CNS Radiology: Investigation for Brain and Skull Disorders
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Questions and Answers

What is the approximate duration of the sub-acute phase of hematoma?

  • 7-10 days
  • 3-7 days (correct)
  • 0-3 days
  • 10-14 days

What is the most common cause of morbidity worldwide, according to the text?

  • Atherosclerotic embolism
  • Ischaemic stroke
  • Myocardial infarction (correct)
  • Cardiac embolism

What is the term used to describe the accumulation of blood within different intracranial spaces?

  • Intraventricular haemorrhage
  • ICH (correct)
  • Intracerebral haemorrhage
  • Intracranial haemorrhage

What is the feature of a chronic hematoma on a CT scan?

<p>Hypodense (D)</p> Signup and view all the answers

What is the term used to describe the accumulation of blood within the brain tissue?

<p>Intra-axial haemorrhage (D)</p> Signup and view all the answers

What is the purpose of localization in diagnosing ICH?

<p>To determine the location of the hematoma (D)</p> Signup and view all the answers

What is the primary investigation used for evaluating disorders of bones of the skull?

<p>Plain films (C)</p> Signup and view all the answers

What is the term used to describe the appearance of CSF on a CT scan of the brain?

<p>Water density (D)</p> Signup and view all the answers

What is the primary goal of a CT scan in the acute setting of a stroke?

<p>To exclude ICH and look for early features of infarction (A)</p> Signup and view all the answers

What is the term used to describe the appearance of the falx on a CT scan of the brain?

<p>Radiodense (D)</p> Signup and view all the answers

What is the consequence of a breakdown of the blood-brain barrier in a contrast-enhanced CT scan?

<p>It allows contrast to enter the lesion (A)</p> Signup and view all the answers

What is the reason for posterior fossa being obscured on a CT scan of the brain?

<p>Overlying temporal and occipital bone (B)</p> Signup and view all the answers

Which part of the brain is responsible for regulating body temperature, hunger, and thirst?

<p>Hypothalamus (B)</p> Signup and view all the answers

What is the primary role of a cerebral angiogram in recent times?

<p>Interventional purposes for treating vascular malformations (C)</p> Signup and view all the answers

Which imaging modality is the best for acute brain infarction?

<p>MRI (B)</p> Signup and view all the answers

What is a common indication for a plain x-ray skull?

<p>Trauma (C)</p> Signup and view all the answers

Which of the following is an invasive technique?

<p>Cerebral angiogram (A)</p> Signup and view all the answers

What is the purpose of MRV?

<p>Confirming presence of venous thrombosis (C)</p> Signup and view all the answers

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