Related Experiment Video
Updated: Feb 8, 2026

Chronic Thromboembolic Pulmonary Hypertension and Assessment of Right Ventricular Function in the Piglet
Published on: November 4, 2015
Pulmonary thromboembolism: new diagnostic imaging techniques.
Julia Noschang1, Marcos Duarte Guimarães2, Diogo Fábio Dias Teixeira3
1MD, Resident in Radiology in the Department of Imaging of the A.C.Camargo Cancer Center, São Paulo, SP, Brazil.
Accurate diagnosis of pulmonary thromboembolism (PTE) is crucial. Dual-energy computed tomography offers a promising imaging tool for evaluating PTE by assessing pulmonary perfusion via iodine mapping.
Area of Science:
- Radiology
- Cardiology
- Pulmonary Medicine
Background:
- Pulmonary thromboembolism (PTE) diagnosis is critical for patient outcomes.
- Clinical presentation and risk factors for PTE are often nonspecific, complicating diagnosis.
- Imaging modalities are essential for definitive PTE diagnosis.
Purpose of the Study:
- To review the importance of accurate pulmonary thromboembolism diagnosis.
- To discuss current and emerging imaging techniques for PTE evaluation.
- To highlight the role of dual-energy computed tomography in assessing pulmonary perfusion.
Main Methods:
- Review of current literature on pulmonary thromboembolism diagnosis.
- Focus on computed tomography (CT) as a primary imaging modality.
- Emphasis on dual-energy CT (DECT) and its iodine mapping capabilities for perfusion assessment.
Main Results:
- Computed tomography is the most utilized imaging method for PTE.
- Dual-energy CT provides novel insights into pulmonary perfusion through iodine mapping.
- DECT shows promise as an advanced tool for PTE evaluation.
Conclusions:
- Accurate and timely diagnosis of PTE is vital to reduce morbidity and mortality.
- Dual-energy CT represents a significant advancement in imaging for pulmonary thromboembolism.
- Iodine mapping with DECT enhances the evaluation of pulmonary perfusion in suspected PTE.
Related Concept Videos
Pulmonary Embolism II: Diagnostic Studies and Interprofessional Care
Chronic Obstructive Pulmonary Disease-IV: Assessement and Diagnostic Studies
Medical History
Pulmonary Tuberculosis I
Causative Organism
The primary infectious agent causing tuberculosis is Mycobacterium tuberculosis, a slow-growing, acid-fast, aerobic rod that exhibits sensitivity to heat and ultraviolet light. Instances of Mycobacterium bovis and Mycobacterium avium contributing to the development of TB infection are rare.
Mode of...
Pulmonary Tuberculosis II
Here is a detailed explanation of its pathophysiology:
Transmission: The process begins when a person inhales droplet nuclei containing M. tuberculosis. These are typically released into the air when an individual with pulmonary or...
Pulmonary Tuberculosis V
Latent tuberculosis infection occurs when TB bacteria are present in a person's body, but are not causing illness or symptoms. It is not contagious, and preventive treatment is crucial to avoid the...
Other Pulmonary Disorders

