How should pulmonary nodules be optimally investigated and managed?

Area of Science:

• Pulmonology
• Radiology
• Clinical Guidelines

Background:

• Pulmonary nodules are frequently found incidentally on CT scans, with increasing detection rates due to higher CT utilization and potential screening programs.
• Previous management guidelines, such as the Fleischner Society guidelines (2005) and American College of Chest Physicians guidelines (2013), primarily focused on small nodules and have been updated to reflect new evidence.
• The management of pulmonary nodules is a dynamic field, significantly influenced by findings from large CT screening studies.

Purpose of the Study:

• To review the evidence considered in the development of the British Thoracic Society (BTS) guidelines for pulmonary nodule investigation and management.
• To summarize the key recommendations of the BTS guidelines published in July 2015.

Main Methods:

• The BTS convened a guideline development group in 2012 to address pulmonary nodule investigation and management.
• A comprehensive review of 359 references, with one-third published from 2012 onwards, informed the guideline development.
• The process involved synthesizing recent evidence to formulate updated recommendations.

Main Results:

• The BTS guidelines incorporate recent evidence, leading to differences compared to previous recommendations.
• Specific attention was given to sub-solid nodules, acknowledging their distinct prognostic implications.
• The guidelines provide updated recommendations for the investigation and management of pulmonary nodules.

Conclusions:

• The BTS guidelines represent a significant update in the management of pulmonary nodules, based on the latest scientific evidence.
• These guidelines aim to provide clinicians with current best practices for diagnosing and managing patients with pulmonary nodules found on CT scans.
• The updated recommendations reflect the evolving understanding of pulmonary nodule behavior and outcomes.