margins (VERIFY ANATOMY AND SECTIONS WITH PA AS NEEDED):
- Amputate the distal centimetre of the ureter/bladder cuff, and take perpendicular (radial) sections of the entire circumferential margin.
- Identify renal vessels at the hilum, and take circumferential en face sections of the artery/arteries and vein.
- If there is only ureter, ink proximal and distal margins as above and take perpendicular circumferential sections.
- Save all in cassettes for grossing day.
- Bisect the kidney through renal hilum and surrounding perinephric fat and examine for lesions in renal pelvis, major or minor calyces or ureteropelvic junction.
- Measure kidney, including cortical thickness.
- Check for hilar lymph nodes and save in cassettes.
- Identify and measure adrenal gland, if present.
- Photograph representative tumor.
- If kidney is large, consider serially sectioning each half perpendicular to the long axis to aid fixation.
Gross
- Serially section each half of the kidney along the long axis.
- Examine and describe:
- how much of the renal pelvis mucosa is involved by tumor
- extension of tumor into renal sinus adipose tissue or renal parenchyma
- extension of tumor into perinephric adipose tissue and inked external soft tissue margin (Gerota’s fascia)
- For ureter segments: section ureter and examine for deepest extension of the tumor (subepithelial, lamina propria, periureteral adipose tissue) and for involvement of inked external soft tissue margin.
- Take representative sections of tumor (1 per cm), including its association with renal sinus fat, renal parenchyma, perinephric fat, nearest peripheral soft tissue margins (at kidney and within ureter).
- Take representative upper, middle, and lower thirds of ureter, even if grossly uninvolved by tumor.
- Take representative uninvolved renal parenchyma (add PAS-nephrectomy stain to this block).