CT findings in COVID 19. Brief outline of radiological Ct findings in SARS-COV2.

1. BY DR NISHANT RAJ

2. PRIMARY FINDINGS ON CT
• Ground-glass Opacities (Ggo): Bilateral, Subpleural, Peripheral
• Crazy Paving Appearance (Ggos And Inter-/Intra-lobular SeptalThickening)
• Air Space Consolidation
• BronchovascularThickening InThe Lesion
• Traction Bronchiectasis

4. GROUND GLASS
OPACITY

6. CRAZY PAVING
PATTERN

8. VASCULAR DILATATION

9. TRACTIONAL BRONCHIECTASIS

10. SUBPLEURAL FIBROTIC BANDS

14. EARLY PHASE OF COVID 19

15. LATE PHASE OF COVID 19

16. LATE PHASE OF COVID 19

17. TEMPORAL PROGRESSION EXAMPLE 1

18. TEMPORAL PROGRESSION EXAMPLE 2

19. TEMPORAL PROGRESSION EXAMPLE 3

20. TEMPORAL PROGRESSION EXAMPLE 4

21. TEMPORAL PROGRESSION EXAMPLE 5

22. CLASSIFICATIONOF PATTERNS IN HRCT*
• TYPICAL APPEARANCE
• INDETERMINATE APPEARANCE
• ATYPICAL APPEARANCE
• NEGATIVE FOR PNEUMONIA
• * As per Radiology Society of North America(RSNA)

23. TYPICALAPPEARANCE

24. TYPICAL
APPEARANCE

25. TYPICAL
APPEARANCE

26. TYPICAL
APPEARANCE

27. OTHER
DISEASES
WITH SIMILAR
FINDINGS

28. CT SEVERITY SCORE
Severity score is assigned by scoring the percentages of each of the five lobes
that is involved:
1.< 5% involvement
2.5%-25% involvement
3.26%-49% involvement
4.50%-75% involvement
5.> 75% involvement.
• The total CT score is the sum of the individual lobar scores and ranges from 0
(no involvement) to 25 (maximum involvement).