Neuroradiology

interactive lecture366 RAD (Radiology)

Prof. Ibrahim A. Alorainy

Skull X-RAY LAT. VIEW

LLSKULL PA VIEW

Name the structures

Which is true on this brain CT regarding anatomy:

A. Internal capsuleB. Caudate headC. Cerebral peduncleD. PutamenE. ThalamusF. 4th ventricle

Which is true in CT?

A. Bone is blackB. CSF is blackC. Gray matter is darker than white matterD. Gray and white matter can not be differentiated

Name the structures

Contraindication of MRI include all the following EXCEPT:

A.A. cardiac pacemakercardiac pacemakerB.B. cochlear implantscochlear implantsC.C. metal close to the eyemetal close to the eyeD.D. neurostimulatorsneurostimulatorsE.E. pregnancy (3pregnancy (3rdrd trimester) trimester)

MRI diffusion (DWI) is particularly helpful in assessment of EXCEPT:

A.A. Brain infarctionBrain infarctionB.B. Brain abscessBrain abscessC.C. Brain tumorsBrain tumorsD.D. HydrocephalusHydrocephalus

MRI Diffusion..MRI Diffusion..

DWI ADC map

MR diffusion

Very helpful in assessment of:

•Early brain infarction.

•Brain abscess.

•Certain types of brain tumor.

Which of the following is true?

A. This is CTA studyB. This is MRA studyC. This can only be done with contrastD. This is good to diagnose cerebral

venous thrombosis

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

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

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

The lesion on this MRI is:A.Pituitary adenomaB.CraniopharyngiomaC.MeningiomaD.Glioblastoma multiforme

The abnormalities on this MRI are due to:A.Multiple sclerosisB.MeningitisC.Brain tumorD.Encehalitis

Which of the following is true about the lines of the cervical spine?

A. Red is intervertebral lineB. Brown is posterior spinous line C. Green is spinolaminar lineD. Blue is posterior vertebral line

This MRI of the spine shows:

A. MeningoceleB. Extradural tumorC. DiscitisD. Vertebral fusion

Patient A Patient B Patient C

Normal control Patient

What is the difference?

DWIDWIFLAIRFLAIRT2WIT2WI

This MRI shows an infarction in the right basal ganglia.The infarction is:

A. Acute (recent)B. Chronic (old)C. HemorrhagicD. In PCA territory

DWIDWIFLAIRFLAIRT2WIT2WI

This patient is most likely to have:A. Left monoplegiaB. Left hemiplegiaC. DiplegiaD. No symptoms

This CT shows:

A.Subdural hematomaB.Subarachnoid hemorrhageC.Intraventricular hemorrhageD.All of the above

The hematoma pointed by the arrow is:

A.Acute epiduralB.Chronic epiduralC.Acute subduralD.Chronic subduralE.None of the above

This CT shows:

A.Acute PCA infarctB.Chronic ACA infarctC.Subarachnoid bleedingD.MeningiomaE.Abscess