Pulmonary contusion CT: Difference between revisions
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{{Pulmonary contusion}} | {{Pulmonary contusion}} | ||
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== | ==Overview== | ||
[[Image:Pulmonary contusion pseudocyst CT.jpg| | ==CT== | ||
[[Image:Pulmonary contusion pseudocyst CT.jpg|left|thumb|A chest CT scan revealing pulmonary contusions, pneumothorax, and [[pseudocyst]]s]] | |||
[[Computed tomography]] (CT scanning) is a more sensitive test for pulmonary contusion,<ref name="mlr07"/><ref name="Fleisher06"/> and it can identify[[abdominal trauma|abdominal]], chest, or other injuries that accompany the contusion.<ref name="Bastos08"/> In one study, chest X-ray detected pulmonary contusions in 16.3% of people with serious blunt trauma, while CT detected them in 31.2% of the same people.<ref name="Keel07"> | [[Computed tomography]] (CT scanning) is a more sensitive test for pulmonary contusion,<ref name="mlr07"/><ref name="Fleisher06"/> and it can identify[[abdominal trauma|abdominal]], chest, or other injuries that accompany the contusion.<ref name="Bastos08"/> In one study, chest X-ray detected pulmonary contusions in 16.3% of people with serious blunt trauma, while CT detected them in 31.2% of the same people.<ref name="Keel07"> | ||
Revision as of 14:50, 25 September 2012
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Editor-In-Chief: C. Michael Gibson, M.S., M.D. [1]
Overview
CT
Computed tomography (CT scanning) is a more sensitive test for pulmonary contusion,[1][2] and it can identifyabdominal, chest, or other injuries that accompany the contusion.[3] In one study, chest X-ray detected pulmonary contusions in 16.3% of people with serious blunt trauma, while CT detected them in 31.2% of the same people.[4] Unlike X-ray, CT scanning can detect the contusion almost immediately after the injury.[5] However, in both X-ray and CT a contusion may become more visible over the first 24–48 hours after trauma as bleeding and edema into lung tissues progress.[6] CT scanning also helps determine the size of a contusion, which is useful in determining whether a patient needs mechanical ventilation; a larger volume of contused lung on CT scan is associated with an increased likelihood that ventilation will be needed.[5] CT scans also help differentiate between contusion and pulmonary hematoma, which may be difficult to tell apart otherwise.[7] However, pulmonary contusions that are visible on CT but not chest X-ray are usually not severe enough to affect outcome or treatment.[8]
(Images shown below courtesy of RadsWiki)
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CT image demonstrates bilateral pulmonary contusions
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CT image demonstrates bilateral pulmonary contusions
References
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- ↑
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Keel M, Meier C (2007). "Chest injuries - what is new?". Current Opinion in Critical Care. 13 (6): 674–679. doi:10.1097/MCC.0b013e3282f1fe71. PMID 17975389. Unknown parameter
|month=ignored (help) - ↑ 5.0 5.1
- ↑
Miller LA (2006). "Chest wall, lung, and pleural space trauma". Radiologic Clinics of North America. 44 (2): 213–224, viii. doi:10.1016/j.rcl.2005.10.006. PMID 16500204. Unknown parameter
|month=ignored (help) - ↑ Grueber GM, Prabhakar G, Shields TW (2005). "Blunt and penetrating injuries of the chest wall, pleura, and lungs". In Shields TW. General Thoracic Surgery. Philadelphia, PA: Lippincott Williams & Wilkins. p. 959. ISBN 0-7817-3889-X.
- ↑