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Radiological Investigation III: Pulmonary Angiogram and PET Scan01:13

Radiological Investigation III: Pulmonary Angiogram and PET Scan

Radiological investigations are paramount in the diagnosis and management of various pulmonary diseases. Two essential investigations are the Pulmonary Angiogram and the Positron Emission Tomography (PET) Scan.
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A Pulmonary Angiogram is an invasive procedure involving injecting a contrast medium through a catheter threaded into the pulmonary artery or the right side of the heart to visualize the pulmonary vasculature. Computed Tomography (CT) scans have mainly replaced this...

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Innovative Approach to Early Lung Cancer Detection: Integrating a Comprehensive Screening Program and an Incidental

Anna Sánchez-Cucó1, Sally Santisteve1,2, Anna Vila1

  • 1Translational Research in Respiratory Medicine, IRBLleida, Pulmonology Department, Arnau de Vilanova and Santa Maria University Hospital, Lleida, Spain.

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Summary

An integrated lung cancer screening (LCS) and incidental pulmonary nodule clinic (IPNC) model effectively detects early-stage lung cancer (LC) for curative treatment. This strategy also identifies respiratory comorbidities and supports smoking cessation.

Keywords:
Chronic obstructive pulmonary diseaseEarly-stage lung cancerEmphysemaLow-dose computed tomographyLung cancer screeningPulmonary nodule

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Area of Science:

  • Oncology
  • Pulmonology
  • Radiology
  • Public Health

Background:

  • Lung cancer (LC) remains a leading cause of cancer mortality.
  • Early detection through LC screening (LCS) and incidental pulmonary nodule clinics (IPNCs) is crucial.
  • This study evaluates an integrated approach combining LCS and IPNCs for early LC diagnosis.

Purpose of the Study:

  • To describe the structure, workflow, and outcomes of an integrated early diagnosis strategy for lung cancer.
  • To assess the effectiveness of combining incidental pulmonary nodule clinics (IPNCs) with lung cancer screening (LCS).

Main Methods:

  • A prospective observational study (May 2023-June 2025) implemented an integrated IPNC-LCS model.
  • Patients in IPNCs underwent risk assessment: suspicious lesions to fast-track, low-risk to primary care (PC), high-risk to LCS.
  • LCS followed the I-ELCAP protocol, including low-dose computed tomography (LDCT), lung function tests, and alpha-1-antitrypsin deficiency (AATD) screening.

Main Results:

  • The IPNC evaluated 481 individuals; 6.2% had suspicious lesions, leading to four stage I LC diagnoses.
  • 17 participants (4.07%) were diagnosed with LC via the integrated program, with 82.4% detected at stage I for curative treatment.
  • The program identified numerous comorbidities, including emphysema (106), COPD (25), and AATD mutations (95), and 74% of smokers accepted smoking cessation referrals.

Conclusions:

  • The integrated IPNC-LCS model successfully facilitates early-stage lung cancer detection and curative treatment.
  • This combined strategy is effective in identifying undiagnosed respiratory comorbidities.
  • The model promotes smoking cessation among participants.