Update on multidetector computed tomography imaging of the airways.

Area of Science:

• Radiology
• Medical Imaging
• Pulmonology

Background:

• Multidetector computed tomography (MDCT) has significantly advanced the imaging capabilities for evaluating the trachea and bronchi.
• Conventional axial CT imaging is complemented by newer reconstruction techniques for central airway disease assessment.

Purpose of the Study:

• To highlight the transformative impact of MDCT technology on the imaging evaluation of the trachea and bronchi.
• To demonstrate the utility of MDCT in diagnosing various central airway diseases and assessing tracheobronchomalacia.

Main Methods:

• Utilizing multiplanar 2D and 3D volume reconstructions (including external rendering and virtual bronchoscopy) from MDCT data.
• Employing paired inspiratory and dynamic expiratory MDCT imaging, alongside cine CT methods.
• Leveraging MDCT for planning and guidance of bronchoscopic interventions and postprocedural surveillance.

Main Results:

• MDCT enables rapid generation of multiplanar and 3D reconstructions, enhancing visualization of airway stenoses, neoplasms, and congenital disorders.
• Advanced MDCT techniques improve the assessment of tracheobronchomalacia in both adult and pediatric patients.
• MDCT serves as a crucial noninvasive tool for guiding bronchoscopic procedures and monitoring outcomes.

Conclusions:

• MDCT represents a significant technological advancement in the comprehensive imaging of the trachea and bronchi.
• The capabilities of MDCT, including 3D reconstructions and dynamic imaging, are invaluable for diagnosing and managing central airway diseases.
• MDCT plays an essential complementary role to conventional bronchoscopy, improving interventional planning and patient surveillance.