Publications of Faculty of Medicine:Diagnostic Value of Sialic Acid in Malignant and Non Malignant Pleural Effusion: Abstract

Diagnostic Value of Sialic Acid in Malignant and Non Malignant Pleural Effusion
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The aim of this study was to determine whether estimation of sialic acid levels, both in the serum and pleural fluid, of patients with pleural effusion is of significance in detecting malignant pleural effusions. This study included 50 patients with pleural elision, 20 patients with malignant effusion (group 1) and 30 patients with non malignant effusion (group II). Group II was subdivided into group Tha included 10 patients with tuberculous effusions, group 114 included 10 patients with parapneumonic effusion and group 11-c included 10 patients with transudative effusion. Group 111 of 20 apparently healthy subjects as a control group was also included. The mean sialic acid level in the serum of the control group was 6.13 ± 1.87 mgldl, in the non malignant group it was 10.04 ± 3.18 mg/dl and in the malignant group it was 18.85 ± 7.34 mg/dl (P < 0.0005). The mean :lade acid level in the pleural fluid of group II (non malignant group) was 5.6 ± 2.42 mg/dl while in group I (malignant group) was 9.16 ± 3.08 mg/dl (P < 0.0005). It can be concluded that, there is significant association between malignancy and raised sialic acid in the serum and pleural fluid, thus estimation of sialic acid level may be helpful as a tumour marker in the diagnosis of malignant pleural effusion. INTRODUCTION