Evaluation of pleural fluid human epididymis 4 (HE4) as a marker of malignant pleural effusion

Mohamed Y. Elsammak, Adel Attia, Hoda A. Hassan, Taysser M. Zaytoun, Mahmoud Shorman, Moosa Suleman

Research output: Contribution to journalArticle

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Abstract

Pleural effusion is a commonly encountered problem in clinical practice, and pleural fluid analysis is usually the first step towards identifying the underlying etiology. Numerous studies have been published analyzing the potential utility of measuring biomarkers in pleural fluid as possible indicators of a malignant effusion; however, there are no studies that have examined the presence of human epididymis 4 (HE4) in pleural effusions. The aims of this study were to assess pleural effusion and serum concentrations of HE4 in patients with different types of pleural effusions and to evaluate the diagnostic performance of HE4 in detecting malignant pleural effusion. A prospective cohort study was carried out of 88 consecutive patients presenting with pleural effusions. The patients were divided into three groups: 22 patients with transudative effusions, 32 patients with non-malignant exudative effusions, and 34 patients with malignant pleural effusions. Blood and pleural fluid HE4 levels were measured using immunoassay. Both serum HE4 levels and pleural effusion HE4 levels were significantly higher in patients with malignant effusions than in patients with transudative or non-malignant exudative effusions. A pleural fluid HE4 cutoff value of 1,675 pmol/L was found to predict malignant pleural effusions with a diagnostic sensitivity of 85.3 % and specificity of 90.7 %. The current study reports a novel finding of increased serum and pleural fluid HE4 levels in patients with malignant effusions compared to non-malignant effusions. This finding has the potential to strengthen the diagnostic performance of tumor markers in detecting malignant pleural effusions.

Original languageEnglish (US)
Pages (from-to)1701-1707
Number of pages7
JournalTumor Biology
Volume33
Issue number5
DOIs
StatePublished - Oct 1 2012

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Malignant Pleural Effusion
Epididymis
Pleural Effusion
Serum
Tumor Biomarkers
Immunoassay
Cohort Studies
Biomarkers
Prospective Studies
Sensitivity and Specificity

All Science Journal Classification (ASJC) codes

  • Cancer Research

Cite this

Evaluation of pleural fluid human epididymis 4 (HE4) as a marker of malignant pleural effusion. / Elsammak, Mohamed Y.; Attia, Adel; Hassan, Hoda A.; Zaytoun, Taysser M.; Shorman, Mahmoud; Suleman, Moosa.

In: Tumor Biology, Vol. 33, No. 5, 01.10.2012, p. 1701-1707.

Research output: Contribution to journalArticle

Elsammak, Mohamed Y. ; Attia, Adel ; Hassan, Hoda A. ; Zaytoun, Taysser M. ; Shorman, Mahmoud ; Suleman, Moosa. / Evaluation of pleural fluid human epididymis 4 (HE4) as a marker of malignant pleural effusion. In: Tumor Biology. 2012 ; Vol. 33, No. 5. pp. 1701-1707.
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