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Cerebral Abscess: more detail

Cerebral abscess ; its etiology, pathology, diagnosis and treatment including anatomy and physiology of the cerebellum by Isidore Friesner, Alfred Braun, 2010-05-13

Multiple bilateral cerebral abscesses with hemorrhage.: An article from: Journal of Neuroscience Nursing by Carol K. Baumann, 1997-02-01

A case of cerebral amoebic abscess treated by modern chemotherapy by E. A Turner, 1948

Glasgow Medical Journal, Volume 28 by Royal Medico-Chirurgical Society of Glasgow Glasgow and West of Scotland Medical Association, 2009-08-16

Experimental traumatic cerebral cysts in the rabbit by Murray A Falconer, 1943

lists with details

Cerebral Abscess
Looks at the common causes, bacterial aetiology, pathology, clinical presentation and treatment.Category Health Conditions and Diseases cerebral abscesscerebral abscess. Presents as a subacute space occupying lesion. Feveris seen in only 50%. Common causes Chronic middle ear infection.
http://medmic02.wnmeds.ac.nz/groups/rmo/headache/headache12.html

Extractions: Presents as a subacute space occupying lesion. Fever is seen in only 50% There are often two or more organisms: Suppurative encephalitis-> encapsulation->surrounding oedema, overlying meningeal inflammation. Clinical symptoms of an expanding mass lesion for less than 2 weeks. Progressive symptoms (transient improvement with antibiotics). When acute, headache, vomiting, slow thinking and drowsiness, seizures plus localising signs in a few days. most commonly hemiplegia or aphasia.
Body1.com - Cerebral Abscess
A cerebral abscess is caused by infection that spreads to the brain.
http://www.body1.com/care/index.cfm/2/162

Extractions: Discuss this Condition A cerebral abscess is a collection of pus that occupies space in the brain. It is fatal if untreated and requires immediate hospitalization. A cerebral abscess is caused by infection that spreads to the brain. The infection causes inflammation and kills brain tissue. The dead tissue then collects with other cells and microorganisms in the brain to form a mass encapsulated by a membrane. The mass swells, and brain pressure increases. The increased pressure, in turn, causes more damage to brain tissue. There are many possible sources of the infection causing the abscess. Chronic ear and sinus infections together cause more than one-third of all cerebral abscesses. Injury can also lead to abscess: compound fracture can leave a piece of bone or foreign tissue in the brain that can become an abscess even 20 or 30 years after the initial injury. Mastoiditis (skull infection), skin infections, congenital heart disease, lung abscess, empyema, endocarditis and bronchiectasis can also cause abscesses to form. In some cases of cerebral abscesses, the underlying cause is not determinable.
Uhrad.com - Neuroradiology Imaging Teaching Files
uhrad.com Neuroradiology Imaging Teaching Files Case Eighty Seven - cerebral abscess Click on Images for Enlarged View Clinical History The patient has a history of a left parietal brain metastasis secondary to lung cancer.
http://www.uhrad.com/mriarc/mri087.htm

Extractions: Click on Images for Enlarged View Clinical History: The patient has a history of a left parietal brain metastasis secondary to lung cancer. This lesion was previously treated with chemotherapy and gamma knife radiation. The patient now presents with a three week history of progressive right sided paresis. Findings: A brain MRI was performed. The patient's region of previous metastasis demonstrates an area of encephalomalacia on FLAIR images with surrounding increased signal, likely representing gliosis. In addition, a left frontal mass is seen with surrounding increased signal, likely representing vasogenic edema. T1 weighted post contrast axial images demonstrate ring enhancement of the left frontal lesion but no enhancement of the left parietal region. Finally, diffusion weighted images demonstrate abnormally increased signal centrally within the left frontal region but decreased signal centrally within the left parietal region. Diagnosis: Cerebral abscess.
MEDLINEplus Medical Encyclopedia: Brain Abscess
Alternative names Return to top Abscess brain; cerebral abscess; CNS abscess. TreatmentReturn to top. cerebral abscess is a medical emergency!
http://www.nlm.nih.gov/medlineplus/ency/article/000783.htm

Extractions: Skip navigation Other encyclopedia topics: A-Ag Ah-Ap Aq-Az B-Bk ... Z Contents of this page: Amebic brain abscess Alternative names Return to top Abscess - brain; Cerebral abscess; CNS abscess Definition Return to top A brain abscess is a lesion caused by inflammation and infected material (pus) within the brain tissue. Causes, incidence, and risk factors Return to top 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.
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

Extractions: 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 See related Provider Textbooks about Neurology or Pathology See related Provider Topics Abscesses Bacterial Infections Brain and Nervous System Brain Diseases ... Pathology or Viral Infections See related Patient Textbooks about Neurology or Pathology See related Patient Topics Bacterial Infections Brain and Nervous System Brain Diseases Creutzfeldt-Jakob Disease ... Pathology or Viral Infections Virtual Hospital Home Virtual Children's Hospital Home Site Map ... UI Health Care Home http://www.vh.org/adult/provider/pathology/CNSInfDisR2/Text/146.html
Virtual Hospital: Infectious Diseases Of The Central Nervous System: Parenchymal
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
http://www.vh.org/Providers/TeachingFiles/CNSInfDisR2/Text/PInf.CA.html

Extractions: 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.
MEDLINEplus Medical Encyclopedia: Tooth Abscess
to the jaw bone (osteomyelitis of the mandible or maxilla); spread of infection toother areas of the body resulting in cerebral abscess, endocarditis, pneumonia
http://www.nlm.nih.gov/medlineplus/ency/article/001060.htm

Extractions: Skip navigation Other encyclopedia topics: A-Ag Ah-Ap Aq-Az B-Bk ... Z Contents of this page: Tooth anatomy Tooth abscess Alternative names Return to top Periapical abscess; Dental abscess; Tooth infection; Abscess - tooth Definition Return to top A collection of infected material (pus) resulting from bacterial infection of the center (pulp) of a tooth. Causes, incidence, and risk factors Return to top Tooth abscess is a complication of dental caries . It may also result from trauma to the tooth (such as when a tooth is broken or chipped). Openings in the tooth enamel allow bacteria to infect the center of the tooth (the pulp). Infection may spread out from the root of the tooth and to the bones supporting the tooth. Infection results in a collection of pus (dead tissue, live and dead bacteria, white blood cells) and swelling of the tissues within the tooth. This causes a painful toothache . If the root of the tooth dies, the toothache may stop, but the infection remains active and continues to spread and destroy tissue.
Virtual Hospital: Infectious Diseases Of The Central Nervous System: Cerebral Ab
For Providers Infectious Diseases of the Central Nervous System cerebral abscess Histology Gary Baumbach, M.D., Department of Pathology, University of Iowa College of Medicine Peer Review Status Internally Peer Reviewed This photomicrograph
http://www.vh.org/Providers/TeachingFiles/CNSInfDisR2/Text/149.html

Extractions: Peer Review Status: Internally Peer Reviewed This photomicrograph demonstrates the nature of the reactive process which forms the abscess wall. The inner portion of the wall is formed by a layer of neutrophils and fibrin, the middle portion consists primarily of fibrous tissue (blue staining tissue with trichrome stain), and the outer portion is made up of reactive glia. It is noteworthy that abscesses are virtually the only pathologic entity in the CNS in which the repair process is dominated by fibrosis rather than gliosis. Section Top Title Page See related Provider Textbooks about Neurology or Pathology See related Provider Topics Abscesses Bacterial Infections Brain and Nervous System Brain Diseases ... Pathology or Viral Infections See related Patient Textbooks about Neurology or Pathology See related Patient Topics Bacterial Infections Brain and Nervous System Brain Diseases Creutzfeldt-Jakob Disease ... Pathology or Viral Infections Virtual Hospital Home Virtual Children's Hospital Home Site Map ... UI Health Care Home http://www.vh.org/adult/provider/pathology/CNSInfDisR2/Text/149.html
Virtual Hospital: Infectious Diseases Of The Central Nervous System: Parenchymal
Parenchymal Infections cerebral abscess. The organisms most commonly responsiblefor cerebral abscesses are listed here cerebral abscess icon gif.
http://www.vh.org/adult/provider/pathology/CNSInfDisR2/Text/PInf.CA.html

Extractions: 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.
Virtual Hospital: Infectious Diseases Of The Central Nervous System: Cerebral Ab
cerebral abscess Late Stage. Gary Baumbach, MD, Department of Pathology, Universityof Iowa College of Medicine Peer Review Status Internally Peer Reviewed.
http://www.vh.org/adult/provider/pathology/CNSInfDisR2/Text/145.html

Extractions: Peer Review Status: Internally Peer Reviewed In its late stage, an abscess is characterized by a densely fibro-gliotic capsular wall and pus filled center. Section Top Title Page See related Provider Textbooks about Neurology or Pathology See related Provider Topics Abscesses Bacterial Infections Brain and Nervous System Brain Diseases ... Pathology or Viral Infections See related Patient Textbooks about Neurology or Pathology See related Patient Topics Bacterial Infections Brain and Nervous System Brain Diseases Creutzfeldt-Jakob Disease ... Pathology or Viral Infections Virtual Hospital Home Virtual Children's Hospital Home Site Map ... UI Health Care Home http://www.vh.org/adult/provider/pathology/CNSInfDisR2/Text/145.html
Katalog - Wirtualna Polska
A cerebral abscess is caused by infection that spreads to the brain.
http://katalog.wp.pl/DMOZ/Health/Conditions_and_Diseases/Neurological_Disorders/
Cerebral Abscess As An Unusual Complication Of Coil Embolization
cerebral abscess as an unusual complication of coil embolization ina dural arteriovenous fistula. Adnan Abd. Rahman Zurin, MD, MS
http://www.c3.hu/~mavideg/jns/2-4-cp.html

Extractions: Adnan Abd. Rahman Zurin, M.D., M.S., Satoshi Ushikoshi, M.D., Kiyohiro Houkin, M.D., Yoichi Kikuchi, M.D., Hiroshi Abe, M.D., and Hisatoshi Saitoh, M.D. Departments of Neurosurgery and Radiology, Hokkaido University School of Medicine, Sapporo, Japan; Azabu Neurosurgical Hospital, Sapporo, Japan; and Division of Neurosurgery, Faculty of Medicine, University Kebangsaan Malaysia, Kuala Lumpur, Malaysia This 63-year-old man presented with a right temporoparietal cortical infarction. A dural arteriovenous fistula involving the right transverse sinus was diagnosed on cerebral angiography. Transvenous embolization using detachable coils was performed; however, postembolization angiograms demonstrated retrograde filling of a cortical draining vein that was not seen on initial angiography. The patient subsequently developed a cerebral abscess in the region of the previous cortical infarction 2 months after the embolization. The abscess was successfully treated with drainage and antibiotic therapy. The authors report this case to illustrate an unusual complication associated with this procedure and the possible contribution of the cortical draining vein in the pathogenesis of the cerebral abscess. Key Words * cerebral abscess * brain infarction * dural arteriovenous fistula * transvenous embolization Dural arteriovenous fistulas (AVFs) comprise a nidus of arteriovenous shunting within the dura mater. In most cases this nidus is located near a dural sinus that may become narrowed or obstructed in the process of nidus formation.[1] Dural AVFs represent 10 to 15% of all intracranial vascular malformations. They usually occur in the region of the transverse, sigmoid, and cavernous sinuses but may be found in any dural structure.[2,3,13,16]
BrainTF18 -Cerebral Abscess (Pyogenic)
BrainTF18 cerebral abscess (Pyogenic). Axial Images. Coronal Images.Sagittal Images. To Brain Teaching Files To Text braintf18.
http://www.mribhatia.com/braintf18/
Cerebral Abscess As An Unusual Complication Of Coil Embolization
cerebral abscess as an unusual complication of coil embolization in a dural arteriovenous fistula
http://www.neurosurgery.org/focus/apr97/2-4-cp.html

Extractions: Adnan Abd. Rahman Zurin, M.D., M.S., Satoshi Ushikoshi, M.D., Kiyohiro Houkin, M.D., Yoichi Kikuchi, M.D., Hiroshi Abe, M.D., and Hisatoshi Saitoh, M.D. Departments of Neurosurgery and Radiology, Hokkaido University School of Medicine, Sapporo, Japan; Azabu Neurosurgical Hospital, Sapporo, Japan; and Division of Neurosurgery, Faculty of Medicine, University Kebangsaan Malaysia, Kuala Lumpur, Malaysia This 63-year-old man presented with a right temporoparietal cortical infarction. A dural arteriovenous fistula involving the right transverse sinus was diagnosed on cerebral angiography. Transvenous embolization using detachable coils was performed; however, postembolization angiograms demonstrated retrograde filling of a cortical draining vein that was not seen on initial angiography. The patient subsequently developed a cerebral abscess in the region of the previous cortical infarction 2 months after the embolization. The abscess was successfully treated with drainage and antibiotic therapy. The authors report this case to illustrate an unusual complication associated with this procedure and the possible contribution of the cortical draining vein in the pathogenesis of the cerebral abscess. Key Words * cerebral abscess * brain infarction * dural arteriovenous fistula * transvenous embolization Dural arteriovenous fistulas (AVFs) comprise a nidus of arteriovenous shunting within the dura mater. In most cases this nidus is located near a dural sinus that may become narrowed or obstructed in the process of nidus formation.[1] Dural AVFs represent 10 to 15% of all intracranial vascular malformations. They usually occur in the region of the transverse, sigmoid, and cavernous sinuses but may be found in any dural structure.[2,3,13,16]
BrainTF18 -Cerebral Abscess (Pyogenic)_Text
BrainTF18 cerebral abscess (Pyogenic). Clinical Profile Patientpresented with headaches, fever and neck rigidity. CSF findings
http://www.mribhatia.com/braintf18/braintf18text.html

Extractions: BrainTF18 -Cerebral Abscess (Pyogenic) Clinical Profile: Patient presented with headaches, fever and neck rigidity. CSF findings were suggestive of pyogenic meningitis. Findings: There is a well defined hyperintense lesion with a hypointense rim on the T2W images in the left para-atrial region. It is hypointense on the T1W images and reveals rim enhancement. Perilesional edema is noted with resultant mass effect. The CSF in the posterior body and atrium of the left lateral ventricle appears more hyperintense than normal and the ventricular wall in that region shows a hyperintense signal on the FLAIR images. This wall is also seen to enhance. Discussion: Pyogenic bacterial infection of the CNS may present as focal cerebritis, abscess, meningitis and/or subdural/epidural empyema. It may result from direct spread of infection, either ENT infection or meningitis or from hematogenous spread from an extracranial source of infection. Pathogenesis: Cerebritis is a localized yet poorly demarcated area of parenchymal softening with scattered necrosis, edema, vascular congestion, petechial hemorrhage and perivascular inflammatory infiltrates. It progresses to an abscess when the central zone of necrosis within, becomes liquefied, better defined and encircled by a collagen capsule (is surrounded by a zone of gliosis). The collagen capsule is less well developed on its ventricular side than on its cortical side, probably related to slight differences in perfusion. The time required to form a mature abscess varies from 2 weeks to several months. In adults, abscesses arising from hematogenous spread are most often caused by anaerobic bacteria or a mixture of anaerobes and aerobes. In children, staphylococci, streptococci, and pneumococci are the most common pathogens. In patients with a history of trauma or prior neurosurgical procedure, abscesses are usually due to Staphylococcus aureus.
ThirdAge - Adam - Brain Abscess
brain tissue. Alternative Names Abscess brain; cerebral abscess;CNS abscess. Causes, incidence, and risk factors A brain abscess
http://www.thirdage.com/health/adam/ency/article/000783.htm

Extractions: document.write(''); document.write(''); document.write(''); document.write(''); document.write(''); document.write(''); document.write(''); document.write(''); Activities Computers Family Tree Health ... Prevention Definition: A brain abscess is a lesion caused by inflammation and infected material (pus) within the brain tissue. 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.
MedTech1.com - Cerebral Abscess
cerebral abscess. Overview Quick Reference. A cerebral abscess isa collection of pus that occupies space in the brain. It
http://www.medtech1.com/research_center/cond20.cfm/162

Extractions: Email this Condition Discuss this Condition Overview: A cerebral abscess is a collection of pus that occupies space in the brain. It is fatal if untreated and requires immediate hospitalization. A cerebral abscess is caused by infection that spreads to the brain. The infection causes inflammation and kills brain tissue. The dead tissue then collects with other cells and microorganisms in the brain to form a mass encapsulated by a membrane. The mass swells, and brain pressure increases. The increased pressure, in turn, causes more damage to brain tissue. There are many possible sources of the infection causing the abscess. Chronic ear and sinus infections together cause more than one-third of all cerebral abscesses. Injury can also lead to abscess: compound fracture can leave a piece of bone or foreign tissue in the brain that can become an abscess even 20 or 30 years after the initial injury. Mastoiditis (skull infection), skin infections, congenital heart disease, lung abscess, empyema, endocarditis and bronchiectasis can also cause abscesses to form. In some cases of cerebral abscesses, the underlying cause is not determinable.
CEREBRAL ABSCESS
cerebral abscess. Parenteral antibiotics should always be used .IVfor 6 weeks in the minority of cases not receiving surgery.
http://www.neuro.wustl.edu/neuromedical_treatment/abscess.html

Extractions: CEREBRAL ABSCESS Parenteral antibiotics should always be used....IV for 6 weeks in the minority of cases not receiving surgery. Surgery may be unnecessary if antibiotic treatment is started in the early, cerebritis stage before pus and capsule formation.....course monitored by CT. In most cases antibiotics are started before bacteriology is available. There are often multiple bacterial species. The most common....aerobic and anaerobic streptococci, Enterobacteriaceae including E. coli and Proteus, Bacteroides particularly B. fragilis. If S. aureus is found cranial trauma or surgery is the usual antecedent. Cultures of pus or tissue are not infrequently sterile. LP and CSF studies are almost never helpful. The following triple IV drug regimen is recommended for adults: penicillin G 1 M units/hr ceftriaxone (Rocephin) 1-2 g q 12 h, not more than 4 g/24 h metronidazole (Flagyl) initial dose 1 g, 500 mg q 6h thereafter, not to exceed 4 /24h For children and infants the following per kg dosages should be used: neonate infant child penicillin G 30-50K units/kg q8h 40-60K units/kg q6h 30K units q3h ceftriaxone 75 mg/kg initial dose, then 50 mg/kg q12h, not more than 4g/24h
Neuromedical Treatment Manual - Home Page
Amyotrophic Lateral Sclerosis; Attention Deficit Hyperactivity Disorder;Bell's Palsy; Cataplexy; cerebral abscess; Cerebral Edema, Increased
http://www.neuro.wustl.edu/neuromedical_treatment/

Extractions: Note The information in this manual was provided by Dr. Edward Vastola, a former member of the Neurology department. He wrote the below guidelines for his own use, and has kindly offered to share them with current members of the department. These guidelines should not be considered to be departmental policy. Dr. Vastola is interested in receiving comments about the below guidelines from current faculty. He can be reached at: efvastola@cs.com Editorial Page for Neuromedical Treatment
Cerebral Abscess
Home Back Up . cerebral abscess Cerebralabscess, See Abscess . Home Back Up .
http://www.rcpa.edu.au/pathman/cerebral.htm

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