Urinothorax: An unexpected cause of pleural effusion.

Eur J Intern Med · 2006

case_report · Level V

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Abstract

Urinothorax is an unexpected cause of transudative pleural effusion associated with obstructive uropathy. We present a case of urinothorax in a patient with congestive heart failure who had undergone percutaneous nephrolithotomy. The diagnosis was made after an unexpected enlargement of the pleural effusion after treatment with diuretics.