[Rheumatoid pleuritis].

Three patients are described in whom pleural effusion appeared to be a manifestation of rheumatoid arthritis. In each, needle biopsy demonstrated granuIomatous pleural lesions resembling the subcutaneous rheumatoid nodule while extensive studies failed to reveal any evidence of infection or neoplasm. The presence of extremely low fluid sugar concentration is regarded as strongly suggestive of rheumatoid pleuritis. Es describite tres patientes in gui effusion pleural pareva esser un manifestation de arthritis rheumatoide. In omnes, biopsisls a agulia demonstrava granulomatose lesiones pleural resimilante le subcutanee nodulos rheumatoide, durante que extense studios revelava nulle indication de infection o de neoplasma. Lo presentia de un extrememente basse concentration de sucro in le liquid0 es reguardate como un forte supporto pro le suspicion de pleuritis rheumatoide.