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Poster lunch

986 - Role of cancer ratio and carcinogenic embryonic antigen ratio in diagnosis of pleural effusion (541P)

Date

18 Nov 2017

Session

Poster lunch

Presenters

Alshimaa Alhanafy

Citation

Annals of Oncology (2017) 28 (suppl_10): x166-x168. 10.1093/annonc/mdx677

Authors

A.M. Alhanafy1, G. Abdelaal2, I. Elmahlawy2, B. Montaser3

Author affiliations

  • 1 Department Of Clinical Oncology And Nuclear Medicine, Menoufia University , Faculty of Medicine, 32511 - Shebin El Kom/EG
  • 2 Department Of Chest, Menoufia University , Faculty of Medicine, 32511 - Shebin El Kom/EG
  • 3 Department Of Clinical Pathology, Menoufia University , Faculty of Medicine, 32511 - Shebin El Kom/EG
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Resources

Abstract 986

Background

Pleural effusion results from either malignant or nonmalignant conditions, cytological examination of pleural fluid is diagnostic only in about 50% of malignant pleural effusions. Cancer ratio (serum serum lactate dehydrogenase (LDH)/pleural adenosine deaminase (ADA) may be helpfull in cancer diagnosis of patients with exudative pleural effusion, we investigated this issue along with CEA ratio (pleural CEA/serum CEA)

Methods

This study included 60 patients referred to Clinical Oncology & Nuclear Medicine and Chest Departments Menoufia University hospital in the period from January 2016 to January 2017 presented with exudative pleural effusion the mean age was 67.20 + 11.12. 33 patients out of 60 were males and 27 were females, patients were classified into 3 groups, group I included 20 patients with malignant plueral effusion, group II included 20 patients with tuberculous pleural effusion and group III included 20 patients with parapneumonic pleural effusion. The cancer patients group included stage IV disease: 10 patients had bronchogenic carcinoma, 2 patients had pleural mesothelioma, 5 patients had breast cancer and 3 patients with ovarian cancer. All patients underwent thoracentesis and cytology, Serum LDH, pleural ADA, serum and pleural CEA were done then data was statistically analyzed and the cut off value for cancer ratio and CEA ratio was done

Results

Cancer ratio was significantly higher in the patients with malignant pleural effusion 59.32 ± 8.19 than the tuberculous group 5.72 ± .15 than patients with parapneumonic effusion 10.30 ± .79, (p 

Conclusions

Cancer ratio at cut off point (5.03) is a simple method which can discriminate malignant pleural effusion with sensitivity of 100% and a specificity of 87%.

Clinical trial identification

Legal entity responsible for the study

menoufia university

Funding

None

Disclosure

All authors have declared no conflicts of interest.

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