Should I Discuss LDCT with My Doctor After Lung X-Ray Results? - Pulmonology

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I am unsure whether it is necessary to discuss with the attending physician about undergoing a further examination with LDCT (Low-Dose Computed Tomography)?


Hello Doctor, I hope it's not too presumptuous of me to ask about my two chest X-ray results.
I am unable to understand whether there has been any improvement from the symptoms in 2019 to 2020, and therefore, I am unsure if I need to discuss with my attending physician about undergoing a Low-Dose Computed Tomography (LDCT) scan.

The 2019 chest X-ray report mentioned:
- Fibronodular change at the left lung apices.
- An opacity, most likely a vascular structure viewed en face or a granuloma, in the left perihilar region.
- Fibro-nodular lesions at the right apical lung region, suggestive of a previous granulomatous infection.
However, the 2020 chest X-ray report only included:
- Multiple nodular opacities noted over bilateral hilar regions, probably vascular shadows en face.
Three years ago, I was diagnosed with testicular cancer (Stage 1A) and am currently being monitored by the urology department (without chemotherapy).
A CT scan of the abdomen and blood markers done in April were normal, but since I cannot interpret the lung condition and whether it has improved, I am uncertain if I should discuss with my urologist about the need for an LDCT to assess if there has been any metastasis to the lungs.
I sincerely hope you can spare some time to clarify this for me.
I apologize for taking up your time.

A-Hsuan, 30~39 year old female. Ask Date: 2020/04/30

Dr. Yang Wenda reply Pulmonology


Hello: Previously, there were no signs of recurrence at the primary site after early treatment and subsequent follow-up of the tumor.
It is unlikely that there will be sudden distant metastasis.
It is recommended to consult a pulmonologist to assess whether the small nodules in the lungs have increased in size, using X-ray comparisons.
If they appear stable, there may be no need for further chest LDCT.

Reply Date: 2020/04/30

More Info


When considering whether to discuss a Low-Dose Computed Tomography (LDCT) scan with your doctor after reviewing your chest X-ray results, it is essential to understand the differences between these imaging modalities and their respective roles in lung health assessment.

Chest X-rays are a standard initial imaging tool used to evaluate lung conditions. They can identify abnormalities such as nodules, infections, or structural changes in the lungs. However, they have limitations in sensitivity and specificity, particularly for small nodules or subtle changes in lung tissue. In your case, the 2019 X-ray indicated fibronodular changes and opacities, which could suggest previous infections or other lung conditions. The 2020 report showed some changes but did not provide a clear picture of the lung's current state.

LDCT, on the other hand, is a more advanced imaging technique that provides higher resolution images of the lungs. It is particularly useful for detecting small nodules and assessing lung cancer risk, especially in high-risk populations, such as individuals with a history of cancer or significant smoking history. LDCT uses a lower radiation dose compared to traditional CT scans, making it a safer option for screening purposes.

Given your history of testicular cancer and the changes noted in your lung X-ray reports, it would be prudent to discuss the possibility of an LDCT scan with your healthcare provider. Here are a few reasons why this discussion is important:
1. Risk Assessment: Your previous cancer diagnosis may increase your risk for secondary malignancies, including lung cancer. LDCT can help in early detection, which is crucial for better outcomes.

2. Clarification of Findings: The changes noted in your X-ray reports could be benign or indicative of a more serious condition. LDCT can provide a clearer picture of these findings, helping to differentiate between benign nodules and those that may require further investigation.

3. Monitoring: If there are any concerning findings on the LDCT, your doctor may recommend a follow-up plan, which could include regular monitoring or additional tests.

4. Peace of Mind: If you have concerns about the potential for lung metastasis from your previous cancer, an LDCT can provide reassurance or prompt necessary interventions.

In summary, discussing the option of an LDCT scan with your doctor is a reasonable step, especially considering your medical history and the changes observed in your lung X-ray results. Your healthcare provider can assess your individual risk factors and determine whether an LDCT is appropriate for your situation. They can also explain the potential benefits and risks associated with the scan, helping you make an informed decision about your lung health.

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