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Summary
This study details two multiple myeloma patients with unusual myeloma cell pleural effusions. Prompt diagnostic thoracentesis is crucial for appropriate treatment due to varied causes of pleural effusion in myeloma.
Area of Science:
- Hematology
- Oncology
- Pulmonology
Background:
- Multiple myeloma is a plasma cell malignancy.
- Pleural effusion is a potential complication in multiple myeloma patients.
Observation:
- Two cases of multiple myeloma with pleural effusion containing myeloma cells are presented.
- This rare complication has only been reported in 7 previous cases in English literature.
Findings:
- Pleural effusion in multiple myeloma can result from various causes including direct plasma cell infiltration of the pleura.
- Other potential etiologies include congestive heart failure, pulmonary embolism, nephrotic syndrome, and secondary neoplasms.
Implications:
- Diagnostic thoracentesis is essential for accurate diagnosis and appropriate management of pleural effusion in multiple myeloma.
- Identifying the specific cause of effusion guides targeted therapy and improves patient outcomes.