Acute Haemorrhagic Stroke Introduction Haemorrhagic stroke is less common than occlusive ischaemic stroke. About 15% of stroke is due to primary haemorrhage which can be SAH, subdural, parenchymal, intraventricular, or…

Variations in Arterial Anatomy Introduction MDCTA offers a new appreciation of arterial and venous anatomy. All arteries and veins will show complete ‘filling’ or enhancement which, if the protocol is…

Intracranial Imaging in Stroke: Ischaemic Introduction ‘Stroke’ is a clinical diagnosis characterized by a sudden onset of acute neurological symptoms of presumed vascular origin. This chapter illustrates some of the…

Visual Failure Introduction A patient with visual failure is a relatively common referral to neuroradiology from many clinical specialities. The site of the pathology affecting the visual pathway can be…

Cranial Nerve Palsies 3-6 Introduction Palsies of the 3rd to the 6th nerves can be caused by pathology anywhere along the length of the nerve from the superior orbital fissure…

Pituitary Imaging Introduction Magnetic resonance imaging is an excellent imaging modality for pituitary and optic chiasmal disease. However, MDCT is a proven accurate alternative if and when MR is not…

Orbital Pathology Introduction The Royal College of Radiologists of the United Kingdom affirm that CT is the optimal investigation for orbital pathology because of the good spatial resolution and inherent…

Contrast Enhanced Brain Imaging Introduction Since the development of brain CT in the early 1970s, intravenous iodinated contrast enhanced brain imaging has been recognized as providing additional information. It improves…

Routine Noncontrast Brain Imaging Introduction Using a modern multidetector computed tomography (MDCT) system, ‘routine’ brain scanning should usually be performed using incremental techniques. Scanning incrementally, rather than helically, gives high…