| empty sella | A sella turcica, often enlarged, that contains no discernible pituitary gland; may be primarily due to an incompetent sellar diaphragm with compression of the pituitary gland by herniating arachnoid or secondarily due to surgery or radiotherapy. (05 Mar 2000) |
|---|---|
| empty sella syndrome | <radiology> Aetiology, idiopathic, most commonly reported in middle-aged obese women (associated with DM, hypertension, normal pituitary function), secondary, pituitary adenoma, surgery or irradiation, communicating hydrocephalus, familial (very rare) X-ray findings: sella normal or increased, intrasellar herniation of subarachnoid space, symptoms: headache, visual disorders, with or without decreased pituitary function, cerebrospinal fluid rhinorrhoea (12 Dec 1998) |
| empyaemic | Relating to empyema. (05 Mar 2000) |
| empyaemic scoliosis | Scoliosis due to retraction of one side of the chest following an empyema. (05 Mar 2000) |
| empyectomy | Resection of the empyema and its capsule. (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 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, pleural | Suppurative inflammation of the pleural space. (12 Dec 1998) |
| 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, tuberculous | Empyema due to mycobacterium tuberculosis. (12 Dec 1998) |
| empyesis | <medicine> An eruption of pustules. Origin: NL, fr. Gr. Suppuration. Source: Websters Dictionary (01 Mar 1998) |