Neupsy Key

Introduction The diagnosis of spinal cord infarction (SCI) has changed significantly in the past decade, largely due to the contributions of neuroimaging. Historically SCI was considered to be rare, with…

Introduction Vertebral hemangiomas (VHs) are benign vascular tumors frequently encountered as incidental findings on computed tomography (CT) or magnetic resonance imaging (MRI). The vast majority are quiescent, with classic imaging…

Introduction Subacute progressive ascending myelopathy (SPAM) is an exceedingly rare and poorly understood complication of spinal cord injury. As the natural history of this process is quite peculiar, it is…

Key WordsKummel, Osteonecrosis, Vacuum Cleft, Osteoporosis, Vertebroplasty   Introduction Kummel disease was first described by Hermann Kummell in 1891 as delayed posttraumatic vertebral collapse occurring weeks or months after an…

Introduction The term syringomyelia was introduced by the French pathologist and clinician Charles-Prosper Ollivier d’Angers in 1827 to described cystic cavities in the spinal cord. More specifically, hydromyelia refers to…

Key WordsChordoma, Notochord, Ecchordosis physaliphora   Introduction Chordomas are unusual tumors with seemingly unconventional traits. Most notably, they are malignant primary bone tumors but not sarcomas. They derive from embryologic…

Introduction Infections of the spine are not uncommon in clinical practice. There are many terms used to describe essentially the same pathologic entity at different stages of evolution. In adults,…

Key WordsTuberculosis, Pott Disease, gibbus deformity, cold abscess, Brucellosis   Introduction Tuberculosis (TB) is classically considered an infectious disease of developing countries; however, it has made a resurgence in other…

Introduction Hypertrophic olivary degeneration (HOD) is the result of an insult to the dentato-rubro-olivary pathway ( Fig. 22.1 ), otherwise known as the Guillain-Mollaret triangle (GMT). After an insult (infarct,…

Introduction Pituitary apoplexy (PA) is a rare clinical condition presenting most commonly with acute headache as well as vomiting, visual impairment, ophthalmoplegia, altered mental state, and potentially panhypopituitarism. Occasionally it…