Abstract
Purpose
Malignant pleural effusions (MPE) may either coincide with or follow the diagnosis of a primary tumor. Whether this circumstance influences prognosis has not been well substantiated.
Methods
Retrospective review of all consecutive patients who were cared for at a Spanish university hospital during an 11-year period and received a diagnosis of MPE.
Results
Of 401 patients, the MPE was the first evidence of cancer in 265 (66%), and it followed a previously diagnosed neoplasm in 136 (34%). Lung cancer predominated in the former group (131, 50%), and breast cancer in the latter (55, 40%). MPE that were the presenting manifestation of hematological and ovarian tumors had a statistically significant survival advantage as compared to those which developed in patients from a previously known cancer (respective absolute differences of 41 and 20 months; p < 0.005).
Conclusions
In hematological and ovarian malignancies, the synchronous or metachronous diagnosis of MPE may have prognostic implications.
References
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There are no conflicts of interest with the current study.
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All studies performed in human participants were in accordance with the ethical standards of the institutional research committee and with the Helsinki declaration.
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Porcel, J.M., Solé, C., Salud, A. et al. Prognosis of Cancer with Synchronous or Metachronous Malignant Pleural Effusion. Lung 195, 775–779 (2017). https://doi.org/10.1007/s00408-017-0050-1
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DOI: https://doi.org/10.1007/s00408-017-0050-1