Title: Cells in pleural fluid and their value in differential diagnosis

Authors: Dr Mohammed Abdul Sameer, Dr Priyanka Rameshchandra Chandak,  Dr Umme Ammarah Farooqui

 DOI: https://dx.doi.org/10.18535/jmscr/v8i1.89

Abstract

Background: Both non-malignant and malignant causes of effusion can be identified by relatively non-invasive technique of pleural fluid cytology. With this basis the present study on cytology of pleural fluids was taken up. The cytological study of body effusions is a complete diagnostic modality which aims at pointing out the etiology of effusion as well as in certain cases a means of prognostication of the disease process.

Materials and Methods: Sixty samples of pleural fluid were examined for total cell count, cell type and cellular features and AFB staining. They were also subjected to biochemical study to fluids out the level of protein and glucose and ADA level. .

Results: The medical records of all 60 patients with pleural effusion were available for review. The ages of the patients ranged from four years to 75 years, with maximum cases (29.36%) in the sixth decade. Male preponderance of effusion was noted; the ratio of male to female being 1.2:1. Of all the effusions, 31.19% were hemorrhagic; 26.61% turbid, 23.85% clear, 11.93% purulent, 3.67% viscous and 2.75% opalescent. Transudates comprised 18% of cases. Most of them were secondary to cirrhosis and congestive cardiac failure.

Overall 82% of pleural effusions were exudative in nature. The most frequent cause of exudative effusion was tuberculosis (39.02%) followed by malignancy (30.49%), paramalignancy (8.54%), pneumonia (7.32%), and empyema (4.89%).

Conclusions: The most useful test in establishing the diagnosis of pleural effusion is pleural fluid cytology and pleural fluid cell count. Cytologic study of pleural fluid is a complete diagnostic modality which aims at pointing out the etiology of effusion as well as, in certain cases, a means of prognostication of disease process.

Keywords: Effusion; pleural fluid; malignant effusion.

References

  1. Cheson BD. Clinical utility of body fl uidanalysis.Clin Lab Med 1985;5:195-208.
  2. Pandit S, Chaudhuri AD, Datta SB, Dey A, Bhanja P. Role of pleural biotpsy in etiological diagnosis of pleural effusion. Lung India. 2010;27:202–4.
  3. Gaur DS, Chauhan N, Kusum A, Harsh M, Talekar M, Kishore S, et al. Pleural fluid analysis - Role in diagnosing pleural malignancy. J Cytol. 2007;24:183–8.
  4. Frist B, Kahan AV, Koss LG. Comparison of the diagnostic values of biopsies of the pleura and cytologic evaluation of pleural fl uids. Am J ClinPathol 1979;72:48-51.
  5. Sherwani R, Akhtar K, Naqvi AH, Akhtar S, Abrari A, Bhargava R. Diagnostic and prognostic significance of cytology in effusions. J Cytol 2005;22:73-7.
  6. Frist B, Kahan AV, Koss LG. Comparison of the diagnostic values of biopsies of the pleura and cytologic evaluation of pleural fl uids. Am J ClinPathol 1979;72:48-51.
  7. Marel M, Stastny B, Melinova L, Svandova E, Right RW. Diagnosis of pleural effusions: Experience with clinical studies, 1986-1990. Chest 1995;107:1598-603.
  8. Alusi FA. Pleural effusion in Iraq: A prospective study of 100 cases. Thorax 1986;41:492-3.
  9. Epstein DM, Kline LR, Albelda SM, Miller WT. Tuberculous pleural effusions. Chest 1987;91:106-9.
  10. Aggrawal AN, Gupta D, Jindal SK. Diagnosis of tuberculous pleural effusion. Indian J Chest Dis Allied Sci 1999;41:89-100.
  11. Granados R, Libas ES, Fletcher JA. Cytogenetic analysis of effusions from malignant mesothelioma. ActaCytol 1994;38:711-7.
  12. Pandit S, Chaudhuri AD, Datta SB, Dey A, Bhanja P. Role of pleural biotpsy in etiological diagnosis of pleural effusion. Lung India. 2010;27:202–4.
  13. Maldhure BR, Bedarkar SP, Kulkarnl HR, Paplnwar SP. Pleural biopsy and adenosine deaminase in pleural fluid for the diagnosis of tubercular pleural effusion. Ind J Tub. 1994;41:161–5.

Corresponding Author

Dr Priyanka Rameshchandra Chandak

Senior Resident, Department of Pathology, of Dr. Shankarrao Chavan Government Medical College, Nanded, Maharashtra, India