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</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</p> Signup and view all the answers

    What is the purpose of localization in diagnosing ICH?

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

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

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

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

    <p>Hypothalamus</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</p> Signup and view all the answers

    Which imaging modality is the best for acute brain infarction?

    <p>MRI</p> Signup and view all the answers

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

    <p>Trauma</p> Signup and view all the answers

    Which of the following is an invasive technique?

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

    What is the purpose of MRV?

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

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