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HOW READ CHEST CT -1     ANAS SAHLE ,MD
Basic elements               Appearance                 pattern                                 DistributionPatient data  ...
Appearance pattern Increased Decreased                          Nodular      Linear    lung        lung                   ...
Increased lung attenuation         Ground-glass opacity             Consolidation
Decreased lung attenuation               Hypo-perfusion                 Air-trapping            Cyctic,cyct-like lesions  ...
Nodular pattern           Size       Appearance       Attenuation       Distribution
Linear patternWhen the interstitium is     thickened?When lymphatics are involved?   When blood vessels, airways are      ...
Distribution patternUpper   Lower                Diffuse   Central   peripheral lung    lung
Upper                       Lower                                                   Diffuse lung                        lu...
Central                      peripheral                                               UIP         Sarcoidosis             ...
How  read  chest ct  1
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How read chest ct 1

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Transcript of "How read chest ct 1"

  1. 1. HOW READ CHEST CT -1 ANAS SAHLE ,MD
  2. 2. Basic elements Appearance pattern DistributionPatient data pattern Ct interpretation
  3. 3. Appearance pattern Increased Decreased Nodular Linear lung lung opacities opacitiesattenuation attenuation
  4. 4. Increased lung attenuation Ground-glass opacity Consolidation
  5. 5. Decreased lung attenuation Hypo-perfusion Air-trapping Cyctic,cyct-like lesions Pulmonary emphysema
  6. 6. Nodular pattern Size Appearance Attenuation Distribution
  7. 7. Linear patternWhen the interstitium is thickened?When lymphatics are involved? When blood vessels, airways are involved? When lung atelectasis or fibrosis occurs?
  8. 8. Distribution patternUpper Lower Diffuse Central peripheral lung lung
  9. 9. Upper Lower Diffuse lung lung LCH Oedema Hyper-sensitivity pneumonitis Sarcoidosis UIP Silicosis NSIP LAM Pneumocoiosis DIP Tuberculosis COP Diffuse pneumoniaRespiratory bronchiolitis Asbestosis Cystic fibrosis Lipoid pneumonia Metastses Chronic eosinophylic Metastses pneumoniaCentilobular emphysema Alveolar hemorrhage SarcoidosisParaseptal emphysema Panlobular emphysema
  10. 10. Central peripheral UIP Sarcoidosis NSIP DIP Silicosis AIP PE COPLymphangitic spread of tumors Asbestosis Chronic eosinophylic pneumonia Alveolar protenosis Hyper-sesitivity pneumonitis Septic emboli Metastses Large airway disease Small airway disease

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