CNS Radiology: Investigation for Brain and Skull Disorders

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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?

Hypodense Signup and view all the answers

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

Intra-axial haemorrhage Signup and view all the answers

What is the purpose of localization in diagnosing ICH?

To determine the location of the hematoma Signup and view all the answers

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

Plain films Signup and view all the answers

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

Water density Signup and view all the answers

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

To exclude ICH and look for early features of infarction 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?

Radiodense Signup and view all the answers

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

It allows contrast to enter the lesion Signup and view all the answers

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

Overlying temporal and occipital bone Signup and view all the answers

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

Hypothalamus Signup and view all the answers

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

Interventional purposes for treating vascular malformations Signup and view all the answers

Which imaging modality is the best for acute brain infarction?

MRI Signup and view all the answers

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

Trauma Signup and view all the answers

Which of the following is an invasive technique?

Cerebral angiogram Signup and view all the answers

What is the purpose of MRV?

Confirming presence of venous thrombosis Signup and view all the answers