Chapter 14

A patient with severe renal failure but not on dialysis required CT angiogram. In addition to keeping the patient well hydrated, what may be given to the patient to minimize contrast nephropathy?

• Hydrocortisone

• Magnesium sulfate

• N-Acetylcysteine

• Ramipril

• Sodium bicarbonate

Early subacute subdural hematoma (4-7 days old) is most likely to display which one of the following characteristics on MRI?

• T1 hypointense, T2 hypointense

• T1 hypointense, T2 isointense

• T1 hypointense, T2 hyperintense

• T1 isointense, T2 hypointense

• T1 hyperintense, T2 hypointense

True diffusion restriction is best assessed by looking at which one of the following MR sequences?

• Diffusion tensor imaging

• Diffusion weighted image and apparent diffusion coefficient map

• Fractional anisotropy map

• T2 gradient echo

• T1 with gadolinium

A ring-enhancing lesion on contrast CT has the below appearance on DWI (C- DWI, D- ADC map) sequence. Which one of the following is of most concern?

• Cerebral abscess

• Encephalitis

• Glioblastoma multiforme

• Metastasis

• Radiation necrosis

Which one of the following combinations of findings on perfusion weighted MR suggests early infarction

• Bright on DWI, low rCBF, long rMTT, low CBV

• Bright on DWI, high rCBF, long rMTT, low CBV

• Bright on DWI, low rCBF, short rMTT, low CBV

• Bright on DWI, low rCBF, long rMTT, high CBV

• Dark on DWI, low rCBF, long rMTT, low CBV

Which one of the following tracts is most likely depicted in the figure below?

• Cingulum

• Corona radiata

• Corpus callosum

• U fibers

• Vertical occipital fasciculus

Which one of the following tracts is most likely depicted in the figures below?

• Anterior commissure

• Extreme capsule

• Fornix

• Posterior commissure

• Posterior limb of internal capsule

Which one of the following tracts is most likely depicted in the figure below?

• Corpus callosum

• Corona radiata

• Corticospinal tract

• Inferior frontooccipital fasciculus

• Superior frontooccipital fasciculus

Which one of the following tracts is most likely depicted in the figure below?

• Corona radiata

• Corticospinal tract

• Medial longitudinal fasciculus

• Reticulospinal tract

• Spinothalamic tract

Which one of the following tracts is most likely depicted in the figure below?

• Arcuate fasciculus

• Cingulum bundle

• Cingulum bundle

• Corticospinal tract

• SFOF