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Updated: Aug 9, 2026
08:05
Lung CT Segmentation to Identify Consolidations and Ground Glass Areas for Quantitative Assesment of SARS-CoV Pneumonia
Published on: December 19, 2020
[Radiological features of cryptogenic organizing pneumonia]
Jian Xu1, Wei Song, Zheng-yu Jin
1Department of Radiology, PUMC Hospital, CAMS and PUMC, Beijing 100730, China.
Summary
Cryptogenic organizing pneumonia (COP) commonly presents with pulmonary consolidation and ground-glass opacity (GGO) on CT scans. Consolidation distribution is specific, often appearing along bronchovascular bundles or in subpleural areas.
Area of Science:
- Radiology
- Pulmonology
- Pathology
Background:
- Cryptogenic organizing pneumonia (COP) is an idiopathic interstitial pneumonia.
- Accurate diagnosis of COP is crucial for appropriate management.
Purpose of the Study:
- To investigate and characterize the radiological features of cryptogenic organizing pneumonia (COP).
- To identify specific CT imaging patterns associated with COP.
Main Methods:
- Pathological confirmation of COP in five patients.
- Chest CT scans analyzed for radiological features.
- Classification of features into consolidation, GGO, nodules, and reticulation.
- Analysis of lesion distribution (lung fields, bronchovascular bundle, subpleural area).
Main Results:
- Pulmonary consolidation observed in 4/5 patients.
- Ground-glass opacity (GGO) seen in 3/5 patients.
- Nodules present in 2/5 patients; reticulation in 1/5.
- Consolidation predominantly distributed along bronchovascular bundles or subpleural areas.
- GGO and nodule distribution were nonspecific.
Conclusions:
- Pulmonary consolidation and GGO are the most frequent radiological findings in COP.
- The distribution of pulmonary consolidation is a specific indicator, favoring bronchovascular bundle or subpleural locations.
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