Paroxysmal Sympathetic Hyperactivity after Acute Brain Injury Huimahn Alex Choi Sophie Samuel Teresa A. Allison INTRODUCTION After surviving acute brain injury, patients can develop paroxysmal sympathetic hyperactivity (PSH), a syndrome…
Neurogenic Orthostatic Hypotension, Autonomic Failure, and Acquired and Familial Autonomic Neuropathy Louis H. Weimer INTRODUCTION Autonomic disorders are generally considered to be uncommon conditions, but in fact, autonomic dysfunction is…
Acquired and Hereditary Myelopathies Natalie R. Weathered Noam Y. Harel INTRODUCTION Myelopathy indicates pathology of the spinal cord leading to dysfunction of central motor and sensory circuits, as opposed to…
Cervical and Lumbar Spinal Stenosis Lewis P. Rowland Paul C. McCormick INTRODUCTION Cervical and lumbar spinal stenosis are the most common causes of neck and back pain and spinal cord…
Intervertebral Disk Disease and Radiculopathy Peter D. Angevine Hani R. Malone Paul C. McCormick INTRODUCTION Intervertebral disk disease is responsible for a range of pain syndromes that have been recognized…
Intracranial Hypotension Emitseilu K. Iluonakhamhe Tiffany R. Chang Kiwon Lee INTRODUCTION In 1825, Magendie described a patient with symptoms of unsteadiness and vertigo resulting from hypotension of spinal fluid and…
Brain Edema and Disorders of Intracranial Pressure Stephan A. Mayer INTRODUCTION Brain edema accompanies a wide variety of pathologic processes. It plays a major role in head injury, stroke, brain…
Hydrocephalus Michelle L. Ghobrial Leon D. Prockop Fred Rincon INTRODUCTION Hydrocephalus is characterized by an imbalance in the production, drainage, and reabsorption of cerebrospinal fluid (CSF) resulting in a dilation…
Complications of Cancer Therapy Jasmin Jo David Schiff INTRODUCTION Neurologic complications of cancer therapy are relatively common and may be disabling. Understanding these complications may mitigate or halt progression of…
Spinal Tumors David Cachia Claudio E. Tatsui Mark R. Gilbert INTRODUCTION Tumors of the spinal cord or nerve roots are similar to intracranial tumors in cellular type. They may arise…
