Churg-Strauss pulmonary vasculitis. High-resolution computed tomography scanning and pathologic findings

Area of Science:

• Pulmonary Medicine
• Radiology
• Pathology

Background:

• Churg-Strauss syndrome, a form of eosinophilic granulomatosis with polyangiitis, affects multiple organs, including the lungs.
• Accurate diagnosis of pulmonary involvement in vasculitis is crucial for timely intervention and management.
• High-resolution computed tomography (HRCT) is a key imaging modality for evaluating diffuse lung diseases.

Observation:

• A case study involving a patient diagnosed with Churg-Strauss vasculitis.
• HRCT imaging was utilized to meticulously examine the pulmonary parenchyma.
• Open lung biopsy was performed to obtain histological confirmation of the observed radiological findings.

Findings:

• HRCT revealed enlarged, irregular, and stellate-shaped pulmonary arteries, alongside patchy opacities in the lung parenchyma.
• Histological examination confirmed eosinophilic infiltration in the arterial walls and dilation of adjacent lymphatics.
• The observed HRCT features correlated directly with the biopsy-proven pathology of Churg-Strauss vasculitis.

Implications:

• HRCT findings in this case are distinct and suggestive of pulmonary vasculitis.
• This study highlights the potential of HRCT as a valuable tool for diagnosing pulmonary vasculitis.
• The characteristic imaging patterns may help differentiate Churg-Strauss vasculitis from other diffuse lung lesions.