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Cryptogenic organizing pneumonia with atypical histopathological features
D N Jones1, D W Henderson, S Morton
1Department of Radiology, Flinders Medical Centre, Bedford Park, Australia.
Abstract:
A case report of cryptogenic organizing pneumonia (COP); also known as bronchiolitis obliterans organizing pneumonia (BOOP) is presented. The histopathologic findings of COP are well documented in the literature and typically consist of organizing pneumonia of uniform appearance. This case report describes, in addition to the classic findings, more acute exudative inflammation not usually associated with this condition. Variation in the evolution of the pneumonic process is one of the reasons for reporting this case. The promotion of awareness of this treatable condition is the other reason for reporting this case. When multifocal areas of consolidation are demonstrated radiologically, particularly when peripheral and basal, and in the correct clinical setting, the possibility of COP should be entertained. This condition responds dramatically to steroid therapy, and has a good prognosis.
Insights
This case report details cryptogenic organizing pneumonia (COP), also known as bronchiolitis obliterans organizing pneumonia (BOOP). It highlights variations in its presentation and emphasizes its treatability with steroids for a good prognosis.
Area of Science:
- Pulmonology
- Pathology
Background:
- Cryptogenic organizing pneumonia (COP), or bronchiolitis obliterans organizing pneumonia (BOOP), is a recognized lung condition.
- Histopathological findings typically show uniform organizing pneumonia.
Observation:
- This case report presents a patient with COP exhibiting acute exudative inflammation, an atypical finding.
- Variations in the typical presentation of COP are observed.
Findings:
- The case demonstrates that COP can present with features beyond the classic uniform organizing pneumonia.
- Radiological findings of multifocal consolidation, especially peripheral and basal, in the appropriate clinical context, suggest COP.
Implications:
- Increased awareness of COP's varied presentations is crucial for timely diagnosis.
- Early recognition and treatment with steroid therapy lead to a dramatic response and favorable prognosis for COP patients.