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Topic: Subarachnoid hematoma


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  Hematoma - Wikipedia, the free encyclopedia
A hematoma, or haematoma, is a collection of blood, generally the result of hemorrhage.
Hematomas can gradually migrate, as the extravasated cells and pigment move in the connective tissue.
Hematomas on articulations can reduce mobility of a member and present roughly the same symptoms as a fracture.
en.wikipedia.org /wiki/Hematoma   (139 words)

  
 Radiology In Ped Emerg Med, Vol 5, Case 7
An acute epidural hematoma is described as biconvex (lentiform, elliptical, or football-shaped) in appearance.
Subdural hematomas in the posterior fossa are rare, mostly occurring in neonates with birth trauma.
The hematoma is described as crescent shape as it conforms to the calvarium and underlying cerebral cortex.
www.hawaii.edu /medicine/pediatrics/pemxray/v5c07.html   (2819 words)

  
 Subarachnoid hematoma Definition / Subarachnoid hematoma Research   (Site not responding. Last check: 2007-11-04)
subarachnoid hematoma is a rare complication of high cervical myelogram.
subarachnoid hematoma is a very rare event, occurring exclusively in the thoracic or lumbar r.
subarachnoid hematoma is a hematoma located below (sub) the arachnoid membrane and is usually an arterial bleed.
www.elresearch.com /Subarachnoid_hematoma   (259 words)

  
 skull_cont
Epidural hematoma (EDH) is the accumulation of blood between the dura and the inner table of the skull.
Subarachnoid hemorrhage is blood in the (actual) subarachnoid space, usually due to trauma.
The subdural hematoma has caused massive increase in right sided intracranial pressure forcing the right lateral ventricle (a) and the corpus callosum (b) to the left, beneath and lateral to, the free margin of the falx (subfalcine or cingulate herniation).
www.uth.tmc.edu /radiology/test/er_primer/skull_brain/skull.html   (3300 words)

  
 Aneurysms & SAH
The CT scan is important, first of all, to document the subarachnoid hemorrhage and to assess the amount of blood in the cisterns.
A subarachnoid hemorrhage with blood in the lateral ventricle is usually due to an anterior communicating aneurysm.
Subarachnoid hemorrhage secondary to ruptured intracranial aneurysm: prognostic significance of cranial CT. AJNR 1:17, 1980.
spinwarp.ucsd.edu /NeuroWeb/Text/br-730.htm   (1564 words)

  
 Guidelines for the Management of Aneurysmal Subarachnoid Hemorrhage
Subarachnoid hemorrhage (SAH) is a common and often devastating occurrence; each year approximately 30,000 Americans have nontraumatic SAH.
The cornerstone of SAH diagnosis is the noncontrast CT scan.
Lysis of subarachnoid thrombus by intracisternal recombinant tissue-type plasminogen activator is under investigation in a prospective, randomized trial.
www.americanheart.org /presenter.jhtml?identifier=1192   (10826 words)

  
 Focal Nervous System Lesions
Intra-axial hematomas occur in the parenchyma, choroid plexus, and ventricles.
The study of choice to diagnose epidural hematoma in the spinal canal is MRI of the spine.
The study of choice to diagnose subdural hematoma in the spinal canal is MRI of the spine.
pediatricneuro.com /alfonso/pg250.htm   (513 words)

  
 TheFetus.net - Subdural hematoma -Eric H. Dellinger, MD, Thomas C. Wheeler, MD
A subdural hematoma is defined as a coagulum of blood which collects during hemorrhage below the dura mater and above the arachnoid membrane.
The differential diagnosis of a subdural hematoma includes subarachnoid hemorrhage, intraventricular hemorrhage, intracranial neoplasm, hydrocephalus, Dandy-Walker malformation, and miscellaneous cysts of the brain, including arachnoid cysts and an aneurysm of the vein of Galen.
The location of the subdural hematoma just beneath the cranium, the typical deformity of the brain, the layering of hemorrhagic material, and, occasionally, the patient history are most helpful in establishing the diagnosis.
www.thefetus.net /page.php?id=137   (1677 words)

  
 Encyclopedia: Hematoma   (Site not responding. Last check: 2007-11-04)
Surgery A subdural hematoma, also called a subdural hemorrhage, is a collection of blood between the dura (the outer protective covering of the brain) and the arachnoid (the middle layer of the meninges).
Epidural hematoma is caused by the rupture of the middle meningeal artery.
Cauliflower ear (or perichondral hematoma) is a condition common among boxers, martial artists and rugby players.
www.nationmaster.com /encyclopedia/Hematoma   (409 words)

  
 SUBARACHNOID
Subarachnoid hemorrhage is bleeding under the meninges, or outer membranes, of the brain into the thin fluid-filled space that surrounds the brain.
subaraknoidaalivuoto (subarachnoid haemorrhage, subarachnoid hemorrhage), lukinkalvonalainen verenvuoto (subarachnoid haemorrhage, subarachnoid hemorrhage), haemorrhagia subarachnoidealis (subarachnoid haemorrhage, subarachnoid hemorrhage), ei-traumaattinen subaraknoidaalivuoto (nontraumatic SAH, non-traumatic SAH, nontraumatic subarachnoid haemorrhage, non-traumatic subarachnoid haemorrhage, nontraumatic subarachnoid hemorrhage, non-traumatic subarachnoid hemorrhage).
μηνιγγική μη τραυματική αιμορραγία (nontraumatic SAH, non-traumatic SAH, nontraumatic subarachnoid haemorrhage, non-traumatic subarachnoid haemorrhage, nontraumatic subarachnoid hemorrhage, non-traumatic subarachnoid hemorrhage), μηνιγγική αιμορραγία (subarachnoid haemorrhage, subarachnoid hemorrhage), υπαραχνοειδής δεξαμενή (subarachnoid cisternae).
www.websters-online-dictionary.org /definition/english/Su/Subarachnoid.html   (550 words)

  
 Postgraduate Medicine: Imaging Techniques Symposium: Central nervous system imaging
Subdural hematomas are located between the dura and arachnoid and occur because of disruption of cortical veins.
However, because thrombolytic therapy is contraindicated in patients with hematoma or hemorrhagic infarct, it is important that a brain CT scan be performed prior to initiating therapy.
Noncontrast CT remains the procedure of choice in identifying subarachnoid hemorrhage as a hyperdense clot located in the cisterns and sulci at the base of the brain.
www.postgradmed.com /issues/1998/11_98/laughlin.htm   (3982 words)

  
 Pathology Image Gallery   (Site not responding. Last check: 2007-11-04)
Epidural hematoma, subdural hematoma, subarachnoid hemorrhage and Duret hemorrhages
Therefore, epidural hematomas are considered a neurosurgical emergency that require prompt diagnosis and surgical drainage.
Subdural hematomas accumulate between the dura and arachnoid layer of the meninges.
wings.buffalo.edu /smbs/pth600/IMC-Path/y2case/y2ans20.htm   (818 words)

  
 Recognition and Treatment of Head Injuries in Athletics | Michael Reed, DC, CCSP, CSCS
The chronic subdural hematoma is from a pinhole size bleeder and may slowly develop over a period of days to weeks.
An intracerebral hematoma is bleeding of the brain substance itself, usually from a torn artery.
A subarachnoid hematoma is confined to the surface of the brain and is analogous to a bruise.
www.chiroweb.com /archives/10/08/25.html   (974 words)

  
 Case Based Pediatrics Chapter
As the hematoma expands, ICP increases and cerebral perfusion is compromised.
Epidural hematomas are a neurosurgical emergency and have a lenticular (lens or football shaped, also called biconvex) shape on CT scan.
Epidural hematoma is a neurosurgical emergency because its prognosis is dramatically better with early evacuation, while subdural hematoma is less of an emergency because the prognosis is already poor even with hematoma evacuation.
www.hawaii.edu /medicine/pediatrics/pedtext/s18c13.html   (4006 words)

  
 EMR Textbook - Subarachnoid Hemorrhage   (Site not responding. Last check: 2007-11-04)
On initial presentation, there was confusion as to cause and effect between the subarachnoid blood and the trauma.
Intracranial dissecting aneurysm causing subarachnoid hemorrhage: The role of computerized tomographic angiography and magnetic resonance angiography.
Subarachnoid hemorrhage: Frequency and severity of cardiac arrhythmias; A survey of 70 cases studied in the acute phase.
www.thrombosis-consult.com /articles/Textbook/38_subarachnoid.htm   (6693 words)

  
 braintf17-text-Subarachnoid Hemorrhage
This is rapidly achieved in isolated intracranial hematomas, resulting in characteristic marked hypointensity on long TR/TE images in the acute stage and it is also seen in isolated clots in the subarachnoid space.
However, in acute diffuse subarachnoid hemorrhage, the ambient oxygen tension of the subarachnoid CSF is too high for expected evolutionary changes to occur.
The cardinal diagnostic sign of ruptured aneurysm is a severe headache of sudden onset, and CT scan remains the most sensitive imaging method for the detection of acute subarachnoid blood.
www.mribhatia.com /braintf17/braintf17-text.html   (447 words)

  
 Bioline International Official Site (site up-dated regularly)
MRI and CT of the dorsolumbar spine demonstrated a large intraspinal hematoma from D11 to L2 levels with compression of the neural elements (Figs.
Post lumbar puncture hematoma may occur in the extradural, subdural or subarachnoid compartments of which the epidural space is the commonest site.
Results are poor in patients with subarachnoid hematoma, severe preoperative deficits and in those where surgery has been delayed as in our patient.
www.bioline.org.br /request?ni02103   (1059 words)

  
 No. 3-02-0700WC, Builders Square, Inc. v. Industrial Comm'n
The decedent's post-operative diagnosis was an acute left subdural hematoma with a diffuse subarachnoid hemorrhage.
In his opinion, the decedent's death was caused by a combination of the hematoma and the subarachnoid hemorrhage.
Since the decedent's fall did not arise out of her employment, her condition of ill-being (a hematoma and a hemorrhage ostensibly stemming from the fall) was not causally related to her employment.
www.state.il.us /court/Opinions/IndCommn/2003/3rdDistrict/June/Html/3020700.htm   (2303 words)

  
 ac.net
We report a case of subarachnoid hematoma, hydrocephalus, and aseptic meningitis after a high cervical myelogram.
A suboccipital craniectomy and C1-C2 laminectomies were performed, followed by a C1-C2 durotomy, which revealed a large subarachnoid blood clot in the region of the cisterna magna extending down to the upper aspect of C2, which was evacuated by incising the arachnoid.
Spinal subarachnoid hematoma is a rare complication of high cervical myelogram.
www.arachnoidcyst.net /plog/index.php   (1093 words)

  
 Neurological Research: Time course of the diameter of the major cerebral arteries after subarachnoid hemorrhage using ...   (Site not responding. Last check: 2007-11-04)
In contrast, the dilative response was observed in the internal carotid artery and middle cerebral artery W min after SAH.
Subarachnoid hemorrhage (SAH) induced by ruptured intracranial aneurysms is one of the causes of 'cerebral stroke'.
In order to clarify the time course of the disappearance of the subarachnoid hematoma in this model, a macroscopic examination was performed.
www.findarticles.com /p/articles/mi_qa3909/is_200306/ai_n9299020   (1465 words)

  
 [No title]   (Site not responding. Last check: 2007-11-04)
In patients with suspected subarachnoid hemorrhage and a normal CT scan, lumbar puncture is certainly appropriate and safe.
However, in cases of subarachnoid hemorrhage with hematoma and mass effect, lumbar puncture can result in immediate deterioration in about 13% of patients.[2] Lumbar puncture is also safe in patients with pseudotumor cerebri.
Spinal subarachnoid hematoma, a rare complication of lumbar puncture, presents with severe low back and/or radicular pain followed within hours or days by progressive paraparesis, sensory loss, and sphincter disturbances.
www.mult-sclerosis.org /news/May2000/ComplicationsofLumbarPunctureandTheirPrevention.html   (3838 words)

  
 Spinal subarachnoid hematomas: clue to a source of bleeding in traumatic lumbar puncture -- Masdeu et al. 29 (6): 872 ...
Spinal subarachnoid hematomas: clue to a source of bleeding in traumatic lumbar puncture -- Masdeu et al.
Spinal subarachnoid hematomas: clue to a source of bleeding in traumatic lumbar puncture
subarachnoid hematoma of the cauda equina at autopsy.
www.neurology.org /cgi/content/abstract/29/6/872   (192 words)

  
 Dissector Answers - Scalp, Cranial Cavity, Meninges, & Brain
It leaves this ventricle through its median and lateral apertures and enters the subarachnoid space, which is continuous around the spinal cord and brain.
The subarachnoid space containing CSF extends into the arachnoid granulations, which in turn project upward through the dura into the superior sagittal sinus.
Consequently, piercing the dura where the meningeal arteries enter the base of the skull or near the vertex causes pain and is a major source of headaches.
www.med.umich.edu /lrc/coursepages/M1/anatomy/html/nervous_system/scalp_ans.html   (2510 words)

  
 Cerebral hemorrhage   (Site not responding. Last check: 2007-11-04)
Primary Care: Avoiding Pitfalls in the Diagnosis of Subarachnoid Hemorrhage N Engl J Med 2000 Jan 6;342:29 Review [Of patients with "worst headache" of their lives, 12% have SAH, 25% if neurological exam is abnormal.
None of 77 patients with a perimesencephalic pattern of haemorrhage on CT died or was left disabled as a result of the haemorrhage.
Recurrence of hematoma was recognized in 49 patients (9.8%), at 1 to 8 weeks (3.5 +/- 1.9 weeks) after the first operation.
rkaris.home.att.net /bleed.htm   (1392 words)

  
 Spinal subarachnoid hematoma after lumbar puncture producing acute thoracic myelopathy: case report.   (Site not responding. Last check: 2007-11-04)
Spinal subarachnoid hematoma after lumbar puncture producing acute thoracic myelopathy: case report.
Spinal subarachnoid hematoma after lumbar puncture producing acute thoracic myelopathy: case report.A case of subarachnoid hematoma after a difficult lumbar puncture and anticoagulation is presented.
Subarachnoid adhesions preventing the free flow of spinal fluid at the T-6 level served to limit the cranial progression of the hemorrhage and produced a transverse myelopathy at that level.
www.pdg.cnb.uam.es /UniPub/iHOP/gp/3141811.html   (77 words)

  
 Misdiagnosis of Subdural hematoma - WrongDiagnosis.com
- Misdiagnosis of Underlying Causes of Subdural hematoma
About misdiagnosis: When checking for a misdiagnosis of Subdural hematoma or confirming a diagnosis of Subdural hematoma, it is useful to consider what other medical conditions might be possible misdiagnoses or other alternative conditions relevant to diagnosis.
These alternate diagnoses of Subdural hematoma may already have been considered by your doctor or may need to be considered as possible alternative diagnoses or candidates for misdiagnosis of Subdural hematoma.
www.wrongdiagnosis.com /s/subdural_hematoma/misdiag.htm   (255 words)

  
 Hyperextension and rotation of head causing internal carotid artery laceration with basilar subarachnoid hematoma
These lacerations are believed to be caused by stretching of the vessels due to the abrupt movement of the head and rotational acceleration of the brain within the cranium, and they usually occur in the intracranial portions of the vessels, producing a subarachnoid hemorrhage.
This is the case of a 35-year-old man who received a blow to the face that forcefully hyperextended and rotated his head to the left.
This unusual injury may be due to a combination of blunt force applied to the head and the alteration of the vessel's structural and functional capacities secondary to atherosclerosis.
www.astm.org /JOURNALS/FORENSIC/PAGES/4354.htm   (230 words)

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