J Radiol
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Blunt chest traumas are a major concern in the setting of high-speed deceleration accidents, since they are associated with a high mortality rate. However, their prompt diagnosis and treatment allows for significant improvement of blunt chest trauma patient's clinical prognosis. If chest radiograph remains the initial screening test, the role of CT is increasing since it provides fast, sensitive, accurate and exhaustive survey of blunt chest trauma patients. The purpose of this article is to review the various radiological and CT patterns of blunt chest lesions.
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Subglottic area injuries after prolonged endotracheal intubation are relatively frequent but cricoid cartilage necrosis is rare, with uncertain prognosis. Endoscopic findings are evocative even when clinical signs are not. ⋯ The CT appearance is not specific, but the diagnosis can be strongly suggested in cases of fragmentation and collapse of the cricoid cartilage. We report two cases of cricoid chondronecrosis.