Urinary occult blood
Hello Doctor: In January, during the company health check, my urine test showed trace blood reaction ++.
In February, I went to the hospital for further examination, and it also showed a trace blood reaction 3+, with red blood cells at 6-9 and bacteria at 1+.
An ultrasound examination indicated no abnormalities.
What does this mean? The doctor only mentioned a small amount of red blood cells and suggested monitoring for six months.
Both urine tests were conducted 4 to 5 days after my menstrual period; could this still cause a trace blood reaction? Is there a need for further testing? I have read that painless hematuria or trace blood can be related to tumors, but I have no symptoms other than increased frequency of urination when drinking water.
Should I undergo more detailed examinations? Can autoimmune system disorders also cause trace blood in urine?
Xiao Zhao, 40~49 year old female. Ask Date: 2024/02/10
Dr. Xu Wencang reply Urology
Please consult your attending physician in person.
Thank you.
Reply Date: 2024/02/10
More Info
Hematuria, or the presence of blood in urine, can be a concerning symptom for many patients. It is essential to understand the potential causes, implications, and necessary next steps when faced with this condition. Based on your recent health checks, where you have shown positive results for hematuria (both microscopic and gross), it is crucial to delve deeper into the possible reasons behind these findings.
Understanding Hematuria
1. Types of Hematuria: Hematuria can be classified into two types: gross hematuria, where blood is visible in the urine, and microscopic hematuria, where blood is only detectable under a microscope. In your case, the presence of blood was noted in urine tests, indicating microscopic hematuria.
2. Common Causes: There are several potential causes of hematuria, including:
- Urinary Tract Infections (UTIs): Bacterial infections can lead to inflammation and bleeding.
- Kidney Stones: These can irritate the urinary tract, causing bleeding.
- Trauma: Any injury to the kidneys or bladder can result in blood in the urine.
- Tumors: Both benign and malignant tumors in the urinary tract can cause hematuria.
- Glomerular Diseases: Conditions affecting the kidney's filtering units can lead to blood in the urine.
- Medications: Certain medications, especially anticoagulants, can increase bleeding.
3. Your Test Results: The presence of blood in your urine, along with the noted bacteria, suggests that there may be an underlying issue that needs to be addressed. The ultrasound results indicating no abnormalities are reassuring, but they do not rule out all potential causes.
Concerns and Next Steps
1. Timing of Tests: You mentioned that your urine tests were conducted shortly after your menstrual period. It is important to note that menstruation can sometimes lead to false positives for blood in urine tests. However, the degree of hematuria you reported (3+) is significant enough to warrant further investigation.
2. Follow-Up Recommendations: Given your situation, it is advisable to follow up with your healthcare provider for further evaluation. This may include:
- Repeat Urinalysis: To confirm the presence of blood and check for any changes.
- Urine Culture: To rule out any underlying infections that may not have been detected initially.
- Cystoscopy: A procedure that allows direct visualization of the bladder and urethra, which can help identify any abnormalities.
- CT Scan or MRI: Imaging studies can provide more detailed information about the kidneys and urinary tract.
3. Autoimmune Considerations: You asked about the role of autoimmune disorders in causing hematuria. Certain autoimmune conditions, such as lupus or vasculitis, can affect the kidneys and lead to hematuria. If you have a history of autoimmune issues, it would be prudent to discuss this with your doctor.
Conclusion
In summary, while the presence of hematuria can be alarming, it is essential to approach it systematically. Your healthcare provider's recommendation to monitor the situation over six months is a common practice, but given the degree of hematuria and your concerns, it may be beneficial to seek further evaluation sooner rather than later. Early detection and intervention can be key in addressing any underlying issues effectively. Always ensure to communicate openly with your healthcare provider about your symptoms, concerns, and any family history of urinary or kidney issues.
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