Ureteral Retrograde Brush Biopsy – Indications, Procedures, Results

Dr. Harun Ar Rashid, MD - Arthritis, Bones, Joints Pain, Trauma, and Internal Medicine Specialist Dr. Harun Ar Rashid, MD - Arthritis, Bones, Joints Pain, Trauma, and Internal Medicine Specialist
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Biopsy – brush – urinary tract; Retrograde ureteral brush biopsy cytology; Cytology – ureteral retrograde brush biopsy

A ureteral retrograde brush biopsy is a surgical procedure. During the surgery, your surgeon takes a small sample of tissue from the lining of the kidney or ureter. The ureter is the tube that connects a kidney to the bladder. The tissue is sent to a lab for testing.

A ureteral retrograde brush biopsy is a surgical procedure. During the surgery, your surgeon takes a small sample of tissue from the lining of the kidney or ureter. The ureter is the tube that connects a kidney to the bladder. The tissue is sent to a lab for testing

How the Test is Performed

This procedure is done using:

  • Regional ( spinal ) anesthesia
  • General anesthesia

You will not feel any pain. The test takes about 30 to 60 minutes.

A cystoscope is first placed through the urethra into the bladder. A cystoscope is a tube with a camera on the end.

  • Then a guidewire is inserted through the cystoscope into the ureter (the tube between the bladder and kidney).
  • The cystoscope is removed. But the guidewire is left in place.
  • A ureteroscope is inserted over or next to the guidewire. The ureteroscope is a longer, thinner telescope with a small camera. The surgeon can see the inside of the ureter or kidney through the camera.
  • A nylon or steel brush is placed through the ureteroscope. The area to be biopsied is rubbed with a brush. Biopsy forceps may be used instead to collect a tissue sample.
  • The brush or biopsy forceps are removed. The tissue is taken from the instrument.

The sample is then sent to a pathology lab for analysis. The instrument and guidewire are removed from the body. A small tube or stent may be left in the ureter. This prevents a kidney blockage caused by swelling from the procedure. It is removed later.

How to Prepare for the Test

You may not be able to eat or drink anything for about 6 hours before the test. Your health care provider will tell you how you need to prepare.

How the Test will Feel

You may have some mild cramping or discomfort after the test is over. You may have a burning feeling the first few times you empty your bladder. You may also urinate more often or have some blood in your urine for a few days after the procedure. You may have discomfort from the stent that will continue to be in place until it is removed at a later time.

Why the Test is Performed

This test is used to take a sample of tissue from the kidney or ureter. It is performed when an x-ray or other test has shown a suspicious area (lesion). This can also be done if there are abnormal cells in the urine.

Normal Results

The tissue appears normal.

What Abnormal Results Mean

Abnormal results may show cancer cells ( carcinoma ). This test is often used to tell the difference between cancerous (malignant) and noncancerous ( benign ) lesions.

Risks

Risks of anesthesia and surgery in general are:

  • Reactions to medicines
  • Breathing problems
  • Bleeding, blood clots
  • Infection

Another possible risk for this procedure is a hole (perforation) in the ureter. This can cause scarring of the ureter. Tell your provider if you have an allergy to seafood. This could cause you to have an allergic reaction to the contrast dye used during this test.

Considerations

This test should not be performed in people with a:

  • Urinary tract infection
  • Blockage at or below the biopsy site

You may have abdominal pain or pain on your side ( flank ).

A small amount of blood in the urine is normal the first few times you urinate after the procedure. Your urine may look faintly pink. Report very bloody urine or bleeding that lasts longer than 3 emptyings of the bladder to your provider.

Call your provider if you have:

  • Pain that is bad or is not getting better
  • Fever
  • Chills
  • Very bloody urine
  • Bleeding that continues after you have emptied your bladder 3 times

FAQ

How is a brush biopsy done?

  • The doctor or the dentist can perform the procedure. The cutting edge of the brush is placed against the lesion and rotated in a clockwise fashion while maintaining firm pressure. The brush is repeatedly rotated about 5-15 times. Red lesions and ulcerations generally require a little pressure and few rotations.

Is ureteroscopy painful?

  • Most ureteroscopy patients have mild to moderate pain that can be managed with medications. To relieve mild pain: You should drink two eight-ounce glasses of water every hour in the two hours after the procedure.

How long is recovery after bladder biopsy?

  • You should expect to return to work in 1 week or less. You should reduce your activity levels for the first 1 to 2 weeks while healing.

Are you put to sleep for ureteroscopy?

  • The procedure usually takes 1 hour. You are given general anesthesia. This is a medicine that allows you to sleep.

Is brush biopsy painful?

  • The oral brush biopsy does not require topical or local anesthetic and causes minimal bleeding and pain. The brush biopsy instrument has two cutting surfaces, the flat end of the brush and the circular border of the brush. Either surface may be used to obtain the specimen.

How accurate is a brush biopsy?

  • The sensitivity of oral brush biopsy is 43.5% and specificity is 81.25% with a positive predictive value of 58.3%. Oral brush biopsy with molecular markers like tenascin and keratins can be an accurate diagnostic test.

Is ureteroscopy a major surgery?

  • Ureteroscopy is a minimally invasive method to treat kidney stones as well as stones located in the ureter. It is performed in the operating room with general or spinal anesthesia and is typically an outpatient procedure (you go home the same day).

How long is the recovery time after a ureteroscopy?

  • Most patients are able to perform normal, daily activities within 5-7 days after ureteroscopy. However, many patients describe more fatigue and discomfort with a ureteral stent in the bladder.

Do I have to have a stent after ureteroscopy?

  • Routine ureteral stenting is not necessary after ureteroscopy and ureterorenoscopy: a randomized trial.

The risks of a bladder biopsy

  • All medical procedures that involve removing tissue put you at risk for bleeding and infection. A bladder biopsy is no different. After your bladder biopsy, you may have blood or blood clots in your urine. This typically lasts for two or three days following the procedure.

How painful is a bladder biopsy?

  • You will feel discomfort that is similar to a strong urge to urinate when the fluid has filled your bladder. You may feel a pinch during the biopsy. There may be a burning sensation when the blood vessels are sealed to stop bleeding (cauterized). After the cystoscope is removed, your urethra may be sore.

Can a cystoscopy see the kidneys?

  • During a cystoscopy, a cystoscope is inserted through the urethra into the bladder. During a ureteroscopy, the urologist will focus on viewing the ureter and lining of the kidney, known as the renal pelvis.

How will I feel after a ureteroscopy?

  • For several hours after the procedure, you may have a burning feeling when you urinate. This feeling should go away within a day. Drinking a lot of water can help. You may have some blood in your urine for 2 or 3 days.

How do you prepare for a ureteroscopy?

  • You don’t have to do a lot to get ready for a ureteroscopy. You’ll need to pee before the procedure. Your doctor or a nurse will tell you when. You should also get instructions about how long before the surgery you need to stop eating, drinking and taking some medicines.

Which is better ureteroscopy and lithotripsy?

  • Based on this review, both ESWL and ureteroscopy are safe in the treatment of upper ureteral stones and both have relative pros and cons. Ureteroscopy has higher efficacy but more adverse effects compared with ESWL.

What is brush cytology?

  • Brush cytology is a method used for a broad sampling of the mucosal surface.60, 61 Cytology brushes, whether reusable or disposable, have a common design. A cytology brush consists of bristles, usually composed of nylon fibers, that branch off a thin metal shaft that runs lengthwise within a protective plastic sheath.

What is brush biopsy mean?

  • A biopsy is obtained by passing a bristled catheter into suspected areas of disease and removing cells that are entrapped in the bristles.

What is a brush biopsy of the ureter?

  • A ureteral retrograde brush biopsy is a surgical procedure. During the surgery, your surgeon takes a small sample of tissue from the lining of the kidney or ureter. The ureter is the tube that connects a kidney to the bladder. The tissue is sent to a lab for testing.

What does a biopsy determine?

  • The biopsy results help your health care provider determine whether the cells are cancerous. If the cells are cancerous, the results can tell your care provider where cancer originated — the type of cancer. A biopsy also helps your care provider determine how aggressive your cancer is — cancer’s grade.

What does a biopsy sample consist of?

  • A biopsy is a medical procedure that involves taking a small sample of tissue so that it can be examined under a microscope. A tissue sample can be taken from almost anywhere on, or in the body, including the skin, stomach, kidneys, liver and lungs.

What is a shave biopsy used for?

  • Shave biopsy is one of the most widely used procedures performed in primary care practice. The technique is used to obtain tissue for histologic examination and is useful for removing superficial lesions in their entirety.

What is the difference between cystoscopy and ureteroscopy?

  • bladder, urethra, and possibly the ureters. A cystoscope is an instrument used to examine the urethra and bladder. A ureteroscope is an instrument used to examine the ureters.

What is a bilateral retrograde pyelogram?

  • A retrograde pyelogram is an imaging test that uses X-rays to look at your bladder, ureters, and kidneys. The ureters are the long tubes that connect your kidneys to your bladder. This test is usually done during a test called cystoscopy.

How long does a retrograde pyelogram take?

  • A retrograde pyelogram usually takes less than 30 minutes to perform. It can take an hour or more to recover afterward, depending on the type of anesthesia used for the test.

What is retrograde motion caused by?

  • Retrograde motion is an optical illusion caused by differences in the planets’ orbital speed. Let’s take Mars as an example. This superior planet moves slower in its orbit than the Earth. When we pass Mars, it seems to be moving “backward” because we’re moving faster than it is.

What contrast is used for retrograde pyelogram?

  • Contrast is categorized by osmolality, of which there are 3 groups: iso-osmolar, low osmolar, and high osmolar. As osmolarity decreases, radiographic density increases. For retrograde pyelography, the contrast is typically diluted to 50% using sterile water by the physician.

How long does a cystoscopy retrograde pyelogram take?

  • A dye is injected into the ureters through the catheter. X-rays are then taken of the ureters and kidneys. The test can take 15 to 30 minutes.

What is a retrograde stent?

  • Stent = thin plastic tube that can be placed in the ureter. Retrograde = backward to the normal direction of flow. Pyelogram = injection of dye into the kidney and taking an x-ray.

What is retrograde surgery?

  • Make an appointment. RIRS is performed to remove stones without making any incisions on the kidney while using a laser and a viewing tube called a fiberoptic endoscope that goes through the urethra into the kidney. It is performed under general, local or spinal anesthesia.

How long does retrograde motion last?

  • The outer planets–Mars, Jupiter, Saturn, Uranus, Neptune, and Pluto–spend 2-6 months of the year in retrograde motion. The farther the planet, the longer the duration of the retrogradation. Retrograde motion is an illusion related to the movement of the Earth-based observer.

Why is retrograde motion important?

  • The solar system was formed from a disk of material that was spinning. The Sun and planets formed from that disk and spin in the same direction. If a body is retrograde it must have had an encounter with another object otherwise it would violate the law of conservation of momentum

What is the difference between intravenous pyelogram and retrograde pyelogram?

  • Intravenous pyelogram – In which a contrast solution is introduced through a vein into the circulatory system. Retrograde pyelogram – Any pyelogram in which contrast medium is introduced from the lower urinary tract and flows toward the kidney (i.e. in a “retrograde” direction, against the normal flow of urine).

How does the retrograde affect us?

  • Expect to have more or less energy than you’re used to, particularly of the nervous variety. will either sap you of your usual zest and leave you feeling lethargic, or fill you with chaotic, scattered energy that might have you feeling restless, unfocused and anxious.

What never goes in retrograde motion?

  • The two inner planets, Mercury and Venus, don’t exhibit retrograde motion for the same reason because they move faster than Earth. So, our planet never passes either of them.

What happens during Venus retrograde?

  • When the retrograde occurs, Venus (who is already rotating in the opposite direction of Earth) slows down, which makes us feel its effects of it more. Now, Earth is moving faster than Venus. This makes the retrograde noticeable to earthlings, as we feel as though we are moving faster — which we are.

What happens when a planet goes retrograde?

  • In astrology, retrograde describes the apparent backward movement of a planet. This is because the planet isn’t actually moving backward – it’s only an illusion. According to NASA, the illusion occurs because of how Earth and other planets orbit the sun.

What does retrograde mean in medical terms?

  • 1. moving backward or against the usual direction of flow.
  • 2. degenerating, deteriorating, or catabolic.

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