Educational only. This site does not give medical advice and does not replace your care team. For an emergency, call 911.

Treatment options

When a Low-Grade Tumor Keeps Coming Back

Low-grade bladder tumors have a habit of coming back. That is frustrating, but here is the key point: coming back is common and usually not life-threatening. Low-grade tumors grow slowly and rarely spread. The goal is to manage them with as little disruption as possible. Below are options your doctor may discuss.

Why low-grade tumors come back

The whole lining of the bladder has been exposed to whatever led to the first tumor, so new low-grade tumors can pop up elsewhere on that lining over time. This is why surveillance continues even after a tumor is removed.

Recurring does not mean the cancer is getting worse or spreading. It usually means another low-grade tumor showed up and can be handled much like the last one. Your doctor keeps an eye out for the less common case where a tumor comes back at a higher grade, which would change the plan.

Options your doctor may discuss

These are not ranked. Which fits depends on how many tumors there are, their size, where they are, and your preferences.

Repeat removal (TURBT)

What it is
Removing the new tumor through a scope passed up the urethra, in the operating room — the same kind of procedure that removed the first tumor.
How it's given
Under anesthesia as a short procedure; often same-day. You may have blood in the urine and mild burning for a few days after.
Questions to ask your doctor
  • Will I need a catheter afterward, and for how long?
  • Will a chemo instillation be given right after (see below)?

Office fulguration

What it is
Burning away a small tumor with an electric current or laser during an office cystoscopy, using numbing medicine — no operating room or full anesthesia.
How it's given
During a regular scope visit, for small low-grade tumors that are a good fit. Quicker and easier to recover from than an operating-room procedure.
Questions to ask your doctor
  • Are my tumors small enough for this?
  • What will the visit feel like?

Single-dose chemo after removal

What it is
A one-time dose of chemotherapy placed in the bladder soon after a tumor is removed, to lower the chance a new one forms.
How it's given
Through a catheter, usually within a day of the removal procedure, held for a set time, then drained.
Questions to ask your doctor
  • Is a single dose right after my removal a good fit for me?
  • Which medicine would be used?

Zusduri (mitomycin gel, UGN-102)

Newly approved
What it is
A form of the chemotherapy mitomycin in a special gel. It is liquid when cool and turns to a gel at body temperature, so it stays in contact with the bladder lining longer. It is the first medicine approved to treat certain recurrent low-grade tumors without surgery.
How it's given
Instilled into the bladder in the office through a catheter — no operating room.
Typical schedule
A course of once-weekly treatments for 6 weeks.
Common side effects
The most common are painful urination, urinary tract infections, and blood in the urine; some people also have frequent urination, tiredness, or trouble emptying the bladder.
Red flags
Inability to urinate, heavy bleeding, fever, or severe pain — see the warning-signs panel below.
Questions to ask your doctor
  • Are my tumors the type this is approved to treat?
  • How does this compare with just removing the tumor?
  • What happens if a tumor remains after the course?

When to call your care team

After any of these procedures or treatments, call the office number on your discharge paperwork right away, or seek emergency care, if you have any of these:

If you have chest pain, trouble breathing, fainting, or another life-threatening emergency, call 911.

Warning signs