Measurement of Tracheobronchial Tree Using 3D CT
Launched by SEOUL NATIONAL UNIVERSITY HOSPITAL · Dec 17, 2017
Trial Information
Current as of August 02, 2025
Unknown status
Keywords
ClinConnect Summary
All CT images will be reviewed using the image measurement software with a slice thickness of 1 mm. A level of -450 Hounsfield units and a width of 1000 Hounsfield units were used for bronchial window settings.
The length of right and left main bronchus will be measured from the tracheal bifurcation to the point of their first branches, respectively, in both 2D- and 3D-CT images. The anteroposterior angulation of right upper lobar bronchus will be measured from the axial 2D-images by the angle between the horizontal midline of the right main bronchus and the center of the RUL orifice which...
Gender
ALL
Eligibility criteria
- Inclusion Criteria:
- • 3D- thoracic CT scan images obtained between March 1st and October 31th, 2016
- Exclusion Criteria:
- • younger than 18
- • with intraluminal lesions in main bronchus
- • with abnormalities of tracheobronchial tree
- • with history of tracheobronchial injury or surgery
- • diagnosed musculoskeletal deformity.
About Seoul National University Hospital
Seoul National University Hospital (SNUH) is a leading medical institution in South Korea, renowned for its commitment to advancing healthcare through innovative research and clinical excellence. As a prominent clinical trial sponsor, SNUH integrates cutting-edge scientific inquiry with patient-centered care, facilitating the development of novel therapies and treatment protocols. The hospital boasts a diverse range of specialized departments and a robust infrastructure for conducting clinical studies, ensuring rigorous adherence to ethical standards and regulatory compliance. By fostering collaboration among multidisciplinary teams, SNUH aims to contribute significantly to global medical advancements and improve patient outcomes.
Contacts
Jennifer Cobb
Immunology at National Institute of Allergy and Infectious Diseases (NIAID)
Locations
Seoul, , Korea, Republic Of
Patients applied
Timeline
First submit
Trial launched
Trial updated
Estimated completion
Not reported
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