Urological Issues: Symptoms, Tests, and Safety Concerns - Urology

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May I ask the doctor?


1.
Can problems in the urinary system cause symptoms like leg fatigue?
2.
I previously had blood in my urine and went to the hospital for an ultrasound of the kidneys and bladder, as well as X-rays, which all came back normal.
However, a urinalysis did show blood (not visible to the naked eye).
What could be the possible issues?
3.
Kidney imaging requires the use of contrast agents, but I saw in the news yesterday that three people died after receiving contrast agents.
I am currently being treated for hepatitis B and my body is relatively weak.
Is it safe for me to receive a contrast agent? Are there any alternative methods for examination?

junjay, 20~29 year old female. Ask Date: 2004/09/09

Dr. Liu Jianting reply Urology


If hematuria is detected only through microscopic examination of red blood cells, and both ultrasound and X-ray tests show no issues, then regular monitoring is sufficient.
As for performing a renal imaging study, it will be conducted only if deemed necessary by the physician.
The contrast agents currently in use are very safe, and the likelihood of complications is minimal.

Reply Date: 2004/09/09

More Info


When it comes to understanding urological issues, it’s essential to recognize the symptoms, potential tests, and safety concerns associated with these conditions. Let’s address your questions one by one.

1. Can urological issues cause leg soreness?
While leg soreness is not a typical symptom directly associated with urological problems, it can occur indirectly. For instance, if you are experiencing pain or discomfort in the lower abdomen or pelvic area due to a urological issue, you might unconsciously alter your posture or gait, leading to muscle strain in your legs. Additionally, conditions such as kidney stones or infections can cause referred pain, which might manifest as discomfort in the legs. However, if leg soreness persists, it’s advisable to consult a healthcare professional to explore other potential causes, such as musculoskeletal issues or peripheral neuropathy.

2. What could cause blood in urine despite normal imaging tests?
The presence of blood in urine, known as hematuria, can be concerning. If imaging tests like ultrasound and X-rays have returned normal results, yet urine tests indicate blood, there are several possibilities to consider. First, it’s important to note that microscopic hematuria (blood not visible to the naked eye) can occur due to various benign conditions, such as urinary tract infections (UTIs), kidney stones, or even vigorous exercise. Other potential causes include glomerular diseases, benign prostatic hyperplasia (in men), or malignancies. It’s crucial to follow up with your healthcare provider for further evaluation, which may include a cystoscopy (a procedure to look inside the bladder) or additional urine tests to identify the source of bleeding.

3. Is it safe to use contrast agents for kidney imaging, especially with a history of hepatitis B?
The use of contrast agents in imaging studies, particularly in patients with compromised liver function or chronic conditions like hepatitis B, raises valid concerns. While contrast agents are generally safe, they can pose risks, especially in individuals with pre-existing kidney issues or those who are dehydrated. The recent news about adverse reactions to contrast agents highlights the importance of assessing individual risk factors before proceeding. Given your current treatment for hepatitis B and concerns about your overall health, it is crucial to discuss these risks with your healthcare provider. They can evaluate your specific situation and determine whether the benefits of using a contrast agent outweigh the potential risks. In some cases, alternative imaging methods, such as MRI or ultrasound without contrast, may be considered.

In summary, urological issues can present with a variety of symptoms, and it’s essential to approach them with a comprehensive evaluation. If you experience persistent symptoms or have concerns about tests and treatments, do not hesitate to seek further medical advice. Your healthcare provider can guide you through the diagnostic process and help you make informed decisions about your health. Remember, early intervention and thorough investigation are key to managing any potential urological conditions effectively.

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