Thoracic Key

Level of aortic injury Direct signs Indirect signs Minimal aortic injury Intraluminal thrombus: round or triangular intraluminal filling defect attached to the wall of the aorta Intimai flap: small (<1…

Fig 1. Extraparenchymal mass forms an obtuse angle with the chest wall in a patient with a solitary plasmacytoma. Note the bone destruction indicating the origin of the tumor outside…

Fig 1 a, b. Left upper lobe atelectasis. Postera-anterior (PA) chest radiograph (a) shows left upper lobe atelectasis manifesting as a vague left upper lung zone opacity with elevation of…

Fig 1 a, b. Teratoma. Posteroanterior chest X-ray shows a left anterior mediastinal mass (a). Axial CT demonstrates a large soft-tissue mass with a fat component (b, arrow) The incidence…

Fig 1 a, b. Cardiac magnetic resonance (MR) tagging. Magnetic strips are placed in the heart before contraction (diastole, a) and then followed throughout the cardiac cycle (systole, b) to…

Fig 1 a–c. Rupturing thoracic aortic aneurysm. a Unenhanced computed tomography (CT) demonstrates a high-attenuation hematoma in the right pleural space and middle mediastinum. There is an aneurysm of the…

Fig 1 a–d. A 53-year-old man who underwent chest radiography for pain in the right axilla. Posteroranterior (a) and lateral (b) radiographs were interpreted as normal. With hindsight bias from…

Fig 1 a–f. Types of calcification. Benign: a central, b central multifocal, c uniform, d lamellar. Indeterminate: e eccentric, f stippled Fig 2. Pulmonary hamartoma. Intralesional fat and popcorn calcification…

T Primary Tumor T1 Tumor ⩽3 cm in greatest dimension, surrounded by lung or visceral pleura, without bronchoscopic evidence of invasion more proximal than a lobar bronchus (i.e., not in…

Fig 1. Simulation of reduced scan length and estimated organ doses in pulmonary CT angiography to rule out pulmonary embolism, in which the lung apex and base are excluded. A…