Canadian Association of Radiologists journal = Journal l'Association canadienne des radiologistes
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Progression of cystic changes in the lung, with development of pneumothoraces long after withdrawal of ventilatory support, was observed in two patients who recovered from adult respiratory distress syndrome. On pathologic examination both pleural and parenchymal cysts were confirmed.
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We report a patient with a traumatic lung cyst, documenting its radiological evolution: the formation of the pneumatocele, the appearance posteriorly of an intracavitary hematoma, and the spontaneous resolution of the radiological abnormalities.
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Vasculitis is a clinical-pathological process characterized by inflammation and necrosis of blood vessels. It has been effectively classified by Fauci. Granulomatosis in the lung may be angiocentric or bronchocentric in distribution. ⋯ Because the radiology of these diseases can be similar, their important differences are highlighted. The appearance of multiple nodules, often with cavities, and pleural-based consolidations resembling pulmonary infarcts should suggest pulmonary angiitis and granulomatosis, especially if improvement occurs in one area while disease is progressing elsewhere. Bronchocentric granulomatosis is not a primary vasculitis but is discussed because of its similarity to the other diseases.
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A patient is described in whom a right atrial thrombus was seen, by two-dimensional echocardiography, in the act of embolizing into the pulmonary circulation.