empyema

Pus in a body cavity; when used without qualification, refers specifically to pyothorax. [G. e., suppuration, fr. en, in, + pyon, pus]
- e. benignum SYN: latent e..
- latent e. the presence of pus in a cavity, especially one of the accessory sinuses, unattended by subjective symptoms. SYN: e. benignum.
- loculated e. pyothorax in which pleural adhesions form one or more pockets containing pus.
- mastoid e. SYN: mastoiditis.
- e. necessitatis e. necessitans, a form of pyothorax in which the pus burrows to the outside, producing a subcutaneous abscess that finally ruptures through the skin; it may result in spontaneous recovery without requiring an operation.
- e. of the pericardium SYN: purulent pericarditis.
- pneumococcal e. infection of the pleural cavity by Streptococcus pneumoniae, the pneumococcus, with pus formation.
- pulsating e. a large, tense collection of pus in the pleural cavity through which the cardiac pulsations are transmitted to the chest wall.
- streptococcal e. purulent exudation into the pleural cavity caused by infection with Streptococcus hemolyticus.

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em·py·ema .em-.pī-'ē-mə n, pl -ema·ta -mət-ə also -emas the presence of pus in a bodily cavity (as the pleural cavity) called also pyothorax
em·py·emic -mik adj

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n.
pus in the pleural cavity, usually secondary to infection in the lung or in the space below the diaphragm. Empyema is a life-threatening condition, which can be relieved by aspiration or drainage of the pus or by decapsulation (see decortication).

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em·py·e·ma (em″pi-eґmə) [Gr. empyema] 1. abscess. 2. a pleural effusion (q.v.) containing pus; called also thoracic e., purulent or suppurative pleurisy, and pyothorax.

Medical dictionary. 2011.

Look at other dictionaries:

  • empyema — [em΄pī ē′mə, em΄pē ē′mə] n. pl. empyemata [em΄pī ē′mə tə, em΄pē ē′mə tə] or empyemas [altered (infl. by Gr) < ME empima < ML empyema < Gr empyēma < empyein, to suppurate < en , in + pyon, PUS] the accumulation of pus in a body… …   English World dictionary

  • Empyema — Em py*e ma, n. [NL., fr. Gr. ?, from ? to suppurate; ? in + ? pus.] (Med.) A collection of blood, pus, or other fluid, in some cavity of the body, especially that of the pleura. Dunglison. [1913 Webster] Note: The term empyema is now restricted… …   The Collaborative International Dictionary of English

  • Empyēma — (griech.), Ansammlung eiteriger Flüssigkeit in Körperhöhlen: E. der Brusthöhle (s. Brustfellentzündung 3), der Oberkieferhöhle, der Gallenblase, des Kniegelenks etc …   Meyers Großes Konversations-Lexikon

  • Empyema — Infobox Disease Name = PAGENAME Caption = DiseasesDB = ICD10 = ICD9 = ICDO = OMIM = MedlinePlus = eMedicineSubj = eMedicineTopic = MeshID = D004653 An empyema is a collection of pus within a naturally existing anatomical cavity. It must be… …   Wikipedia

  • empyema — empyemic, adj. /em pee ee meuh, puy /, n. Pathol. a collection of pus in a body cavity, esp. the pleural cavity. Also called pyothorax. [1605 15; < LL < Gk empýema abscess, equiv. to em EM 2 + pye (var. s. of pyeîn to suppurate, akin to pýon,… …   Universalium

  • empyema — noun (plural empyemata or emas) Etymology: Late Latin, from Greek empyēma, from empyein to suppurate, from em 2en + pyon pus more at foul Date: circa 1605 the presence of pus in a bodily cavity • empyemic adjective …   New Collegiate Dictionary

  • empyema — pyothorax; n. pus in the pleural cavity, usually secondary to infection in the lung or in the space below the diaphragm. Empyema is a life threatening condition, which can be relieved by aspiration or drainage of the pus or by decapsulation (see… …   The new mediacal dictionary

  • empyema — em•py•e•ma [[t]ˌɛm piˈi mə, paɪ [/t]] n. pat a collection of pus in a body cavity, esp. the pleural cavity • Etymology: 1605–15; < LL < Gk empýēma, empyē , var. of empyeîn to suppurate em py•e′mic, adj …   From formal English to slang

  • empyema — noun A collection of pus within a naturally existing anatomical cavity (as opposed to an abscess, which occurs in a newly formed cavity) …   Wiktionary

  • EMPYEMA —    a medical term signifying a diseased condition of the chest, in which pus accumulates in the pleura, cures of which are sometimes effected by drawing off the pus by means of tubes …   The Nuttall Encyclopaedia

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