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  • Title: Adenosine deaminase activity, not diagnostic for tuberculous pleurisy.
    Author: van Keimpema AR, Slaats EH, Wagenaar JP.
    Journal: Eur J Respir Dis; 1987 Jul; 71(1):15-8. PubMed ID: 3653300.
    Abstract:
    We have measured adenosine deaminase (ADA) in pleural effusions of 95 patients, using a method optimalised for rapid determination on a Hitachi 705 analyzer. High ADA activity was found in four of the five patients with tuberculous pleurisy, in four of the seven with empyema and in three of the seven patients with mesothelioma. One patient with very high serum ADA activity due to liver disease also had a high activity in the pleural effusion. Low activity was found in all patients with other neoplastic pleural effusions, parapneumonic pleural effusions, transudates, and in pleural effusions due to some other diseases. We conclude that in a country with a low tuberculosis incidence a high ADA activity in pleural effusion in neither sensitive nor specific enough to rely on the diagnosis of tuberculous pleurisy. Routine determination of ADA is not recommended; in selected cases, however, it may be useful.
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