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Interstitial thickening in pulmonary alveolar microlithiasis: an underappreciated finding
J W Melamed1, H D Sostman, C E Ravin
1Department of Radiology, Duke University Medical Center, Durham, NC 27710.
Journal of Thoracic Imaging
|January 1, 1994
Summary
Pulmonary alveolar microlithiasis can present with significant interstitial thickening on chest X-rays. This case highlights this important, often overlooked, radiographic feature for better diagnosis.
Area of Science:
- Pulmonology
- Radiology
- Pathology
Background:
- Pulmonary alveolar microlithiasis (PAM) is a rare lung disease characterized by the accumulation of calcium phosphate microliths in alveoli.
- Radiographic findings in PAM typically include diffuse, fine granular opacities.
Observation:
- This case report focuses on a patient with PAM where interstitial thickening was a predominant feature on radiographic imaging.
- The interstitial changes were more pronounced than the typical granular opacities.
Findings:
- Interstitial thickening can be a significant radiographic manifestation of pulmonary alveolar microlithiasis.
- Recognizing this pattern may aid in the differential diagnosis of diffuse interstitial lung diseases.
Implications:
- Emphasizing interstitial thickening as a potential radiographic sign can improve early detection of PAM.
- This finding may prompt further investigation and timely management of patients with this rare condition.