Central Nervous System Tumors
19 Central Nervous System Tumors The most common tumors in the central nervous system (CNS) are metastases from distant neoplasms, with lung cancer accounting for nearly half of…
Movement Disorders
16 Movement Disorders PARKINSON DISEASE Idiopathic Parkinson disease (PD) is the most common neurodegenerative movement disorder and is the most important form of parkinsonism, the clinical syndrome characterized…
Neuro-Ophthalmology
4 Neuro-Ophthalmology Neuro-ophthalmology is a field that helps elucidate the causes of visual symptoms, such as double vision (diplopia), and signs including pupillary dysfunction and eye movement abnormalities….
Radiculopathy, Plexopathy, and Peripheral Neuropathy
23 Radiculopathy, Plexopathy, and Peripheral Neuropathy The peripheral nervous system (PNS) consists of spinal nerve roots, the brachial and lumbosacral plexi, peripheral nerves, autonomic ganglia, the neuromuscular junction,…
Systemic Conditions with Neurologic Manifestations
18 Systemic Conditions with Neurologic Manifestations Central and peripheral neurologic dysfunction can arise in the setting of conditions with primary endocrine, electrolyte, hematologic, or metabolic causes. Nutritional and…
Headache and Facial Pain
10 Headache and Facial Pain Headache disorders are among the most prevalent medical problems worldwide. The World Health Organization estimates that 50% to 75% of all adults between…
Pediatric Neurology
25 Pediatric Neurology Neurologic disorders in children are encountered commonly by pediatricians and family physicians. Although many neurologic illnesses that affect infants and children also affect adults (such…
Neurologic Investigations
2 Neurologic Investigations CEREBROSPINAL FLUID ANALYSIS Cerebrospinal fluid (CSF) bathes the internal and external surface of the brain and spinal cord. It is produced by the choroid plexus…
Head Trauma
17 Head Trauma EPIDEMIOLOGY Estimates of the annual number of head injuries in the United States range from 500,000 to 1.5 million, with the large majority being mild…
