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Oral Recalls: Chest(7)
Coarctation of the aorta. Rib notching causedby the dilated intercostal arteries.
http://www.learningradiology.com/archives04/COW%20128-Coarctation/coarctcorrect.htm
Coarctation of the aorta.
http://www.bcm.edu/pediatrics/index.cfm?Realm=99992426&This_Template=Muzzy_Text
Thechest radiograph reveals an abnormal convexity of the ascending aorta and anunusual appearance of the distal aortic arch consistent with a “threesign”. This is a finding most often noted with true aortic coarctations, but can be seen in pseudocoarctations. The patient was asymptomaticclinically and did not demonstrate a gradient across the abnormal narrowing ofthe aortic arch, hence the diagnosis of pseudocoarctation. Incidental note is made ofport in right chest wall.
3Dreformatted image demonstrates pseudocoarctation of the aorta.
http://caseinpoint.acr.org/
Frontalradiograph on left demonstrates isolated enlargement of the ascending aorta.The left ventricle is enlarged and the heart is mildly enlarged overall. Thelateral view on the right demonstrates calcifications in the region of theaortic valve leaflets.
http://www.learningradiology.com/archives04/COW%20118-Aortic%20Stenosis/ascorrect.htm
Ascendingaortic aneurysm and bicuspid aortic valve in a 40-year-old woman. (a,b) Contrast-enhanced CT scan (a) and VR image (b) showan ascending aortic aneurysm. (c) Oblique axial image through theplane of the aortic valve shows the bicuspid nature of the valve.
http://radiographics.rsna.org/content/29/2/537.figures-only
The Westermark sign indicates the abrupt cutoffof pulmonary vascularity distal to a large central pulmonary embolus. Thepresumed mechanism behind the image arises from the nearly complete obstructionof bloodflow to the pulmonary artery distal tothe embolic clot.
http://www.med.yale.edu/intmed/cardio/imaging/findings/westermark_sign/index.html
Hamptonhump.
http://www.flickr.com/photos/clinicalcases/9263629/
Pulmonaryartery sarcoma in a 70-year-old man with dyspnea. Axial contrast-enhanced CTscan shows filling defects in the main, left, and right pulmonary arteries andthe right interlobar pulmonary artery. The arterial lumina are expanded, and extravascularmediastinal invasion is seen.
http://radiographics.rsna.org/content/29/1/31.figures-only
Frontalchest x-ray shows normal-sized heart with enlarged left atrium.
http://www.learningradiology.com/archives03/COW%20072-Mitral%20stenosis/mscorrect.htm
Transpositionof the great arteries compared with normal anatomy. (a) Chest radiographobtained in a neonate shows narrowing of the superior mediastinum, enlargementof the cardiac silhouette with abnormal convexity of the right atrial border,and increased vascular flow—typical features of transposition of the greatarteries.
http://radiographics.rsna.org/content/27/5/1323.figures-only
Thisright ventricular angiogram shows a patient with transposition of the greatarteries. The aorta arises directly from the right-sided anterior rightventricle (70° left anterior oblique [LAO]).
http://emedicine.medscape.com/article/900574-media
Thisleft ventricular angiogram shows a patient with transposition of the greatarteries. The pulmonary artery arises directly from the left-sided posteriorleft ventricle (30° right anterior oblique [RAO]).
http://emedicine.medscape.com/article/900574-media
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