sympathetic effusion

sympathetic effusion

an exudative pleural effusion caused by disease in a nearby structure (for example, subdiaphragmatic abscess, pericarditis, pneumonia, pancreatitis).
References in periodicals archive ?
Although we conducted a PubMed search, reviewing material as far back as 1966, we were unable to find a previous case of apparent sympathetic effusion associated with breast TB.
He had osteomyelitis with a sympathetic effusion in the knee joint, explaining the negative joint fluid culture.