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[Lung manifestation of progressive systemic scleroderma. Computerized tomographic findings]
H Holzmann1, V Jacobi, R J Werner
1Zentrum, Dermatologie, Johann Wolfgang Goethe-Universität, Frankfurt am Main.
Summary
Early detection of visceral manifestations in progressive systemic scleroderma (PSS) is crucial. Modified high-resolution computed tomographic scans (HRCT) show high sensitivity for identifying pulmonary and esophageal involvement in early PSS.
Area of Science:
- Rheumatology
- Pulmonology
- Radiology
Background:
- Progressive systemic scleroderma (PSS) is a generalized connective tissue disorder.
- Pulmonary and esophageal involvement are frequent and potentially life-limiting visceral manifestations of PSS.
- Early diagnosis of these manifestations is critical for patient management.
Purpose of the Study:
- To evaluate the sensitivity of modified high-resolution computed tomographic scans (HRCT) for detecting early visceral manifestations in PSS.
- To compare the efficacy of HRCT with other diagnostic methods in early-stage PSS.
Main Methods:
- Modified high-resolution computed tomographic scans (HRCT) were performed on 28 patients with early PSS.
- Prevalence of pulmonary and esophageal involvement was assessed using HRCT findings.
Main Results:
- HRCT revealed pulmonary involvement in 79% and esophageal involvement in 54% of patients with early PSS.
- HRCT demonstrated significantly higher sensitivity than chest radiography, lung scintigraphy, and lung function tests, even in early disease stages.
Conclusions:
- Modified HRCT is a highly sensitive imaging modality for the early detection of pulmonary and esophageal involvement in PSS.
- HRCT should be considered a primary diagnostic tool for visceral manifestations in early PSS.
- Future PSS classification should integrate clinical, immunological, and prognostic parameters, alongside imaging findings.