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Diagnosing Pulmonary EmbolismDiagnosing pulmonary embolism (PE) involves clinical assessment and advanced imaging tests. The preferred diagnostic tool is the spiral (helical) CT scan or CT angiography (CTA), which uses intravenous contrast media to visualize the pulmonary vasculature and identify emboli.A ventilation-perfusion (V/Q) scan is an alternative for patients unable to receive contrast media. This scan includes both perfusion and ventilation scanning. Perfusion scanning involves...
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Tuberculosis, more commonly referred to as TB, is an infectious disease stemming from Mycobacterium tuberculosis. While it primarily impacts the lungs, TB can also affect other body areas. Given its severity and global impact, timely and accurate diagnosis is crucial for controlling its spread and improving patient outcomes.
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Related Experiment Video

Updated: Apr 4, 2026

Author Spotlight: A 3D Digital Model for the Diagnosis and Treatment of Pulmonary Nodules
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Incidentally diagnosed pulmonary nodule: a diagnostic algorithm.

Robert Dziedzic1, Witold Rzyman1

  • 1University Clinical Center, Department of Thoracic Surgery, Medical University of Gdansk, Poland.

Kardiochirurgia I Torakochirurgia Polska = Polish Journal of Cardio-Thoracic Surgery
|September 4, 2015
PubMed
Summary

Managing incidental pulmonary nodules found on computed tomography (CT) is crucial. Guidelines recommend monitoring small nodules with low-dose CT, while larger or high-risk nodules require further investigation or resection to assess lung cancer risk.

Keywords:
lung neoplasmssolitary pulmonary nodule

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Area of Science:

  • Pulmonology
  • Radiology
  • Oncology

Background:

  • Incidental pulmonary nodules detected via computed tomography (CT) present a significant clinical challenge.
  • Pulmonary nodules vary in type (solid, part-solid, ground-glass) and size, influencing management strategies.
  • Current international guidelines dictate observation, diagnosis, or resection based on nodule characteristics.

Purpose of the Study:

  • To outline the diagnostic and management pathways for asymptomatic solitary pulmonary nodules.
  • To emphasize risk stratification for lung cancer in patients with pulmonary lesions.
  • To highlight the role of invasive diagnostic methods in clinical decision-making.

Main Methods:

  • Review of current international guidelines for pulmonary nodule management.
  • Discussion of imaging characteristics (size, density) for nodule classification.
  • Emphasis on diagnostic procedures including low-dose CT monitoring and needle aspiration biopsy.

Main Results:

  • Pure ground-glass, semi-solid, or solid nodules < 8 mm generally warrant serial low-dose CT monitoring.
  • Solid nodules > 8 mm necessitate malignancy risk assessment.
  • Invasive diagnostic methods like needle aspiration biopsy are key for accurate tumor diagnosis.

Conclusions:

  • Accurate diagnosis of pulmonary nodules through cytology or histology aids in appropriate clinical decisions.
  • Effective management reduces unnecessary surgeries for benign nodules, lowering healthcare costs.
  • Risk-based monitoring and intervention strategies optimize patient outcomes for lung cancer.