Inflammation of the lungs. SEE ALSO: pneumonia. SYN: pulmonitis. [G. pneumon, lung, + -itis, inflammation]
- acute interstitial p. usually considered a form of hypersensitivity p..
- hypersensitivity p. chronic progressive form of pneumonia with wheezing, dyspnea, diffuse infiltrates seen on radiographs; occurs following exposure to any of a variety of antigens, sometimes occupational, and many names are given to cases with known types of exposure (such as farmer's lung, maple bark stripper's lung, chicken plucker's lung, bagassosis, byssinosis, and humidifier lung); biopsy findings usually show patchy infiltration of alveolar walls with lymphocytes, plasma cells, and other inflammatory cells; can progress to irreversible interstitial fibrotic disease with restrictive pattern on pulmonary function, but in early disease most manifestations are reversible if offending antigen is identified and removed from environment.
- lymphocytic interstitial p. a rare disease characterized by interstitial accumulation of lymphocytes in the lungs and late fibrosis; usually a result of a lymphoma, occasionally seen in AIDS, especially in children; sometimes seen as an autoimmune disorder. SYN: lymphocytic interstitial pneumonia, lymphoid interstitial pneumonia.
- uremic p. SYN: uremic lung.

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pneu·mo·ni·tis .n(y)ü-mə-'nīt-əs n, pl -nit·i·des -'nit-ə-.dēz
1) a disease characterized by inflammation of the lungs esp PNEUMONIA

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inflammation of the lung that is confined to the walls of the air sacs (alveoli) and often caused by viruses or unknown agents. It may be acute and transient or chronic, leading to increasing respiratory disability. It does not respond to antibiotics but corticosteroids may be helpful. Compare pneumonia.

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pneu·mo·ni·tis (noo″mo-niґtis) [pneumon- + -itis] inflammation of the lungs. See also pneumonia.

Medical dictionary. 2011.

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Look at other dictionaries:

  • Pneumonitis — Pneu mo*ni tis, n. [NL. See {Pneumo }, and { itis}.] (Med.) Inflammation of the lungs; pneumonia. [1913 Webster] …   The Collaborative International Dictionary of English

  • Pneumonitis —   die, /... tiden, zusammenfassende Bezeichnung für entzündliche Prozesse des Lungenzwischengewebes (Interstitium), einschließlich der durch ionisierende Strahlen hervorgerufenen Veränderungen (Strahlenfibrose) …   Universal-Lexikon

  • pneumonitis — [no͞o΄mə nīt′əs, nyo͞o΄mə nīt′əs] n. pl. pneumonitides [noo΄mənit′ə dēz΄] an inflammation of the lung …   English World dictionary

  • Pneumonitis — Klassifikation nach ICD 10 J84 Sonstige interstitielle Lungenkrankheiten …   Deutsch Wikipedia

  • Pneumonitis — ) Bagassosis ** (ICD10|J|67|2|j|60) Bird fancier s lung ** (ICD10|J|67|3|j|60) Suberosis ** (ICD10|J|67|4|j|60) Maltworker s lung ** (ICD10|J|67|5|j|60) Mushroom worker s lung ** (ICD10|J|67|6|j|60) Maple bark stripper s lung **… …   Wikipedia

  • Pneumonitis, radiation — Inflammation of the lungs as a result of radiation. Although the radiation can be from various sources including accidents, today it is usually from radiation therapy. Radiation pneumonitis typically occurs after radiation treatments for cancers… …   Medical dictionary

  • pneumonitis — noun Etymology: New Latin, from Greek pneumōn Date: circa 1834 inflammation of the lungs …   New Collegiate Dictionary

  • pneumonitis — /nooh meuh nuy tis, nyooh /, n. Pathol. inflammation of the lung caused by a virus or exposure to irritating substances. [1815 25; < NL; see PNEUMON , ITIS] * * * …   Universalium

  • pneumonitis — noun inflammation of the tissue of the lungs …   Wiktionary

  • pneumonitis — pneu|mo|ni|tis Mot Pla Nom femení …   Diccionari Català-Català

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