13 Infections of the Central Nervous System
13.1 Pathogens Responsible for Bacterial Infections The epidemiology of bacterial meningitis has changed significantly, primarily because of widespread immunization with the conjugated Haemophilus influenzae vaccine (HIB) in 1990 and the…
12 Neurotrauma
Echoencephalogram is an obsolete examination nowadays (▶Fig. 12.1). It was the initial and basic test of severe head injuries in the pre-CT scan era. Fig. 12.1 Echoencephalogram. This ECHO demonstrates…
11 Movement Disorders
11.1 Hyperkinetic Movement Disorders Disorder Movement characteristics Athetosis Slow, distal, writhing, and involuntary with a propensity to affect the arms and hands Chorea Rapid, semipurposeful, graceful, dancelike, nonpatterned moving involving…
10 Peripheral Nerve Disorders
10.1 Carpal Tunnel Syndrome Carpal tunnel syndrome (CTS) is a common clinical condition, occurring in 1 out of 50 people at any one time; over 50% present with bilateral disease….
9 Spinal Disorders
9.1 Failed Back Surgery Syndrome Recurrent or residual low back pain after lumbar disc surgery; incidence ranges between 5 and 40% Incorrect original diagnosis Permanent nerve root injury from the…
8 Cerebrovascular Disease (Stroke)
The diagnosis of acute ischemic stroke is often straight forward. The sudden onset of a focal neurologic deficit, such as hemiparesis, focal weakness, and aphasia, in a recognizable vascular pattern…
7 Demyelinating Disease and Brain Atrophy
7.1 Multiple Sclerosis (Synonym: Disseminated sclerosis) Multiple sclerosis (MS) is a chronic inflammatory autoimmune disease of unknown etiology that involves demyelination of the central nervous system (CNS) with resultant neurologic…
6 Intracranial Tumors
Brain tumors may originate from neural elements within the brain or they may represent spread of distant cancers. Gliomas, metastases, meningiomas, pituitary adenomas, and acoustic neuromas account for 95% of…
2 Neuroradiology
2.1 Imaging Findings of Various Calvarial Bone Lesions CT and MRI have been incorporated into the basic imaging tools for evaluating calvarial lesions with their increasing frequency. Therefore, it is…