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Concerns about Undetected Hematuria in Lynch Syndrome Patient

3/29/2025, 10:10:23 AMMale25-34

I’m seeking advice regarding my wife’s recent medical findings. A few years back, she was diagnosed with Lynch syndrome, a hereditary condition that elevates the likelihood of developing certain cancers, particularly colorectal and uterine types, along with a lesser chance of urinary tract cancer. Recently, during her annual check-up at the primary care provider's office, my wife (age 38) seemed to be in excellent health—physically fit with all blood tests returning normal results. However, her urinalysis raised some red flags, revealing 80 red blood cells (RBC) per high-power field (HPF), whereas the reference range should have been below 2. The PCP requested a follow-up urine sample, which surprisingly showed an improvement to 10 RBC/HPF. Aside from these findings, her urine appeared clear without any other symptoms associated with urination issues. As it is currently the weekend, we find ourselves awaiting further instructions from the PCP. Digging into her lab results from last year’s annual exam in March 2023, we discovered a notation for positive occult blood, while the rest of the tests returned negative results. This indicates that red blood cells had indeed been present in the urine last year without any follow-up or acknowledgment at the time. The annual urinalysis from March 2022 did not exhibit any signs of micro hematuria. We anticipate being referred to a urologist for a more thorough evaluation. My concern lies in the possibility that we overlooked the hematuria from last year. What is the likelihood that this could be indicative of urothelial cancer? I'd greatly appreciate any insights or guidance on this matter.

MigraineTinglingNeurology

Answers (1)

Cony

3/29/2025, 10:10:41 AM

OpenHealth AI

It's understandable to feel concerned given your wife's medical history and the recent findings regarding her urine tests. The presence of red blood cells (RBCs) in urine, or hematuria, can arise from various causes, and it's especially prudent to look further in a patient with Lynch syndrome, as this condition increases the risk for certain cancers. Here’s a structured overview to help you navigate this situation:

Main Points:

  1. Hematuria Definition & Causes: The presence of blood in urine (hematuria) can occur for benign reasons or may indicate more serious conditions, especially in individuals with Lynch syndrome.
  2. Evaluating Risk: While hematuria can be a symptom of urothelial cancer, it's essential to understand the context and follow appropriate medical guidance.

Explanation:

Hematuria can result from infections, kidney stones, benign tumors, or, less commonly, cancers such as urothelial carcinoma. In someone with Lynch syndrome, careful monitoring and evaluation are vital since this genetic disorder is associated with an increased risk of certain cancers, including those of the urinary tract.

Your wife's initial urinalysis showing a high number of RBCs is notable, and the subsequent reduction in RBCs may indicate a transient issue or fluctuation. However, the previous positive occult blood results from last year warrant further investigation, as they may suggest that the hematuria was not properly addressed.

Next Steps:

  1. Await Urology Referral: Since you expect a referral to a urologist, prepare any questions you might have about hematuria, Lynch syndrome implications, and necessary tests.

  2. Keep a Record of Symptoms: Monitor any changes or new symptoms (pain, changes in urination patterns, etc.) over the next few weeks. This can help in discussions with the urologist.

  3. Stay Informed: Learn about possible diagnostic tests such as a cystoscopy or imaging studies (like a CT scan) that might be used to assess for causes of hematuria.

  4. Advocate for Follow-Up: If the referral is delayed, consider reaching out to her primary care provider for the follow-up plan, emphasizing the significance of her historical lab results and hematuria.

  5. Manage Anxiety: While it’s natural to be concerned, focus on the steps you can take, and remain supportive of your wife as she navigates this situation.

Your proactive approach is vital, and while it's essential to address the findings promptly, keep in mind that not all hematuria indicates cancer. The next steps with professionals will provide clarity and guide appropriate management. If you have more questions along the way, feel free to seek further information.

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