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 (no͞o′mō-thôr′ăks′, nyo͞o′-)
Accumulation of air or gas in the pleural cavity, occurring as a result of disease or injury, or sometimes induced to collapse the lung in the treatment of tuberculosis and other lung diseases.


1. (Pathology) the abnormal presence of air between the lung and the wall of the chest (pleural cavity), resulting in collapse of the lung
2. (Medicine) med the introduction of air into the pleural cavity to collapse the lung: a former treatment for tuberculosis


(ˌnu məˈθɔr æks, -ˈθoʊr-, ˌnyu-)

the presence of air or gas in the pleural cavity.
ThesaurusAntonymsRelated WordsSynonymsLegend:
Noun1.pneumothorax - abnormal presence of air in the pleural cavity resulting in the collapse of the lung; may be spontaneous (due to injury to the chest) or induced (as a treatment for tuberculosis)
abnormalcy, abnormality - an abnormal physical condition resulting from defective genes or developmental deficiencies


[ˌnjuːməʊˈθɔːræks] npneumotorace m


n. neumotórax, acumulación de aire o gas en la cavidad pleural que resulta en colapso del pulmón afectado;
spontaneous ______ espontáneo;
tension ______ por tensión.


n neumotórax m
References in periodicals archive ?
(4,5) Spontaneous pneumothorax may occur years after the diagnosis.
Postoperative complication of pulmonary resection is the most common cause, followed by necrotic lung complicating infection, chemotherapy or radiotherapy (for lung cancer), and persistent spontaneous pneumothorax. Less common risk factors include ARDS, chest trauma, invasive chest procedures (including central line placements), tuberculosis, and serious co-morbid illness(s).
Bullae and spontaneous pneumothorax in anorexia nervosa
Spontaneous pneumothorax (SP) is a well-recognized pulmonary complication of a wide variety of disorders, ranging from endometriosis to metastatic malignancy.
Additional mechanical pleurodesis after thoracoscopic wedge resection and covering procedure for primary spontaneous pneumothorax. Surgical Endoscopy, 23(5), 986-900.
Primary spontaneous pneumothorax (no pre-existing or current lung pathology), secondary spontaneous pneumothorax (pre-existing or current underlying pathology) and traumatic pneumothorax (blunt or penetrating chest wall trauma)
Objective: To evaluate the outcome of treatment of primary spontaneous pneumothorax by VATS
"An absolutely, totally normal lung usually doesn't suffer spontaneous pneumothorax in the absence of trauma."
The differential diagnosis of hemothorax includes spontaneous pneumothorax, coagulopathy, vascular disease, neoplasia, and miscellaneous.
Objectives: To evaluate the efficacy of the chest tube drainage (CTD) and the needle aspiration (NA) in the treatment of primary Spontaneous pneumothorax (SP).
Thoracic endometriosis syndrome is a rare disease, commonly underdiagnosed and often inadequately treated, with a recurrence rate of ~30%, according to the British Thoracic Society guideline for management of spontaneous pneumothorax. [1,2] It is not mentioned in the 2010 guidelines of the American College of Chest Physicians for the management of spontaneous pneumothorax, [1] and South Africa does not have guidelines regarding the treatment of the condition.
Primary spontaneous pneumothorax (PSP) is the abnormal accumulation of air into the space between the parietal and the visceral pleura without underlying lung disease; the most commonly suspected reasons are pneumonia and blebs-bullas in the apical lung parenchyma (1, 2).

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