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imaging methods > Neuroradiology > Flashcards

Neuroradiology Flashcards

1
Q
  1. A native head X-Ray
A

– Has very low sensitivity and is becoming less frequently used

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2
Q
  1. For which of the following indications is CT not appropriate? -
A

Spinal pathology

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3
Q
  1. Fresh intracranial haemorrhage appears on a native CT -
A

As a hyperdense lesion

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4
Q
  1. When a stroke is suspected, the first method of choice is -
A

Native CT of the head

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5
Q
  1. What types of lesions in the brain are hyperdense on a native CT? –
A

Calcifications, hemorrhagic contusion and epidural bleeding

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6
Q
  1. The most sensitive imaging method for displaying the CNS structures is -
A

MRI

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7
Q
  1. Acute MRI can be indicated for -
A

Suspected spinal cord injuries

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8
Q
  1. Which of these brain examinations lasts the longest? -
A

MRI

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9
Q
  1. MRI should be the first-choice method for which brain areas? -
A

The sellar region and the brainstem

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10
Q
  1. Head CT is ideal for -
A

Evidence of intracranial haemorrhage

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11
Q
  1. Why is FLAIR sequence on MRI is used in neuroradiology? -
A

Due to the suppression of fluid signal we distinguish better T2 hypersignal pathologies

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12
Q
  1. For the evaluation of pathologies near the ventricular system on MRI, it is best to use -
A

FLAIR

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13
Q
  1. Which sequence is ideal for displaying pathologies of white matter on MRI? -
A

FLAIR

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14
Q
  1. Which sequence in brain MRI is sensitive to hemoglobin breakdown products (and thus, for example, is good for hematoma diagnosis)?
A
  • T2*
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15
Q
  1. Which sequence is best for evaluating areas rich in fat? -
A

SPIR

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16
Q
  1. The signal of DWI / SE sequence on MRI depends -
A

On the Brown’s motion of the molecules

17
Q
  1. Hypersensitivity region on DWI-ADC maps on MRI signifies so-called diffusion restriction, which is usually -
A

A sign of cytotoxic edema.

18
Q
  1. Most brain pathologies are ………… on a T2 weighted MRI image (fill in the space) -
A

hypersignal

19
Q
  1. Which of these are hyposignal on T2 weighted images on an MRI of the brain? –
A

Calcification and bleeding

20
Q
  1. Large fat structures (such as lipoma) are ………….. on T1 weighted images on an MRI of the brain (fill in the space) -
A

hypersignal

21
Q
  1. Ultrasound of the brain
A
  • is used in newborns
22
Q
  1. When brain hemorrhage is suspected, the first-choice method for investigation is –
A

Native CT of the head

23
Q
  1. To exclude a skull fracture, the method of choice is
A

– Native CT

24
Q
  1. What is the best diagnostic modality for processes in the posterior cerebral fossa? -
A

MRI

25
Q
  1. What is the best diagnostic modality for pathologies of the cerebral white matter? (eg Multiple Sclerosis) -
A

MRI

26
Q
  1. Both temporal bones are visible on the following sections
A
  • Frontal and transverse

imaging methods (13 decks)

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