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Basics of Chest Imaging

Basics of Chest Imaging

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Basics of Chest Imaging

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  1. Basics of Chest Imaging Rebecca Peterson, M. D. Associate Professor Department of Radiology University of Ottawa

  2. Anatomy

  3. Normal PA

  4. Normal Lateral

  5. The Chest X-ray in Disease

  6. Basic Patterns of Disease Air-Space Disease VS Interstitial Disease

  7. Pulmonary Acinus

  8. Air space disease

  9. Consolidation • Means “solid lung” • Implies that there is “air-space disease” • May occur with or without volume loss

  10. Consolidation without volume loss

  11. Air Bronchogram

  12. Air Bronchogram

  13. Characteristics of Air Space Disease • Acinar shadow • Homogeneous density (consolidation) • “Silouette”sign • Loss of distinct margins next to consolidation • Air bronchogram • Non-segmental distribution

  14. Consolidation RML abnormal normal

  15. Consolidation RML normal abnormal

  16. Causes of Airspace Disease • Infection • Hemorrhage • Edema • Neoplasm • Idiopathic

  17. Consolidation withvolume loss “Atelectasis” or “collapse”

  18. Normal Collapse LLL

  19. Collapse LLL

  20. Direct signs of volume loss • Movement of a fissure

  21. Indirect signs of volume loss • Upward shift of the diaphragm • Mediastinal shift to that side • Movement of main-stem bronchus • Hypovascularity of remaining lung due to hyperinflation • Lung looks darker

  22. Collapse RUL complete incomplete

  23. Collapse RUL incomplete complete

  24. Collapse LUL incomplete complete

  25. Collapse LUL incomplete complete

  26. Collapse LLL

  27. Collapse LLL

  28. Collapse RML

  29. Collapse RML

  30. TEST