| empyema, pleural | Suppurative inflammation of the pleural space. (12 Dec 1998) |
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| mastoid empyema | <pathology> Inflammation of the mastoid antrum and cells. (18 Nov 1997) |
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| pneumococcal empyema | Infection of the pleural cavity by Streptococcus pneumoniae, the pneumococcus, with pus formation. Pulsating empyema, a large, tense collection of pus in the pleural cavity through which the cardiac pulsations are transmitted to the chest wall. Streptococcal empyema, purulent exudation into the pleural cavity caused by infection with Streptococcus haemolyticus. (05 Mar 2000) |
| empyema | <chest medicine> The accumulation of pus in a cavity of the body, when used without a descriptive qualifier, it refers to thoracic empyema. (18 Nov 1997) |
| empyema benignum | latent empyema |
| empyema necessitatis | A form of pyothorax in which the pus burrows to the outside, producing a subcutaneous abscess which finally ruptures; it may result in spontaneous recovery without requiring an operation. (05 Mar 2000) |
| empyema of gallbladder | Severe acute cholecystitis with purulent inflammation of the gallbladder. Latent empyema, the presence of pus in a cavity, especially one of the accessory sinuses, unattended by subjective symptoms. Synonym: empyema benignum. Loculated empyema, pyothorax in which pleural adhesions form one or more pockets containing pus. (05 Mar 2000) |
| empyema of the pericardium | An accumulation of pus in the pericardial sac. Synonym: empyema of the pericardium. (05 Mar 2000) |
| empyema, subdural | An intracranial suppurative process between the dura and the arachnoid. The infection gains entrance to the subdural space from the frontal and ethmoid sinuses, the middle ear, and the mastoid cells. (12 Dec 1998) |
| empyema tube | A rubber drainage tube, piercing a sheet rubber shield, passed through the chest wall in order to drain an empyema. (05 Mar 2000) |
| empyema, tuberculous | Empyema due to mycobacterium tuberculosis. (12 Dec 1998) |
| biopsy, pleural needle | <investigation, procedure, surgery> A pleural needle biopsy involves the use of a needle (inserted from the skin) to obtain a small sample of pleural tissue for microscopic analysis. The biopsy is done using a local anaesthetic. Abnormal results may reveal cancer (metastatic or primary), tuberculosis, a fungal disease, viral disease, a parasitic disease or collagen vascular disease. Risks include pneumothorax and internal bleeding. (21 Mar 1998) |
| pleural | <anatomy> Of or pertaining to the pleura or pleurae, or to the sides of the thorax. Source: Websters Dictionary (01 Mar 1998) |
| pleural calculus | A concretion in the pleural cavity. Synonym: pleural calculus. Origin: pleuro-+ G. Lithos, stone (05 Mar 2000) |
| pleural canal | The portion of the embryonic celom that joins the pericardial cavity to the peritoneal cavity, developing into the pleural cavities. Synonym: pleural canal. (05 Mar 2000) |
| pleural cavity | The potential space which lies in between the visceral pleura and the parietal pleura. (27 Sep 1997) |