http://www.cancerstreatment.com Fri, 05 Mar 2010 02:18:34 +0000 http://backend.userland.com/rss092 en MRI initially provided two types of images, designated T1 and T2. For brain tumors, the former generally showed a well-demarcated area of low density, and the latter showed bright whiteness that encompassed a more extensive region owing to the signal of the surrounding brain edema. With the availability for general ... http://www.cancerstreatment.com/2010/02/03/mri-initially-provided-two-types-of-images/ Patients who present with symptoms and signs of increased intracranial pressure or a first convulsive seizure need to be hospitalized. Diagnosis and treatment measures must be started at once; it may be unsafe to wait. Those who present with focal neurologic impairment and who do not have symptoms of increased ... http://www.cancerstreatment.com/2009/12/25/differential-diagnosis-of-brain-tumors/ SYMPTOMS AND SIGNS: Viagra professional Brain tumors present in two patterns, not necessarily mutually exclusive. One consists of nonfocal symptoms of increased intracranial pressure, such as headaches, nausea, vomiting, confusion, and lethargy. The other consists of symptoms or signs of focal brain dysfunction, such as hemianopia, hemiparesis, cranial nerve palsies, or focal ... http://www.cancerstreatment.com/2009/12/23/initial-evaluation/ COMMON BRAIN TUMORS IN ADULTS WITH PERCENTAGE INCIDENCE BY CATEGORY: Canadian cialis METASTATIC PRIMARY EXTRA-AXIAL PRIMARY INTRA-AXIAL Lung (37) Meningioma (80) Glioblastoma (47) Breast (19) Acoustic neuroma (10) Anaplastic astrocytoma (24) Melanoma (16) Pituitary adenoma (7) Astrocytoma (15) Colorectum (9) Other (3) Oligodendroglioma (5) Kidney (8) Lymphoma (2) Other (11) Other (7) These figures, given in parentheses, can be extremely variable from one center to another, depending on referral pattern. They ... http://www.cancerstreatment.com/2009/12/18/common-brain-tumors/ More than 18,000 new cases of primary brain tumors are treated each year in the United States. Metastases are even more frequent and contribute considerably to suffering and death from systemic cancer. The diversity of brain tumors makes it important to attend to what is characteristic about each histologic type. ... http://www.cancerstreatment.com/2009/12/15/brain-tumors/ Additional therapy for increased ICP includes the use of osmotic diuretics, such as mannitol. In the face of deepening coma, pupil inequality, or other deterioration of the neurologic examination, mannitol may be life saving. Mannitol (0.25 to 1.0 gm/kg) can effectively reduce cerebral edema by producing an osmotic gradient that ... http://www.cancerstreatment.com/2009/12/11/osmotic-agents/ Airway. Rapid sequence induction (RSI) for intubation is an effective method for securing the airway in combative or agitated patients. Hypotension. Herbal phentermine If hypotension is detected at any time in the course of the emergent management of a head-injured patient, a cause should be sought other than the head injury. Hypotension is rarely ... http://www.cancerstreatment.com/2009/12/09/emergency-department/ Central Transtentorial. The central transtentorial herniation syndrome is demonstrated by rostrocaudal neurologic deterioration caused by an expanding lesion at the vertex or the frontal or occipital pole of the brain. It is less common than uncal transtentorial herniation. Clinical deterioration occurs as bilateral central pressure is exerted on the brain from ... http://www.cancerstreatment.com/2009/12/07/central-transtentorial/ The Cushing Reflex Progressive hypertension associated with bradycardia and diminished respiratory effort is a specific response to acute, potentially lethal rises in ICP. This response is called the Cushing reflex, and its occurrence indicates that the ICP has reached life-threatening levels. The Cushing reflex can occur whenever ICP is increased, regardless ... http://www.cancerstreatment.com/2009/12/03/the-cushing-reflex/ Cerebral edema is an increase in brain volume caused by an absolute increase in cerebral tissue water content.Diffuse cerebral edema may develop soon after head injury. Vasogenic edema arises from transvascular leakage caused by mechanical failure of the tight endothelial junctions of the BBB. Vasogenic edema is frequently associated with ... http://www.cancerstreatment.com/2009/12/02/cerebral-edema/