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Why the whole ureter and a bladder cuff come out | CION Cancer Clinics
The lining of the kidney, the ureter and the bladder is one continuous sheet, and upper tract cancer grows in that sheet. If a stump of ureter is left behind, cancer often returns in it, and a stump cannot be seen with a telescope or filled on a scan. So the whole ureter is taken, with a small cuff of bladder wall where it enters. The rest of the bladder stays and works as before. CION Cancer Clinics’ surgical oncologists in Hyderabad can talk this through with you.
MI
Medically reviewed by Dr. Mohammed ImaduddinConsultant Surgical Oncologist · MBBS, MS (General Surgery), MCh (Surgical Oncology) · last reviewed September 2026, next review due September 2027
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On this page
- Why is the bladder cuff removed with the kidney and ureter?
- Four reasons the whole length goes
- How does the surgeon take the cuff?
- Four things families worry about, and what is actually true
- Which words will you see, and what do they mean?
- Who does this not apply to, and what can this page not tell you?
- Common questions about the bladder cuff
The short answer
Why is the bladder cuff removed with the kidney and ureter?
The bladder cuff comes out because the last stretch of the ureter runs inside the bladder wall, and a tumour can sit in that stretch. Taking a small ring of bladder around the opening is the only way to be sure the whole ureter has gone and nothing has been left behind.
One lining, one disease
The inside of the kidney, the ureter and the bladder are all covered by the same lining, called the urothelium. Upper tract cancer grows in that lining. The changes that let a tumour start in the kidney are often present along the whole sheet, so a second tumour can appear anywhere downstream. Removing the entire length on that side, cuff included, takes away every part of the lining that shares those changes.
What happened when stumps were left
In the early years of this operation surgeons sometimes removed the kidney and the upper ureter only. Cancer came back in the leftover stump often enough, and was hard enough to find, that taking the full length with a cuff of bladder became the standard.
This page explains why the cuff goes. It cannot tell you whether this operation is right for you. That is a decision for your treating team.The reasoning
Four reasons the whole length goes
Each reason on its own would be enough.
The lining is one sheet
There is no natural border between the ureter and the bladder wall. Cutting the ureter short leaves lining that belongs to the same field as the tumour, with the same chance of turning.
Urine carries cells downstream
Loose cancer cells shed from the kidney travel with the urine and can settle lower down. The lowest part of the ureter, just before the bladder, is exactly where they pass through last.
A stump cannot be checked
After the kidney has gone, no urine flows through a leftover ureter. It closes down, cannot be filled for a scan, and a telescope cannot get into it. A tumour in a stump is usually found late.
Compare with the bladder
- Easy to look into with a telescope
- Checked at every follow-up visit
The cuff hides the last stretch
The ureter runs at an angle through the bladder wall before it opens inside. That tunnel is part of the ureter, and it cannot be removed without taking the bladder wall around it.
Your pathology report may call this the intramural ureter.Not sure whether this applies to you?
Ask an oncologistIn the theatre
How does the surgeon take the cuff?
Reaching the lower ureter
Once the kidney is free, the surgeon follows the ureter down into the pelvis, through the same keyhole ports or open cut, until the bladder comes into view.
Freeing the last stretch
The ureter is lifted away from the tissue around it right up to where it enters the bladder wall. The ureter from the other kidney enters close by and is protected.
Cutting the cuff
A small ring of bladder wall around the ureter opening is cut out with the ureter still attached, so the whole specimen leaves in one piece. Some surgeons do this part from inside, with a telescope through the urethra, before the kidney is started.
Closing the bladder
The hole in the bladder is closed with stitches or staples in one or two layers. It is a small repair, and the bladder keeps its size.
Resting the repair
A catheter drains the bladder so the stitches are not stretched while they heal. Some centres check the repair with a dye X-ray before the catheter comes out.
Commonly believed
Four things families worry about, and what is actually true
"They are cutting the bladder, so he will leak urine afterwards."
The cuff is taken from the top part of the bladder wall, well away from the muscle ring that holds urine in. Bladder control is not expected to change. Leaking after the catheter comes out is uncommon and usually settles.
"The bladder will be smaller and she will need to go more often."
The ring removed is small compared with the whole bladder, and the bladder stretches back to its usual capacity once it heals. Passing urine more often in the first weeks is common and comes from irritation, not from lost size.
"The stump can simply be watched with scans."
A leftover ureter closes down once no urine flows through it. It does not fill on a scan and a telescope cannot reach it. A tumour there tends to be found only when it has grown.
"Keyhole surgeons cannot remove the cuff properly."
The cuff can be taken through keyhole ports, through a small open cut low in the abdomen, or from inside with a telescope. What matters is that the whole ureter and a ring of bladder come out.
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On your report
Which words will you see, and what do they mean?
- Bladder cuff
- The ring of bladder wall removed around the ureter opening. Also written as a cuff of bladder.
- Intramural ureter
- The part of the ureter that runs inside the bladder wall. It comes out with the cuff.
- Ureteric orifice
- The opening where the ureter empties into the bladder. There is one on each side.
- Distal margin
- The cut edge at the bladder end of the specimen. Clear means no cancer cells were found there.
- Field change
- The idea that the whole lining shares the changes that let the tumour start, so new tumours can appear elsewhere in it.
- Cystoscopy
- Looking inside the bladder with a thin telescope. This is how the bladder is checked at follow-up visits after the operation.
Did you know
The cuff can be removed from outside, through the surgical cut, or from inside the bladder with a telescope passed through the urethra before the kidney part begins. Both aim at the same result: no ureter left behind.
Being straight with you
Who does this not apply to, and what can this page not tell you?
Not everyone with an upper tract tumour has the whole ureter removed. If the kidney is being kept, because the tumour is small and low grade or because you have only one working kidney, the surgeon removes only the affected segment and rejoins the ureter. For a tumour low in the ureter, that segment plus a bladder cuff can be removed and the ureter stitched back into the bladder higher up.
The cuff does not settle the bladder question
Removing the cuff deals with the ureter. It does not stop a new tumour appearing elsewhere in the bladder later, which happens to a sizeable minority of people after this operation because the bladder lining is part of the same field. That is why regular telescope checks of the bladder are part of every follow-up plan.
What to ask your surgeon
Ask how they plan to take the cuff. Ask how long the catheter will stay and whether the repair will be checked with an X-ray. Ask when the first bladder check after surgery will be, and whether a single dose of chemotherapy into the bladder is being considered to lower the chance of a new bladder tumour.
The pathology report on the removed cuff and ureter arrives after surgery and shapes what happens next.Questions we are asked
Common questions about the bladder cuff
Will removing part of my bladder make me leak urine?
It is not expected to. The cuff comes from the back and top of the bladder, away from the muscle ring at the outlet that holds urine in. Once the catheter is out, most people pass urine as they did before. Tell your team if leaking or burning continues.
Will my bladder be smaller afterwards?
Only a small ring is removed, and the bladder stretches back to its usual size as it heals. Needing to pass urine more often in the early weeks is common and comes from irritation and the catheter, not from lost capacity. It usually settles on its own.
Why not remove the ureter and leave the bladder untouched?
Because the final part of the ureter runs inside the bladder wall. Cutting the ureter outside the bladder always leaves that tunnel behind, and a tumour there cannot be seen or reached later. Taking a cuff of bladder is the only way to remove that last stretch.
How long will the catheter stay in?
Usually about a week, sometimes a little longer, so the stitched bladder is not stretched while it heals. Some centres do a dye X-ray of the bladder first to confirm the repair is watertight. You may go home with the catheter in and return to have it removed.
Can the cancer still come back in the bladder?
Yes. A new tumour in the bladder is the most common place for this cancer to reappear, because the bladder lining is part of the same sheet. That is why a telescope check of the bladder is booked regularly after surgery. Found early, a bladder tumour is usually treated through the telescope.
My surgeon mentioned doing the cuff from inside first. Is that normal?
Yes. Some surgeons free the ureter opening from inside the bladder with a telescope through the urethra at the start of the operation, then remove the kidney and pull the whole ureter through. It is an accepted way of doing the same thing.
Is the cuff removed in kidney-sparing surgery too?
Sometimes. If the tumour sits in the lowest part of the ureter and the kidney is being kept, the surgeon removes that segment together with a bladder cuff and stitches the shortened ureter back into the bladder. For tumours higher up, the bladder is not touched.
Will the pathologist look at the cuff?
Yes. The cuff end of the specimen is the distal margin, and the report will say whether it is clear. The pathologist also checks the whole ureter for tumours that were not seen on the scan. Both findings feed into how often you will be checked afterwards.
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Sources
- National Cancer Institute — Transitional Cell Cancer of the Renal Pelvis and Ureter Treatment (PDQ) - Patient Version
- Cancer Research UK — Bladder cancer
- American Cancer Society — Bladder cancer
- NICE — Bladder cancer: diagnosis and management (NG2)
This page is general information, not a prescription. Do not change or stop any treatment based on what you read here. If anything is worrying you, contact your own treating team — or call our helpline and we will help you reach the right specialist.
Keep reading
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Nephroureterectomy: what is removedEvery part that comes out, and what staysBladder surveillance after upper tract surgeryWhy the bladder is checked afterwardsSegmental ureterectomy and reimplantationWhen only part of the ureter is removedDrains, tubes, lines and cathetersLiving with the catheter while the bladder heals
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