Neuroimaging Basics

1. Dr. Sujit Kumar Kar
Assistant Professor in Psychiatry
King George’s Medical University, Lucknow

2. Foundation of Imaging

5. CT Scan : Brain
Computed
Tomography
Scan

6. CT Scan : Brain

7. CT Scan : Brain
Godfrey Hounsfield

8. CT Scan : Brain
Noble Prize in 1979
- Godfrey Hounsfield & Allan
McLeod Cormack
- For developing the
diagnostic technique of X-
ray computed tomography
Allan McLeod Cormack

9. CT Scan : Brain
Units of Measurement:
Hounsfield Unit

10. CT Scan : Brain

11. CT Scan

12. • Metastatic tumor

13. CT Scan

14. • Calcifications in B/l Basal ganglia, Frontal
lobes, Cerebellar hemispheres

15. CT Scan

16. • Extradural hematoma

17. CT Scan

18. • Intracerebral hematoma/ hemorrhage

19. CT Scan

20. • Chronic subdural hematoma

21. CT Scan

22. • Combination of extradural, subdural and
subarachnoid hemorrhage

23. CT Scan

24. • Intracerebral haemorrhage with
intraventricular extension

25. CT Scan

26. • Subdural hemorrhage

27. CT Scan

28. • Infarct in the MCA territory

29. CT Scan

30. • Hydrocephalus: Communicating

31. CT Scan

32. • Hydrocephalus: Non-communicating

33. CT Scan

34. • Diffuse cerebral atrophy

35. CT Scan

36. • Neurocysticercosis

37. CT Scan

38. • Neurocysticercosis

39. CT Scan

40. • Tuberculoma

41. CT Scan

42. • Meningioma

43. CT Scan

44. • Meningioma

45. CT Scan

46. • Brain abscess

49. Paul Lauterbur

50. Magnetic Resonance Imaging
Radio frequency
energy when placed
in an external
magnetic field.

51. Magnetic Resonance Imaging

52. Magnetic Resonance Imaging

55. Magnetic Resonance Imaging

56. Magnetic Resonance Imaging

57. Magnetic Resonance Imaging