Items tagged “chest”
77 results found
Aberrant right subclavian artery
Aberrant right subclavian arteries (ARSA), also known as arteria lusoria, are among the commonest aortic arch anomalies. Epidemiology The estimated incidence is 0.5-2% 1. Associations as can be expected from the embryological development of the artery, the right recurrent laryngeal nerve...
Variant anatomy of the aortic arch
Variant anatomy of the aortic arch occurs when there is failure of normal aortic development. It results in a number of heterogenous anomalies of the aorta and its branch vessels. Gross anatomy Normally, the aorta ascends in the superior mediastinum to the level of the sternal notch before arc...
Golden S-sign (lung lobe collapse)
The Golden S-sign is seen on both PA chest radiographs and on CT scans. It is named because this sign resembles a reverse S shape, and is therefore sometimes referred to as the reverse S-sign of Golden. Although typically seen with right upper lobe collapse, the S-sign can also be seen with the...
Asbestos is a set of six naturally occurring silicate minerals from mixture of calcium magnesium, iron, and sodium exploited commercially for their desirable physical properties, particularly their resistance to heat and burning. They all form thin elongated fibrous crystals, and can be manufact...
Granulomatosis with polyangiitis
Published 20 Oct 2010
Published 14 Jan 2011
Left ventricular enlargement
Left ventricular enlargement can be the result of a number of conditions, including: pressure overload hypertension aortic stenosis volume overload aortic regurgitation mitral regurgitation wall abnormalities left ventricular aneurysm hypertrophic cardiomyopathy / dilated cardiomyopathy...
Published 04 Jul 2011
Right paratracheal stripe
The right paratracheal stripe is a normal finding on the frontal chest x-ray and represents the right tracheal wall, adjacent pleural surfaces and any mediastinal fat between them. It is visible because of the silhouette sign created by air within the trachea medially and air within the lung lat...
Chest x-ray lines and stripes
Chest x-ray lines and stripes are important to recognize on chest radiographs. Lines are usually less than 1 mm in width and are comprised of tissue outlined on either side by air and typically represent pleural-covered structures within the middle and superior mediastinum 1,2: anterior junct...
Published 02 Aug 2011
Pleural effusion (ultrasonography)
Published 29 Feb 2012
Non-Hodgkin lymphoma infiltrating the thoracic wall
Published 02 May 2012
The retrosternal airspace is seen as a normal lucency between the posterior aspect of the sternum and anterior aspect of the ascending aorta on lateral chest radiographs. This space normally measures less than 2.5 cm in width. Increased retrosternal airspace is a sign of pulmonary emphysema, whi...
Cardiophrenic angle lesions
The cardiophrenic space is usually filled with fat. However, lesions originating above or lower to the diaphragm can present as cardiophrenic angle lesions. The more common lesions encountered include: pericardial fat pad pericardial cyst pericardial fat necrosis Morgagni's hernia lymphade...
Published 26 Nov 2012
CT Annotated image
Bronchopleural fistula - postoperative complication
Published 29 Dec 2012
Superior sulcus tumor
Published 30 Dec 2012
Tree-in-bud appearance - endobronchial spreading of pulmonary tuberculosis
Published 31 Dec 2012
CT angiogram sign - pulmonary lymphoma
Published 13 Jan 2013