Bladder health is important because it can directly influence our overall well-being. If you have trouble peeing or leaking urine, for example, or worry about bladder infections or cancer, there are tests for understanding these problems.
A bladder scan is a simple intervention for understanding the status of the bladder. Bladder scanning is a (mostly) non invasive way to diagnose and evaluate urinary issues so they can be resolved. In this article, we lay out six different options for detecting cancer and other malignancies via bladder scans.
If you plan to have a bladder scan or just someone who really wants to know all about bladder health, this guide will help walk you through some options. Here’s all about the most popular options: ultrasound bladder scans, urinalysis, cystoscopy, CT, MRI scans and urodynamic test. Discover their merits, and demerits.
What is a bladder scan?
A bladder scan is a method of examining the bladder with the least amount of invasion. Thanks to newer technology, this can be done easily through imaging guidance with ultrasound. The process is generally brief and painless and it provides information about the volume or state of the bladder immediately.
The bladder is a stretchy, muscular sac that collects urine from the kidneys. It expands in size when full which then signals you to empty it during urination. Your ability to move the muscles that contract or release fluid from the bladder at will makes urination an intentional and useful process.
However, a problem arises when you cannot control this process. In that case, your healthcare provider may recommend a bladder scan to see what the problem is. A bladder scan is often preferred for its convenience. Bladder scans eliminate the discomfort and potential complications of invasive procedures like catheterization. Bladder scans help healthcare providers in:
- Assessing urinary retention
- Assessing post-void residual urine-volume
- Monitoring bladder function in patients with neurologic conditions.
- Reduction of unnecessary catheterization
- Minimizing the danger of infection in the bladder
What Are the Methods for Bladder Scanning?
There are multiple bladder scanning diagnostic techniques, each of which has its pros and cons based on the patient condition or clinician requirement. As we go through these techniques in a moment, you will learn when to test using any method and how it can help with patient care.
1.Ultrasound Examination (bladder scan)
When sound waves collide with solid objects they bounce off their surface. By cleverly harnessing this principle, the inventors of ultrasound scanners were able to use sound waves of very high frequency to map out solid objects. Bladder scanners use this exact method to pass sound waves into the body of your bladder to get a picture of its structure.
It is a very quick procedure. Usually, it takes 10-20 minutes. It does not require invasive procedures; which is why it has become popular among doctors. With ultrasound scans, you can rest assured knowing that the sound waves emit zero ionizing radiation. This means it’s a safe method free from any risk for the patient upon repeated use.
Bladder scanning devices have become portable. Take BladGo® scanner, for example. It is a portable bladder scanner that provides highly accurate measurements in the palm of your hand, making it versatile and indispensable to all healthcare providers.
Bladder scans are most useful to follow pathologies like incontinence, urinary tract infections (UTIs), and bladder outflow obstruction. Bladder scanning offers benefits for patients of any age, with designated options—pediatric settings (children), male, female, and obese patient modes.
The
BladGo® scanner provides these options for healthcare professionals to choose patient types in order to achieve best measurement results.
Advantages:
- Non-invasive and painless
- Provides real-time imaging
- No radiation exposure
- Quick and easy to perform
- Highly accurate results
- It can be performed at the bedside or in various clinical settings
- Cost-effective compared to other imaging methods
- Suitable for repeated measurements
- Reduces the need for catheterization
Disadvantages:
- Requires trained personnel to operate the device (though less specialized than other imaging methods)
- May be less accurate in patients with obesity or pelvic abnormalities
- Cannot provide detailed information about bladder wall structure or surrounding tissues
Can an ultrasound miss bladder cancer?
An ultrasound examination (bladder scan) can be beneficial for identifying issues such as tumors. Although it can detect bladder tumors or abnormalities, its low resolution means that small tumors in high-risk patients will often not be seen.
Ultrasound is less sensitive compared with other imaging tests. That’s why it may not detect early-stage cancers. Using ultrasound scans eliminates the need for invasiveness, but when a negative result emerges, it may not be trusted to totally rule out the chances of early-stage cancer. So, further testing using methods like CT or MRI scan might be needed in some cases.
2.Urinalysis
Urinalysis has been around a long time and is the classic diagnostic test to tell what an individual's urine contains. It also helps in diagnosing infection, kidney disease and diabetes.
Advantages:
- Non-invasive collection method
- Provides information about various aspects of urinary health
- Can detect infections, kidney problems, and other systemic issues
- Relatively inexpensive
- Quick results
Disadvantages:
- It does not provide information about bladder volume or function
- Cannot detect structural abnormalities in the bladder
- Results can be affected by diet, medications, and hydration status
- It may require follow-up tests for a definitive diagnosis
3.Cystoscopy
Unlike other methods in this article, cystoscopy is an invasive but precise method. It involves the healthcare system inserting a tiny tube called the
cystoscope through the urethra into the bladder.
Once in, this tiny device allows the physician to see what’s inside the bladder. It allows growths, stones, or possible contractile problems within the bladder to be spotted.
Advantages:
- Provides direct visualization of the bladder interior
- Allows for biopsy of suspicious areas
- Can diagnose structural abnormalities, tumors, and stones
- Enables some treatments to be performed during the procedure
Disadvantages:
- Invasive procedure that may cause discomfort
- Requires specialized equipment and trained urologists
- Carries a small risk of infection or bladder injury
- More expensive than non-invasive methods
- Not suitable for frequent monitoring
The bladder is imaged at the highest resolution with cystoscopy; however this highly invasive test would not be feasible on a regular basis during treatment, but could certainly be valuable to monitor changes over time in evolution of what may become malignancies. Nevertheless, cystoscopy continues to be required if a visible evaluation involving the particular kidney is important.
4.CT scan
CT (Computed Tomography) scan is a type of advanced imaging that uses X-rays and computer technology to produce cross-sectional pictures of the bladder.
Advantages:
- Quick imaging process, typically taking only a few minutes
- Provides detailed cross-sectional images of soft tissues, bones, and blood vessels
- Excellent for detecting bone injuries, lung and chest problems, and cancer
- It can be performed even if you have metal implants
- Less sensitive to patient movement compared to MRI
- Useful in emergency situations due to its speed
- Generally less expensive than an MRI
Disadvantages:
- Exposes patients to ionizing radiation, which can be a concern with repeated scans
- May require the use of contrast dyes, which some patients may be allergic to
- Not as effective as MRI for imaging soft tissues
- It cannot detect some types of abnormalities that MRI can
- It may not be suitable for pregnant women due to radiation exposure
- Less detailed than MRI for certain types of tissue analysis
Possible side effects of a CT scan
Image credit: Author
A CT scan itself is a painless process, except you may have some side effects if you had contrast dye during your procedure. Allergic reactions to the dye — rash, nausea, or itching. In more severe cases patients may have symptoms of shortness of breath or whole body swelling, however this is less common.
But CT scans do involve exposure to radiation -- which, in small amounts, is relatively safe but could be harmful if done over and over. If you have an allergy to iodine and seafood then you should notify your provider before having a CT live with contrast.
5. MRI Scan
An MRI scan (Magnetic Resonance Imaging) is a painless procedure that uses radio waves and magnetic fields to create detailed images of the bladder. It is clearly a preferable treatment to more radiation that must be applied with regular CT scans in cases of high-risk patients requiring serious monitoring or those particularly sensitive to radiation.
These scans are accurate, particularly for soft tissue abnormalities that can indicate bladder cancer has infiltrated the nearby organs or lymph nodes. They can be especially useful in diagnosing problems that are higher up the urinary system than what an ultrasound bladder scan is able to show.
Advantages:
- Does not use ionizing radiation, making it safer for repeated use
- Provides highly detailed images of soft tissues, including the brain, spinal cord, and muscles
- Can detect a wider range of abnormalities compared to CT scans
- Excellent for diagnosing conditions in the brain, spine, and joints
- Can provide images from multiple angles without moving the patient
- Better at distinguishing between normal and abnormal tissue
- It can be used to image blood flow and detect vascular abnormalities
Disadvantages:
- Typically, it takes longer than CT scans, often 30 minutes to an hour
- More sensitive to patient movement, which can affect image quality
- Loud noises during the scan can be uncomfortable for some patients
- Not suitable for patients with certain metal implants or devices
- It can induce claustrophobia in some patients due to the enclosed space
- Generally more expensive than CT scans
- It may not be as readily available as CT scanners in some healthcare facilities
6.Urodynamic testing
Urodynamic tests are a series of different tests that measure how well the bladder and urethra hold (store) and release urine.
Any individual test typically accounts for only one of these components like cystometry, uroflowmetry, and post-void residual measurement. Combining the results from all these tests gives different information on the bladder function.
Image Source:
ResearchgateCystometry determines the urinary bladder capacity and measures how much fluid it accommodates when filled, and at what pressure. Physicians favor this test for uncovering conditions like overactive bladder or urinary urgency. Uroflowmetry measures how quickly urine flows and engine capacity of the bladder muscle, making it possible to identify obstructions or weak bladders.
One of the major benefits of the urodynamic test is its capacity for providing complete insight into bladder function, which can be crucial in diagnosing conditions that are otherwise undetectable through other tests —such as ultrasound bladder scans or urinalysis denton. Additionally, itty-bitty result fields give treatment leads to conditions like urinary incontinence or voiding dysfunction.
Advantages:
- Provides comprehensive information about bladder function
- Can diagnose complex urinary problems
- Helps in treatment planning for conditions like incontinence and overactive bladder
Disadvantages:
- Invasive procedure that may cause discomfort
- It is time-consuming and requires specialized equipment
- More expensive than simpler tests
- May require catheterization
- Not suitable for frequent monitoring
Urodynamic testing can provide additional information in a broader diagnostic strategy, which also includes portable bladder scanners for real-time measurements of bladder volume without any invasiveness.
Conclusion
While each method has its own unique situation when it should be used or avoided, together, they provide a top-down strategy for diagnosing and coaching bladder issues. Non-invasive tools like the BladGo™ portable bladder scanner stand out for their ability to offer quick, accurate results without causing discomfort to patients, making them an invaluable addition to modern urological practice.
When used alongside other diagnostic methods, BladGo™ bladder scanners provide a reliable first line of defense, helping clinicians to gather important information before deciding if more invasive or expensive tests are necessary. This results in enhanced patient outcomes by saving time and resource pressures on healthcare providers.
With a 3.5-inch color LCD screen, your images can be crystal clear and easy to read for interpretation while retaining the ability to store up to 999 patient records, allowing you to track bladder health over time without switching devices or moving data between them every few uses.
For those looking to enhance their practice with the latest in bladder scanning technology, BladGo™ is a smart, practical choice.
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Detecting Bladder Cancer with a CT Scan, Ultrasound or MRI | Cxbladder.
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Cystoscopy - Mayo Clinic. (2022, December 17).
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Iodine allergy. Healthline.
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Contrast materials. Radiologyinfo.org.
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Global cancer statistics, 2012. CA a Cancer Journal for Clinicians, 65(2), 87–108.
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Urinary incontinence. (2024, May 1). Cleveland Clinic.
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Urinary tract infection (UTI) - Symptoms and causes - Mayo Clinic. (2022, September 14). Mayo Clinic.
Cystoscope, what is the standard recommended repeated procedure time after the removal of bladder cancer? How often do they typically use this procedure to monitor any re growth of cancer?