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Pleural involvement of dialysis-related amyloidosis

Masaru Suzuki1, Tomoko Betsuyaku, Tetsuya Kojima

  • 1Department of Respiratory Medicine, Kohnan Hospital, Federation of National Public Service Personnel Mutual Aid Associations, Sapporo.

Internal Medicine (Tokyo, Japan)
|July 16, 2005
PubMed

Insights

Dialysis-related amyloidosis (DRA) can affect the pleura, causing fluid buildup. This first report highlights DRA as a cause of pleural effusion in long-term dialysis patients.

Area of Science:

  • Nephrology
  • Pulmonology
  • Pathology

Background:

  • Dialysis-related amyloidosis (DRA) is a significant complication in patients undergoing long-term hemodialysis.
  • Beta2-microglobulin is the primary protein component of DRA.
  • Pleural involvement in DRA has been rarely documented.

Observation:

  • This report details two cases of pleural effusion in patients with long-term dialysis.
  • The pleural effusion was exudative in nature.
  • Beta2-microglobulin amyloid deposition in the pleura was observed.

Findings:

  • This study presents the first reported cases of pleural involvement of dialysis-related amyloidosis (DRA) manifesting as pleural effusion.
  • The findings confirm that beta2-microglobulin amyloid can deposit in the pleural space.
  • The pleural fluid analysis was consistent with exudative effusion.

Implications:

  • Pleural involvement of DRA should be considered in the differential diagnosis of exudative pleural effusion in long-term dialysis patients.
  • Early recognition and diagnosis of DRA-related pleural effusion may improve patient management.
  • Further research is warranted to understand the pathogenesis and treatment of pleural DRA.

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