Low-Dose Lung CT Findings: Endobronchial Nodules Explained - Pulmonology

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Questions regarding low-dose lung CT report?


Dear Director,
Recently, a low-dose lung CT report indicated a suspicious pneumonia-related mass measuring over 2 cm.
Upon follow-up with another low-dose lung CT two months later, it was found that the original mass had nearly resolved.
The physician advised a follow-up appointment in one year.
However, upon reviewing the radiologist's report on the health insurance app, I noticed the mention of "endobronchial nodules," which was not addressed by the pulmonologist.
I have the following questions:
1.
Are the "endobronchial nodules" related to the previous pneumonia lesion? Is it common for bronchial inflammation to lead to the formation of nodules?
2.
Why was the size of the endobronchial nodules not mentioned in this low-dose lung CT report?
3.
I am having difficulty finding information on endobronchial nodules.
Should I schedule an immediate follow-up appointment?
Thank you for your response! Below is the original report from the low-dose lung CT:
Low Dose Lung CT: performed WITHOUT intravenous contrast enhancement.

FINDINGS:
LUNG PARENCHYMA, AIRWAY:
* Endobronchial nodules, subpleural nodules with perifocal faint ground-glass opacity of the right middle lobe lung (RML) (SE:4;IM:80), rule out post-inflammatory change, advise follow-up
* Subsegmental atelectasis of the right middle lobe lung (RML) and left upper lobe lung (LUL) lingular segment (SE:4;IM:70,90)
PLEURA, PLEURAL SPACE, CHEST WALL: n.p.

MEDIASTINUM: n.p.

LYMPH NODES: n.p.

OTHERS: n.p.

Impression:
* Endobronchial nodules, subpleural nodules with perifocal faint ground-glass opacity of the right middle lobe lung (RML) (SE:4;IM:80), rule out post-inflammatory change, advise follow-up
* Subsegmental atelectasis of the right middle lobe lung (RML) and left upper lobe lung (LUL) lingular segment (SE:4;IM:70,90)

HHH, 40~49 year old female. Ask Date: 2024/05/25

Dr. Yang Wenda reply Pulmonology


Hello: The size of the bronchial nodules was not mentioned, and it is uncertain whether the scanning angle may have caused artifacts.
It would be best to discuss this further with the attending physician, ideally waiting at least two months since the last outpatient visit to better assess any changes in the imaging.

Reply Date: 2024/05/25

More Info


Understanding the findings from a low-dose lung CT scan, particularly regarding endobronchial nodules, can be quite complex and often raises several questions for patients. Based on your report, let’s address your concerns systematically.

1. Relation of Endobronchial Nodules to Previous Pneumonia: Endobronchial nodules can indeed be related to previous inflammatory processes, such as pneumonia. When the lungs are inflamed, as seen in pneumonia, it can lead to the formation of nodules due to the accumulation of inflammatory cells or scarring. These nodules may represent residual changes from the pneumonia or new developments that require further evaluation. It’s not uncommon for inflammation to lead to the appearance of nodules, and your physician's note about ruling out post-inflammatory changes suggests that they are considering this possibility.

2. Lack of Size Specification for Endobronchial Nodules: The absence of size specifications for the endobronchial nodules in the report could be due to several factors. Radiologists sometimes focus on the presence of nodules rather than their exact measurements, especially if the nodules are small or if the clinical context suggests that they are not of immediate concern. Additionally, the imaging technique and the quality of the scan can affect the ability to accurately measure smaller nodules. If the nodules are small and not causing any significant clinical symptoms, the radiologist may have deemed it unnecessary to specify their size.

3. Need for Immediate Follow-Up: Whether you need to return to your physician immediately depends on your symptoms and the overall clinical picture. If you are experiencing new or worsening symptoms, such as persistent cough, shortness of breath, or chest pain, it would be prudent to seek medical attention sooner rather than later. However, if you are asymptomatic and your physician has advised follow-up in a year, it may be acceptable to wait for that scheduled appointment. It’s essential to maintain open communication with your healthcare provider about any concerns you have.

In summary, endobronchial nodules can be a common finding in the context of previous lung infections, and while they warrant monitoring, they do not always indicate a severe underlying issue. The recommendation for follow-up suggests that your healthcare team is taking a cautious approach to ensure that any changes in your lung health are appropriately managed. If you have further concerns or if anything changes in your health status, do not hesitate to reach out to your healthcare provider for clarification and guidance. Regular follow-ups and monitoring are crucial in managing lung health, especially after experiencing pneumonia or other respiratory issues.

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