Neuroradiology interactive lecture

1. Neuroradiologyinteractive lecture 366 RAD (Radiology)

2. Name the structures Skull X-RAY LAT. VIEW SKULL PA VIEW L

4. Which is true on this brain CT regarding anatomy: • Internal capsule • Caudate head • Cerebral peduncle • Putamen • Thalamus • 4th ventricle

5. Which is true on this brain CT regarding anatomy: • Anterior Horn of the Lateral Ventricle • Caudate Nucleus • Anterior Limb of the Internal Capsule • Putamen and Globus Pallidus • Posterior Limb of the Internal Capsule • Third Ventricle • Quadrigeminal Plate Cistern • Cerebellar Vermis • Occipital Lobe

6. Which is true in CT? • Bone is black • CSF is black • Gray matter is darker than white matter • Gray and white matter can not be differentiated

7. Which is true in CT? • Bone is black • CSF is black • Gray matter is darker than white matter • Gray and white matter can not be differentiated

9. Name the structures

10. Name the structures

11. Contraindication of MRI include all the following EXCEPT: • cardiac pacemaker • cochlear implants • metal close to the eye • neurostimulators • pregnancy (3rd trimester)

12. Contraindication of MRI include all the following EXCEPT: • cardiac pacemaker • cochlear implants • metal close to the eye • neurostimulators • pregnancy (3rd trimester)

13. MRI diffusion (DWI) is particularly helpful in assessment of all the following EXCEPT: • Brain infarction • Brain abscess • Brain tumors • Hydrocephalus

14. MRI diffusion (DWI) is particularly helpful in assessment of all the following EXCEPT: • Brain infarction • Brain abscess • Brain tumors • Hydrocephalus

15. MRI Diffusion.. • MR diffusion • Very helpful in assessment of: • Early brain infarction. • Brain abscess. • Certain types of brain tumor. ADC map DWI

16. Which of the following is true? • This is CTA study • This is MRA study • This can only be done with contrast • This is good to diagnose cerebral venous thrombosis

17. Which of the following is true? • This is CTA study • This is MRA study • This can only be done with contrast • This is good to diagnose cerebral venous thrombosis

18. An MRI showed intra-axial lesion that is necrotic, irregular, strongly enhancing, and crossing midline. This lesion is most likely: • Meningioma • Infarction • Multiple sclerosis • Glioblastoma multiforme

19. An MRI showed intra-axial lesion that is necrotic, irregular, strongly enhancing, and crossing midline. This lesion is most likely: • Meningioma • Infarction • Multiple sclerosis • Glioblastoma multiforme

21. The lesion on this CT is: • Meningioma • Abscess • Multiple sclerosis • Glioblastoma multiforme

22. The lesion on this CT is: • Meningioma • Abscess • Multiple sclerosis • Glioblastoma multiforme

23. The lesion on this MRI is: • Meningioma • Infarction • Metastasis • Abscess

24. The lesion on this MRI is: • Meningioma (extra-axial) • Infarction • Metastasis • Abscess

26. The lesion on this MRI is: Pituitary adenoma Craniopharyngioma Meningioma Glioblastomamultiforme

27. The lesion on this MRI is: Pituitary adenoma Craniopharyngioma (multi-cyctic) Meningioma Glioblastomamultiforme

28. The abnormalities on this MRI are due to: Multiple sclerosis Meningitis Brain tumor Encephalitis

29. The abnormalities on this MRI are due to: Multiple sclerosis Meningitis Brain tumor Encephalitis

30. Which of the following is true about the lines of the cervical spine? • Red is intervertebral line • Brown is posterior spinous line • Green is spinolaminar line • Blue is posterior vertebral line

31. Which of the following is true about the lines of the cervical spine? • Red is intervertebral line • Brown is posterior spinous line • Green is spinolaminar line • Blue is posterior vertebral line

33. This MRI of the spine shows: • Meningocele • Extradural tumor • Discitis • Vertebral fusion

34. This MRI of the spine shows: • Meningocele • Extradural tumor • Discitis • Vertebral fusion

35. Patient C Patient B Patient A

36. Patient C EXTRA dural extra medullary (Epi dural ) Patient B Intra dural extra medullary Patient A T 1 Intra dural intra medullary

37. EXTRA dural extra medullary (Epi dural ) Intra dural intra medullary Intra dural extra medullary

38. What is the difference? Patient Normal control

39. What is the difference? Patient Normal control Cervical spondylosis

40. T2WI FLAIR DWI • This MRI shows an infarction in the right basal ganglia. • The infarction is: • Acute (recent) • Chronic (old) • Hemorrhagic • In PCA territory

41. T2WI FLAIR DWI • This MRI shows an infarction in the right basal ganglia. • The infarction is: • Acute (recent) >> bright in all MRI sequence • Chronic (old) • Hemorrhagic • In PCA territory

42. T2WI FLAIR DWI • This patient is most likely to have: • Left monoplegia • Left hemiplegia • Diplegia • No symptoms

43. T2WI FLAIR DWI • This patient is most likely to have: • Left monoplegia • Left hemiplegia • Diplegia • No symptoms

44. This CT shows: Subdural hematoma Subarachnoid hemorrhage Intraventricular hemorrhage All of the above

45. This CT shows: Subdural hematoma Subarachnoid hemorrhage Intraventricular hemorrhage All of the above

46. The hematoma pointed by the arrow is: Acute epidural Chronic epidural Acute subdural Chronic subdural None of the above

47. The hematoma pointed by the arrow is: Acute epidural Chronic epidural Acute subdural Chronic subdural None of the above

48. This CT shows: Acute PCA infarct Chronic ACA infarct Subarachnoid bleeding Meningioma Abscess

49. This CT shows: Acute PCA infarct Chronic ACA infarct Subarachnoid bleeding Meningioma Abscess

50. Thank you