RT Journal Article SR Electronic T1 Bilateral pleural effusion due to malignant mesothelioma, diagnosed by means of immunostaining JF European Respiratory Journal JO Eur Respir J FD European Respiratory Society SP 833 OP 836 DO 10.1183/09031936.93.03070833 VO 3 IS 7 A1 Mannes, GP A1 Gouw, AS A1 Postmus, PE YR 1990 UL https://publications.ersnet.org//content/3/7/833.abstract AB We report a patient who presented himself with a bilateral pleural effusion. Histology proved that this was caused by a malignant pleural mesothelioma. Immunostaining and DNA-flow cytometry confirmed the diagnosis. The usefulness of these rather new diagnostic techniques is discussed.