Journal of neuroimaging : official journal of the American Society of Neuroimaging
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In the second half of this 2-part review, the neuroimaging features of the most common viral, fungal, and parasitic infections of the pediatric central nervous system are discussed. Brief discussions of epidemiology and pathophysiology will be followed by a review of the imaging findings and potential differential considerations.
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We investigated the accuracy of high-field proton magnetic resonance spectroscopy ((1) H MRS) and fluorine-18 2-fluoro-deoxyglucose positron emission tomography ((18) F-FDG-PET) for diagnosis of glioma progression following tumor resection, stereotactic radiation, and chemotherapy. ⋯ The combination of (1) H MRS data and (18) F-FDG-PET imaging can enhance detection of glioma progression. (1) H MRS imaging was more accurate in low-grade gliomas and (18) F-FDG-PET provided better accuracy in high-grade gliomas.
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Case Reports
Endovascular treatment of iatrogenic intracranial pseudoaneurysm following stent angioplasty.
Intracranial pseudoaneurysm (IPA) is a rare disease entity associated with blunt trauma or penetration injury and less likely surgical or endovascular procedure. Decision of the therapeutic option is difficult and challenging in the treatment of iatrogenic pseudoaneurysm from the middle cerebral artery (MCA) that is necessary to maintain. We report our experience of reconstructive treatment of iatrogenic IPA, which was developed after stenting and balloon angioplasty, in the left MCA with overlapping Enterprise stents.
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Mortality in acute ischemic middle cerebral artery (MCA) stroke ranges from 5% to 45%. We identify a vascular imaging sign, presence of "prominent anterior temporal artery" on computed tomography (CT) angiography (CTA) and investigate whether it predicts mortality in acute M1-MCA occlusions. ⋯ Presence of prominent anterior temporal artery in M1-MCA occlusions on CTA identifies a group of patients with reduced case fatality. The mechanism is likely related to a reduced chance of malignant cerebral edema.
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Case Reports
Nonblinding, penetrating orbital injury with pontine and cerebellar involvement secondary to antenna trauma.
Traumatic pontine and cerebellar damage originating from ocular injury has been documented in the past; however, no report has been made about an orbital trauma causing injury to the pons and cerebellum with associated neurological symptoms while leaving the globe, visual pathway, and ocular controls intact. ⋯ Pontine and cerebellar injury can occur from trauma that originated in the orbit and traveled posteriorly through the cranium without causing any overt damage to ocular structures but still causing other associated neurological problems.