1. MedlinePlus Medical Encyclopedia: Brain Abscess cerebral abscess is a medical emergency! Prevention Return to top. The risk ofdeveloping a cerebral abscess may be reduced by treating any disorders that http://www.nlm.nih.gov/medlineplus/ency/article/000783.htm

@import url(/medlineplus/images/advanced.css); Skip navigation Medical Encyclopedia Other encyclopedia topics: A-Ag Ah-Ap Aq-Az B-Bk ... Z Brain abscess Contents of this page: Illustrations Alternative names Definition Causes, incidence, and risk factors ... Prevention Illustrations Amebic brain abscess Alternative names Return to top Abscess - brain; Cerebral abscess; CNS abscess Definition Return to top A brain abscess is a mass of immune cells, pus, and other material that can occur when the brain is infected by bacteria or fungus. Causes, incidence, and risk factors Return to top Brain abscesses commonly occur when bacteria or fungi infect part of the brain. Inflammation develops in response. Infected brain cells, white blood cells, and live and dead microorganisms collect in a limited area of the brain. This area becomes enclosed by a membrane that forms around it and creates a mass. While this immune response can protect the brain by isolating the infection, it can also do more harm than good. The brain swells in response to the inflammation, and the mass may put pressure on delicate brain tissue. Infected material can block the blood vessels of the brain, further damaging tissues by causing cell death and swelling of additional cells. Multiple abcesses are uncommon except in immunocompromised patients.

2. Virtual Hospital: Infectious Diseases Of The Central Nervous System: Cerebral Ab Image of cerebral abscess. http://www.vh.org/Providers/TeachingFiles/CNSInfDisR2/Text/146.html

Infectious Diseases of the Central Nervous System Cerebral Abscess: Multiple Gary Baumbach, M.D., Department of Pathology, University of Iowa College of Medicine Peer Review Status: Internally Peer Reviewed Hematogenous spread of infection into the CNS from a source such as bacterial endocarditis often produces multiple abscesses, which on gross examination present as widespread small hemorrhages as shown on this slide. Thus, the true nature of these lesions is usually not appreciated grossly. Section Top Title Page Virtual Hospital Home Virtual Children's Hospital Home ... University of Iowa http://www.vh.org/adult/provider/pathology/CNSInfDisR2/Text/146.html

3. MedlinePlus Medical Encyclopedia Brain Abscess Amebic brain abscess Alternative names Return to top. Abscess brain; cerebral abscess; CNS abscess Definition Return to top http://tmsyn.wc.ask.com/r?t=an&s=hb&uid=24312681243126812&sid=343126

4. Virtual Hospital: Infectious Diseases Of The Central Nervous System: Parenchymal At least 75% of cerebral abscesses are associated with infections elsewhere in There is a predominance of cerebral abscesses in males by a ratio of 21, http://www.vh.org/adult/provider/pathology/CNSInfDisR2/Text/PInf.CA.html

Infectious Diseases of the Central Nervous System Parenchymal Infections: Cerebral Abscess Gary Baumbach, M.D., Department of Pathology, University of Iowa College of Medicine Peer Review Status: Internally Peer Reviewed At least 75% of cerebral abscesses are associated with infections elsewhere in the body. In the preantibiotic era, most brain abscesses were secondary to direct extension of infections of the mastoid region, middle ear, or the paranasal sinuses. Since the advent of antibiotics, however, most infections associated with cerebral abscesses are localized to the lungs and endocardium. There is a predominance of cerebral abscesses in males by a ratio of 2:1, and 50% of cases have multiple sites of CNS involvement. Clinically, the course of the primary infection varies from months to years, but once CNS symptoms arise the clinical course progresses rapidly downhill despite antibiotic treatment. The mortality rate varies from 33 to 50%. The organisms most commonly responsible for cerebral abscesses are listed here . Other organisms which may produce a cerebral abscess in rare situations are the coliforms and actinomyces. Occasionally, cultures will show a mixed population of organisms, and about 25% of cultured abscesses will be sterile. Besides bacteria, certain fungi and parasites may also produce abscees under special conditions which will be discussed below. The most common location of an abscess in the CNS depends on the source of the infection. With blood-borne infections, an abscess may form anywhere in the CNS with equal likelihood, whereas those seeded from mastoid infections usually result in an abscess in the posterior fossa. Abscesses which arise secondarily to infections of the paranasal sinuses are usually found in the frontal lobes.

5. Virtual Hospital Infectious Diseases Of The Central Nervous Image of cerebral abscess. http://tmsyn.wc.ask.com/r?t=an&s=hb&uid=24312681243126812&sid=343126

6. Virtual Hospital: Infectious Diseases Of The Central Nervous System: Cerebral Ab cerebral abscess Early Stage. Pathologically, the gross appearance of an abscessin its early stage is that of a poorly localized area of discoloration and http://www.vh.org/adult/provider/pathology/CNSInfDisR2/Text/143.html

Infectious Diseases of the Central Nervous System Cerebral Abscess: Early Stage Gary Baumbach, M.D., Department of Pathology, University of Iowa College of Medicine Peer Review Status: Internally Peer Reviewed Pathologically, the gross appearance of an abscess in its early stage is that of a poorly localized area of discoloration and softening. The inflammatory process at this stage is referred to as cerebritis. Section Top Title Page Virtual Hospital Home Virtual Children's Hospital Home ... University of Iowa http://www.vh.org/adult/provider/pathology/CNSInfDisR2/Text/143.html

7. Virtual Hospital Infectious Diseases Of The Central Nervous Contents. cerebral abscess. Syphilis. Parasitic Infestations. Toxoplasma Malaria Cysticercosis Trypanosomiasis Amebiasis http://tmsyn.wc.ask.com/r?t=an&s=hb&uid=24312681243126812&sid=343126

8. AllRefer Health - Brain Abscess (Abscess - Brain, Cerebral Abscess, CNS Abscess) Brain Abscess (Abscess Brain, cerebral abscess, CNS Abscess) information centercovers causes, prevention, symptoms, diagnosis, treatment, incidence, http://health.allrefer.com/health/brain-abscess-info.html

AllRefer Channels :: Yellow Pages Reference Health Home ... Contact Us Quick Jump ADD/ADHD Allergies Alzheimer's Disease Arthritis Asthma Back Pain Breast Cancer Cancer Colon Cancer Depression Diabetes Gallbladder Disease Heart Attack Hepatitis High Cholesterol HIV/AIDS Hypertension Lung Cancer Menopause Migraines/Headaches Osteoporosis Pneumonia Prostate Cancer SARS Stroke Urinary Tract Infection 1600+ More Conditions Alternative Medicine Health News Symptoms Guide Special Topics ... Medical Encyclopedia Web health.allrefer.com You are here : AllRefer.com Health Brain Abscess Brain Abscess Definition Prevention Treatment Expectations or Prognosis ... Go To Main Page Alternate Names : Abscess - Brain, Cerebral Abscess, CNS Abscess Definition A brain abscess is a mass of immune cells, pus, and other material that can occur when the brain is infected by bacteria or fungus. Amebic Brain Abscess Brain abscesses commonly occur when bacteria or fungi infect part of the brain. Inflammation develops in response. Infected brain cells, white blood cells, and live and dead microorganisms collect in a limited area of the brain. This area becomes enclosed by a membrane that forms around it and creates a mass. While this immune response can protect the brain by isolating the infection, it can also do more harm than good. The brain swells in response to the inflammation, and the mass may put pressure on delicate brain tissue. Infected material can block the blood vessels of the brain, further damaging tissues by causing cell death and swelling of additional cells. Multiple abcesses are uncommon except in immunocompromised patients.

9. EMedicine Health - Brain Infection Treatment Treatment of a brain abscess is complex. Depending on the size and location, the drainage could be performed by a neurosurgeon. http://tmsyn.wc.ask.com/r?t=an&s=hb&uid=24312681243126812&sid=343126

10. AllRefer Health - Brain Abscess Treatment (Abscess - Brain, Cerebral Abscess, CN Brain Abscess (Abscess Brain, cerebral abscess, CNS Abscess) information centercovers Treatment. http://health.allrefer.com/health/brain-abscess-treatment.html

AllRefer Channels :: Yellow Pages Reference Health Home ... Contact Us Quick Jump ADD/ADHD Allergies Alzheimer's Disease Arthritis Asthma Back Pain Breast Cancer Cancer Colon Cancer Depression Diabetes Gallbladder Disease Heart Attack Hepatitis High Cholesterol HIV/AIDS Hypertension Lung Cancer Menopause Migraines/Headaches Osteoporosis Pneumonia Prostate Cancer SARS Stroke Urinary Tract Infection 1600+ More Conditions Alternative Medicine Health News Symptoms Guide Special Topics ... Medical Encyclopedia Web health.allrefer.com You are here : AllRefer.com Health Brain Abscess : Treatment of Brain Abscess Brain Abscess Definition Prevention Treatment Expectations or Prognosis Complications Calling Your Health Care Provider Go To Main Page Alternate Names : Abscess - Brain, Cerebral Abscess, CNS Abscess Brain Abscess Treatment Cerebral abscess is a medical emergency. Intracranial pressure may become high enough to cause death. Hospitalization is required until the condition is stabilized. Life support may be required in some cases. Medication, not surgery, is advised for multiple abscesses, a small abscess (less than 2 cm), an abscess deep within the brain, an abscess accompanied by meningitis , the presence of shunts in the brain (for hydrocephalus ), or an underlying disease that makes surgery dangerous (debilitating disease).

11. EMedicine Health - Brain Infection Causes cerebral abscess is often a complication of chronic sinus or middleear infections, or the distant spread of the infection from somewhere http://tmsyn.wc.ask.com/r?t=an&s=hb&uid=24312681243126812&sid=343126

12. ► Brain Abscess A medical encycopedia article on the topic Brain abscess. Alternative Names.Abscess - brain; cerebral abscess; CNS abscess http://www.umm.edu/ency/article/000783.htm

var MenuLinkedBy='AllWebMenus [2]', awmBN='530'; awmAltUrl=''; Disease Nutrition Surgery Symptoms Injury ... Z Maryland Medical Center Programs Home Medical Reference Encyclopedia (English) Toggle English Spanish Brain abscess Overview Symptoms Treatment Prevention Definition: A brain abscess is a lesion caused by inflammation and infected material (pus) within the brain tissue. Alternative Names: Abscess - brain; Cerebral abscess; CNS abscess Causes, incidence, and risk factors: A brain abscess is usually caused when bacteria such as staphylococci and streptococci infect part of the brain. In response to the infection, there is inflammation and death of some of the tissues in the brain. Fluid, destroyed tissue cells, white blood cells, and live and dead microorganisms collect and form a mass. This mass usually becomes enclosed by a membrane that forms around it. The brain swells in response to the inflammation, and the mass may put pressure on the the brain. Infected material can block the blood vessels of the brain, further damaging brain tissues. The pressure within the brain rises, causing more damage and problems. A brain abscess may result from other infections, such as an

13. EMedicine - Brain Abscess Article By William Ernoehazy, Jr, MD Focal neurologic signs can signal increasing cerebral edema around the abscess. Seizures are typically grand mal. http://tmsyn.wc.ask.com/r?t=an&s=hb&uid=24312681243126812&sid=343126

14. Dr. Koop - Brain Abscess Abscess brain; cerebral abscess; CNS abscess. Causes, incidence, and risk factors.Brain abscesses commonly occur when bacteria or fungi infect part of http://www.drkoop.com/ency/93/000783.html

Home Health Reference Brain abscess Jul 29, 2005 Search: Dr.Koop MEDLINE Diseases Symptoms Procedures Natural Medicine ... Drug Library Inside DrKoop News Archive Animations Health Videos Health Tools ... Newsletters Brain abscess Injury Disease Nutrition Poison ... Prevention Brain abscess Definition: A brain abscess is a mass of immune cells, pus, and other material that can occur when the brain is infected by bacteria or fungus. Alternative Names: Abscess - brain; Cerebral abscess; CNS abscess Causes, incidence, and risk factors: Brain abscesses commonly occur when bacteria or fungi infect part of the brain. Inflammation develops in response. Infected brain cells, white blood cells, and live and dead microorganisms collect in a limited area of the brain. This area becomes enclosed by a membrane that forms around it and creates a mass. While this immune response can protect the brain by isolating the infection, it can also do more harm than good. The brain swells in response to the inflammation, and the mass may put pressure on delicate brain tissue. Infected material can block the blood vessels of the brain, further damaging tissues by causing cell death and swelling of additional cells. Multiple abcesses are uncommon except in immunocompromised patients. Infectious agents gain access to the brain in several ways. The most common way is through infected blood. Ear and sinus infections may also spread directly to the brain because of their close proximity.

15. ? Brain Abscess Alternative Names Abscess brain; cerebral abscess; CNS abscess Causes, incidence, and risk factors http://tmsyn.wc.ask.com/r?t=an&s=hb&uid=24312681243126812&sid=343126

16. Dr. Koop - Brain Abscess Alternative Names. Abscess brain; cerebral abscess; CNS abscess. Treatment.cerebral abscess is a medical emergency. Intracranial pressure may become http://www.drkoop.com/ency/93/000783trt.html

Home Health Reference Brain abscess Jul 29, 2005 Search: Dr.Koop MEDLINE Diseases Symptoms Procedures Natural Medicine ... Drug Library Inside DrKoop News Archive Animations Health Videos Health Tools ... Newsletters Brain abscess Injury Disease Nutrition Poison ... Prevention Brain abscess Alternative Names: Abscess - brain; Cerebral abscess; CNS abscess Treatment: Cerebral abscess is a medical emergency. Intracranial pressure may become high enough to cause death. Hospitalization is required until the condition is stabilized. Life support may be required in some cases. Medication, not surgery, is advised for multiple abscesses, a small abscess (less than 2 cm), an abscess deep within the brain, an abscess accompanied by meningitis , the presence of shunts in the brain (for hydrocephalus ), or an underlying disease that makes surgery dangerous (debilitating disease). Antimicrobials are given, initially through a vein, then by mouth. Antibiotics which work against a number of different bacteria (broad spectrum antibiotics) are the most common antimicrobial prescribed. It is not uncommon for multiple antibiotic medications to be used in order to ensure effective treatment of the infection. Antifungal medications may also be prescribed if fungal infection is likely. The presence of a compressive lesion (which is injuring brain tissue by pressing on it) or a large abscess with a high degree of swelling around it can raise intracranial pressure to the point where immediate treatment is needed.

17. Diffusion-Weighted MRI Of Cerebral Toxoplasma Abscess Chong-Han DiffusionWeighted MRI of Cerebral Toxoplasma Abscess Crispina H. Chong-Han1 , Selina C. Cortez2 and Glenn A. Tung1 http://tmsyn.wc.ask.com/r?t=an&s=hb&uid=24312681243126812&sid=343126

18. Cerebral Abscess cerebral abscess Up Absent CBF Aortic iliac dissection Carotid dissection Cerebellar abscess cerebral abscess Cerebral aneurysm Epiglottitis http://www.aic.cuhk.edu.hk/web8/cerebral abscess mri.htm

All these topics are covered in the Not so BASIC course. Click here for details Click on the image to download a high resolution image Australia October 2005, New Zealand November 2005, Hong Kong January 2005 Click here for details ©Charles Gomersall, August, 2005 unless otherwise stated. The author, editor and The Chinese University of Hong Kong take no responsibility for any adverse event resulting from the use of this webpage.

19. Ring Lesions In Brain hypodense, peripherally enhancing lesions ** mnemonic MAGIC DR. mets abscess glioma, granuloma infarct contusion http://tmsyn.wc.ask.com/r?t=an&s=hb&uid=24312681243126812&sid=343126

20. SBMJ | Picture Quiz: Cerebral Abscess studentBMJ is an international magazine for students interested in medicine,healthcare and science. We cover a broad range of topical issues ranging from http://www.studentbmj.com/issues/03/05/education/145.php

skip navigation Need an article? student BMJ Home Current Issue - Editorials - News ... Subscribe Interactive Article Response International Experience Careers Zone Write For Us Author Guidelines How To Write About Us About student BMJ Posters Contact Us ... Accessibility Out There Links Notice Board Picture quiz: Cerebral abscess Computed tomography scan of cerebral abscess Case history An 82 year old woman was admitted as an emergency, having had a generalised tonic-clonic seizure witnessed by her husband. She had no prior history of epilepsy and no history of trauma. According to her husband she was reasonably well and had not seen a doctor for more than 20 years. She had no history of any drug allergy and was not taking any regular medication. She was a lifelong non-smoker and infrequent social drinker. Computed tomography scan of cerebral abscess A consultant dermatologist confirmed the lesion behind her ear as a basal cell carcinoma and arranged for her to have radiotherapy. There was no evidence of sinusitis, but it was felt that the patient had a middle ear infection. She received dexamethasone and sodium valproate with blind antibiotic therapy for six weeks in total. However, blood cultures, swabs, and culture of aspirate taken during surgical aspiration were all negative. She was discharged home at seven weeks Questions What does the computed tomography scan show?

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