4. CXR (2010 C1)

4. CXR (2010 C1) - Chest Imaging 1 2 Abnormal Cases Bone...

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Unformatted text preview: Chest Imaging 1 2 Abnormal Cases Bone Cardiovascular Airspace Disease including Silhouette Sign Interstitial Disease and Pulmonary Edema Atelectasis Pulmonary Nodule Pleura and Diaphragm Mediastinal Mass 3 Bone and Soft Tissues Fractures 4 5 Presenting CXR 6 7 MRI Computed Tomography Pancoast Tumour 8 Cardiovascular 9 154 slides Increased Cardiac Size: Can be Cardiac or Pericardial Pericardial Effusion Dilated Cardiomyopathy What imaging would you use to differentiate between the two ? 9 10 154 slides Left Ventricular Enlargement Enlargement of Left Ventricle Left Ventricle IVC 10 Pulmonary embolism Pulmonary embolism Airspace Disease and Silhouette Sign 14 15 Normal lung Individual alveoli are too small to resolve, but together they appear radiolucent. 16 Air-space Disease Filling of alveoli by: water, blood, pus, proteinaceous fluid, or cells-opacities-consolidation Air-space pattern of lung disease 17 18 Airspace Disease Filling in of acini (air space) Air space (acinar) nodules Coalesce to consolidation Air bronchograms Silhouette Sign 19 Air Space Disease: Etiology Water-Pulmonary Edema Pus-Infections, Non-infectious inflammatory process Blood-Pulmonary Hemmorhage Protein-Alveolar Proteinosis Tumour-BAC, Lymphoma 20 154 slides Bronchopneumonia Pattern: Airspace Nodules 20 21 154 slides Acinar Nodules Computed Tomography 21 22 Air Bronchogram Airways are not normally seen in a normal chest radiograph because they are an air structure within an aerated lung When the aerated lung opacify, the bronchii become visualized because of the surrounding contrast effect. 23 154 slides airbronch 23 24 25 CT Consolidation: Air Bronchograms 26 Silhouette Sign Definition: The effacement of a normal structure Example: Airspace disease may silhouette: right heart margin with right middle lobe pneumonia diaphragm with lower lobe pneumonia 27 Silhouette sign sign describes the observation that an intrathoracic lesion will obliterate borders of shadows of similar radiodense structures...
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This note was uploaded on 01/21/2012 for the course PDBIO 305 taught by Professor Woods,a during the Fall '08 term at BYU.

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4. CXR (2010 C1) - Chest Imaging 1 2 Abnormal Cases Bone...

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