Basics of CT chest interpretation

1. Mahmoud Elhusseiny Abolmagd MSc, MD
lecturer of Pulmonary & Critical Care Medicine
Mansoura University
Basics of CT Chest

2. 1.CT Chest - Types
2.CT Chest - Anatomy
3.CT Chest - Abnormalities
CT Chest - Tutorials

3. Types of CT Chest

4. 1.Standard or Conventional CT:
CT Chest - Types

5. 2. High-resolution computed tomography(HRCT)
HRCT
STANDARD CT
CT Chest - Types

6. 3. Low Dose CT
CT Chest - Types

7. 4. CT Angiography
CT Chest - Types

8. 5. Paired Inspiratory & Expiratory chest CT scans
CT Chest - Types

9. 6. Paired Supine & Prone chest CT scans
CT Chest - Types

10. 6. Paired Supine & Prone chest CT scans
CT Chest - Types

11. Anatomy of CT Chest

12. Three views:
1. Axial view
2. Coronal view
3. Sagittal view
CT Chest Anatomy – views

13. Three Windows:
1. Mediastinal window
2. Lung window
3. Bone window
CT Chest Anatomy – Window settings

14. CT Chest Anatomy – Hounsfield unit

15. (a) Supra-aorticmediastinum
CT Chest Anatomy – Mediastinum

16. CT Chest Anatomy- mediastinum-
compartments
(a) Supra-aorticmediastinum
CT Chest Anatomy – Mediastinum

17. CT Chest Anatomy- mediastinum-
compartments
(a) Supra-aorticmediastinum
CT Chest Anatomy – Mediastinum

18. (a) Supra-aorticmediastinum
CT Chest Anatomy – Mediastinum

19. CT Chest Anatomy- mediastinum-
compartments
(b) Aorticarch
CT Chest Anatomy – Mediastinum

20. CT Chest Anatomy- mediastinum-
compartments
(b) Azygos arch & aorto-pulmonary window
CT Chest Anatomy – Mediastinum

21. (c) Main pulmonary artery
CT Chest Anatomy – Mediastinum

22. CT Chest Anatomy- mediastinum-
compartments
(c) Right pulmonary artery
CT Chest Anatomy – Mediastinum

23. CT Chest Anatomy- mediastinum-
compartments
(d) Heart and paracardiacmediastinum
CT Chest Anatomy – Mediastinum

24. CT Chest Anatomy- mediastinum-
compartments
(d) Heart
CT Chest Anatomy – Mediastinum

25. CT Chest Anatomy- mediastinum-
compartments
(d) Heart
CT Chest Anatomy – Mediastinum

26. (a) At level of trachea (Upper Lobe)
CT Chest Anatomy – lung segments

27. CT Chest Anatomy – lung segments
(a) At level of trachea (Upper Lobe)

28. CT Chest Anatomy – lung segments
(a) At level of main stem bronchi ( Carina )

29. (a) At level of main stem bronchi ( Carina )
CT Chest Anatomy – lung segments

30. (a) At level of the heart
CT Chest Anatomy – lung segments

31. (a) At level of the heart
CT Chest Anatomy – lung segments

33. Abnormalities in CT Chest

34. CT Chest Abnormalities - Trachea
“frown” sign

35. Mounier- Kuhn syndrome
 Diagnostic criteria:
Right mainstem > 2.4 cm
Left mainstem > 2.3 cm
Trachea exceed > 3.0 c
CT Chest Abnormalities - Trachea

36. Saber-sheath trachea
CT Chest Abnormalities - Trachea

37. Goiter
CT Chest Abnormalities - Thyroid

38. CT Chest Abnormalities - The Hilum
Lymph Nodes

39. CT Chest Abnormalities - The Hilum
Lymph Nodes

40. Arterial enlargement
CT Chest Abnormalities - The Hilum

41. Malignancy
CT Chest Abnormalities - The Hilum

42. Pulmonary embolism
CT Chest Abnormalities - PE

43. Lung abnormalities:
Abnormal whiteness
(increased density):
 Consolidation
 Interstitial
 Atelectasis
Nodule or mass
Abnormal blackness
(decreased density):
 Cyst
 Emphysema
 Cavity
CT Chest Abnormalities - lung fields

44. Air Bronchogram
CT Chest Abnormalities - lung fields

45.  Bat's wing or butterfly pulmonary opacities
 Reverse bat wing pulmonary opacities
CT Chest Abnormalities - lung fields

46. Post-primary pulmonary Tuberculosis
CT Chest Abnormalities - Tuberculosis

47. Miliary Tuberculosis
CT Chest Abnormalities - Tuberculosis

48. Tuberculosis: Imaging Findings
CT Chest Abnormalities - Tuberculosis

49. Aspergillomas
lung field abnormalities - Cavitation

50. The Halo sign (HS)
CT Chest Abnormalities - Aspergillosis

51. Septic emboli
CT Chest Abnormalities – Lung fields

53. Reticular Pattern
CT Chest Abnormalities - Interstitial

54. Honeycomb cysts
CT Chest Abnormalities - Interstitial

55. Nodular pattern
CT Chest Abnormalities - Interstitial

56. Reticulonodular pattern
CT Chest Abnormalities - Interstitial

57. Ground-glass opacification/opacity (GGO)
CT Chest Abnormalities - Interstitial

58. Crazy paving
CT Chest Abnormalities - Interstitial

59. Sarcoidosis
CT Chest Abnormalities - Sarcoidosis

60. 1. Nodal changes
CT Chest Abnormalities - Sarcoidosis

61. 2. Parenchymal changes
CT Chest Abnormalities - Sarcoidosis

62. Usual interstitial pneumonia (UIP)
CT Chest Abnormalities - IPF

63. Bronchiectasis
CT Chest Abnormalities - Bronchiectasis

64. Bronchiectasis
CT Chest Abnormalities - Bronchiectasis

65. Pulmonary emphysema
CT Chest Abnormalities - Emphysema

66. Vanishing Lung Syndrome (BullousEmphysema)
CT Chest Abnormalities - Emphysema

67. Complete Atelectasis
lung field abnormalities - Atelectasis

68. Right lower lobe collapse
lung field abnormalities - Atelectasis

70. Pneumothorax
Pleural diseases

71. Pleural effusion
Pleural diseases

72. Pleural effusion
Pleural diseases

73. Pleural effusion
Pleural diseases

74. Cardiomegaly
CT Chest Abnormalities - Heart

75. Cardiomegaly
CT Chest Abnormalities - Heart

76. Congestive heart failure
CT Chest Abnormalities - Heart

78. Virtual Bronchoscopy

79. Virtual Bronchoscopy

80. Electron Beam CT Chest

81. Electron Beam CT Chest

82. Electron Beam CT Chest

83. Combined PET CT Scan

84. Combined PET CT Scan

85. Combined PET CT Scan

86. Combined PET CT Scan

87. CT Guided Biopsy

88. CT Guided Biopsy

89. CT Guided Biopsy

90. CT Guided Biopsy

91. CT Guided Biopsy

92. CT Guided Biopsy

93. CT Guided Biopsy

94. 94

95. Thank You..