Case 1: Question. 1.1 What is the main pattern of this HRCT? 1. Intralobular line 2. Groundglass opacity 3. Perilymphatic nodule

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1 HRCT WORK SHOP

2 Case 1

3

4 Case 1: Question 1.1 What is the main pattern of this HRCT? 1. Intralobular line 2. Groundglass opacity 3. Perilymphatic nodule

5 Case 1: Question 1.2 What is the diagnosis? 1. Hypersensitivity pneumonitis 2. Silicosis 3. Alveolar proteinosis 4. Miliary tuberculosis

6 Case 2

7

8 Case 2 : Question 2.1 What is the main pattern of this HRCT? 1. Nodule 2. Groundglass opacity 3. Reticular line

9 Case 2 : Question 2.2 What is the intralobular distribution? 1. Centrilobular 2. Perilymphatic 3. Random

10 Case 2 : Question 2.3 What is the diagnosis? 1. Hypersensitivity pneumonitis 2. Silicosis 3. Lymphangitic carcinomatosis 4. Miliary tuberculosis

11 Case 3

12

13 Case 3 : Question 3.1 What about the lung volume? 1. Increase 2. Normal 3. Decrease

14 Case 3 : Question 3.2 What is the intralobular distribution? 1. Centrilobular 2. Perilymphatic 3. Random

15 Case 4

16

17 Case 4: Question 4.1 What is the intralobular distribution? 1. Centrilobular 2. Perilymphatic 3. Random

18 Case 4: Question 4.2 What is the associated finding? 1. Bronchiectasis 2. Lymphadenopathy 3. Pleural effusion

19 Case 4: Question 4.3 What is the diagnosis? 1. Bronchial spreading tuberculosis 2. Miliary tuberculosis 3. Lymphangitic carcinomatosis

20 Case 5

21

22 Case 5: Question 5.1 What is the main pattern of this HRCT? 1. Micronodule 2. Line 3. Both 1 and 2

23 Case 5: Question 5.2 What is the intralobular distribution? 1. Centrilobular 2. Perilymphatic 3. Random

24 Case 6

25

26 Case 6: Question 6.1 What is this CT sign? 1. Crazy paving 2. Mosaic pattern

27 Case 7

28

29 Case 7: Question 7.1 What is the craniocaudal distribution? 1. Upper + middle 2. Lower + middle 3. Diffuse

30 Case 7: Question 7.2 What is the diagnosis? 1. Emphysema 2. Langerhans cell histocytosis (LCH) 3. Lymphangiomyomatosis (LAM)

31 Case 8

32

33 Case 8: Question 8.1 What is the main pattern of this HRCT? 1. Honeycomb 2. Groundglass opacity 3. Consolidation

34 Case 9

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36 Case 9: Question 9.1 What is the diagnosis? 1. Emphysema 2. Langerhans cell histocytosis(lch) 3. Lymphangiomyomatosis (LAM)

37 Case 10

38

39 Case 10: Question 10.1 What is the main pattern of this HRCT? 1. Smooth septal thickening 2. Nodular septal thickening 3. Centrilobular nodule

40 Case 10: Question 10.2 What is the associated finding? 1. Pleural effusion 2. Pulmonary arterial hypertension 3. Lymphadenopathy

41 Case 11

42

43 Case 11: Question 11.1 What is the main pattern of this HRCT? 1. Smooth interlobular septal thickening 2. Nodule 3. Ground glass opacity

44 Case 11: Question 11.2 What is the pattern of disease spreading? 1. Perilymphatic spreading 2. Bronchial spreading

45 Case 11: Question 11.3 What is the associated finding? 1. Pleural effusion 2. Enlarged lymph node 3. 1 and 2

46 Case 11: Question 11.4 What is the diagnosis? 1. PAP 2. Hypersensitivity pneumonitis 3. Lymphangitic carcinomatosis

47 Case11 : Question 11.5 What is the best further investigation? 1. Surgical Bx 2. Thoracoscopic Bx 3. Bronchoscopic BX

48 Case 12

49

50 Case12 : Question 12.1 What is the main pattern of this HRCT? 1. Interlobular line 2. Intralobular line 3. GGO

51 Case 12 : Question 12.2 What is the axial distribution? 1. Peripheral 2. Central 3. Diffuse

52 Case 12 : Question 12.3 What is the intralobular distribution? 1. Perilobular 2. Centrilobular 3. Panlobular

53 Case 13

54

55 Case 13 : Question 13.1 What about the lung volume? 1. Increase 2. Normal 3. Decrease

56 Case 13 : Question 13.2 What is the main pattern of this HRCT? 1. Reticulation 2. Nodule 3. Honeycombing

57 Case 13 : Question 13.3 What is the craniocaudal distribution? 1. Upper 2. Diffuse 3. Lower

58 Case 13 : Question 13.4 What is the axial distribution? 1. Peripheral 2. Diffuse 3. Central

59 Case 13 : Question 13.5 What is the intralobular distribution? 1. Perilobular 2. Centrilobular 3. Panlobular

60 Case 14

61

62 Case 14 : Question 14.1 What is the main pattern of this HRCT? 1. Reticulation 2. Groundglass opacity 3. Honeycombing

63 Case 14 : Question 14.2 What is the craniocaudal distribution? 1. Upper 2. Diffuse 3. Lower

64 Case 14 : Question 14.3 What is the axial distribution? 1. Peripheral 2. Diffuse 3. Central

65 Case 14 : Question 14.4 What is the intralobular distribution? 1. Panlobular 2. Centrilobular 3. Perilobular

66 Case 14 : Question 14.5 A patient known to have systemic sclerosis for 5 years develops dry cough, dyspnea on exertion and shortness of breath. What is the proper management? 1. Surgical biopsy 2. Pulmonary function test 3. Bronchoscopic biopsy

67 Case 15

68

69 Case 15 : Question 15.1 What is the main pattern of this HRCT? 1. Groundglass opacity 2. Nodule 3. Reticulation

70 Case 15 : Question 15.2 What is the most likely diagnosis? 1. BOOP 2. Lymphoma 3. NSIP

71 Case 15 : Question 15.3 What is the best further management? 1. Bronchoscopic biopsy 2. Surgical biopsy 3. Steroid

72 Case 16

73

74 Case 16: Question 16.1 What is the main pattern of this HRCT? 1. Groundglass opacity 2. Nodule 3. reticulation

75 Case 16: Question 16.2 What is the craniocaudal distribution? 1. Upper 2. Diffuse 3. Lower

76 Case 16 : Question 16.3 What is the axial distribution? 1. Peripheral 2. Diffuse 3. Central

77 Case 17

78

79 Case 17 : Question 17.1 What about the lung volume? 1. Increased 2. Normal 3. Decreased

80 Case 17 : Question 17.2 What is the axial distribution? 1. Peripheral 2. Diffuse 3. Central

81 Case 17 : Question 17.3 What is the intralobular distribution? 1. Perilymphatic 2. Centrilobular 3. Random

82 Case 18

83

84 Case 18 : Question 18.1 What is the main pattern of this HRCT? 1. Ground glass opacity 2. Septal thickening 3. 1 and 2

85 Case 18: Question 18.2 What is the craniocaudal distribution? 1. Upper 2. Diffuse 3. Lower

86 Case 18: Question 18.3 What is the axial distribution? 1. Peripheral 2. Diffuse 3. Central

87 Case 18 : Question 18.4 What is intralobular distribution? 1. Perilymphatic 2. Centrilobular 3. Random

88 Case 18 : Question 18.5 What is the associated finding? 1. Lymph node enlargement 2. Lung mass 3. Pleural thickening

89 Case 18 : Question 18.6 What is the diagnosis? 1. Lymphangitic carcinomatosis 2. Pulmonary alveolar proteinosis 3. Pulmonary edema

90 Case 19

91

92 Case 19 : Question 19.1 What is the main pattern of this HRCT? 1. Ground glass opacity 2. Ill-defined nodule and 2.

93 Case 19: Question 19.2 What is the axial distribution? 1. Peripheral 2. Diffuse 3. Central

94 Case 19 : Question 19.3 What is the intralobular distribution? 1. Perilymphatic 2. Centrilobular 3. Random

95 Case 19 : Question 19.4 What is the diagnosis? 1. Hypersensitivity pneumonitis 2. NSIP 3. PAP

96 Case 20

97

98 Case 20 : Question 20.1 What is the main pattern of this HRCT? 1. Nodule 2. Ground glass opacity 3. Septal thickening 4. 2 and 3.

99 Case 20 : Question 20.2 What is the distribution of this HRCT in axial view? 1. Peripheral 2. Diffuse 3. Central

100 Case 20 : Question 20.3 What is the intralobular distribution? 1. Perilymphatic 2. Centrilobular 3. Random

101 Case 20: Question 20.4 What is the associated finding? 1. Lymph node enlargement 2. Pericardial thickening and 2.

102 Case 20: Question 20.5 What is the diagnosis? 1. Lymphangitic carcinomatosis 2. PAP 3. Pulmonary edema

103 Suspected diffused lung disease Chest radiograph Normal or equivocal Abnormal Suggestive of sarcoidosis HRCT with prone views HRCT Trans bronchial Bx Normal Abnormal See next slide Bx if clinical/physiologic evidence of disease See next slide

104 Suspected diffused lung disease Specific CT pattern(uip,eg,lam,h P, Lipoid Pneumonia) CT pattern suggestive of HP sarcoid, lymphagitic carcinoma,pap, alveolar carcinoma,eosinophillic pneumonia, BOOP Other CT pattern Accept CT diagnosis if clinical scenario is consistent Trans bronchial biopsy and/or brochoalveolar lavage (CT directed) Thoracosopic biopsy (CT directed)

105 Thank you

Case 1 : Question. 1.1 What is the intralobular distribution? 1. Centrilobular 2. Perilymphatic 3. Random

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