منابع مشابه
Pearls & oy-sters: hyperdense or pseudohyperdense MCA sign: a Damocles sword?
• The presence of a true hyperdense sign can be confirmed by measuring attenuation value as compared to the normal-appearing contralateral side. • Mimics of a hyperdense sign (i.e., a pseudohyperdense sign) include vascular calcification, raised hematocrit, and intravenous contrast medium. • Careful attention should also be paid to the surrounding brain parenchyma to assess for hypodensity or a...
متن کاملHyperdense middle cerebral artery sign after trauma.
© 2014 American Osteopathic Association A 56-year-old man presented to the emergency department after a highwayspeed, single-vehicle motor vehicle accident. Physical examination revealed no evidence of head trauma but was notable for a Glasgow Coma Scale score of 6, with the patient exhibiting a withdrawal response to pain on his left side. Computed tomography findings included a hyperdense mid...
متن کاملHyperdense spleen after prolonged gold therapy.
CMAJ • DECEMBER 14, 2010 • 182(18) © 2010 Canadian Medical Association or its licensors E858 A60-year-old woman underwent computed tomography imaging of her chest because of a recent episode of hemoptysis. The scan did not show any abnormalities in the thorax. However, unenhanced scans showed a strikingly hyperdense spleen (mean attenuation value 174 [normal 56–65] Hounsfield units) (Figure 1A)...
متن کاملHyperdense basilar artery sign.
To cite: Mahawish K. BMJ Case Rep Published online: [please include Day Month Year] doi:10.1136/bcr-2015209317 DESCRIPTION A 48-year-old man presented with a 24 h history of neck pain, vomiting, vertigo and impaired gait. On examination, he was found to have left gaze provoked nystagmus and left arm and leg dysmetria with mild weakness, symptoms attributable to cerebellar dysfunction. He underw...
متن کاملHyperperfusion syndrome after MCA embolectomy – a rare complication?
PATIENT Female, 78 FINAL DIAGNOSIS: Cerebral hyperperfusion syndrome Symptoms: - MEDICATION - Clinical Procedure: Endovascular embolectomy Specialty: Neurology. OBJECTIVE Unknown ethiology. BACKGROUND Cerebral hyperperfusion syndrome (cHS) is a well known but rare complication after carotid endarterectomy, carotid angioplasty with stenting, and stenting of intracranial arterial stenosis. ...
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ژورنال
عنوان ژورنال: Neurology
سال: 2002
ISSN: 0028-3878,1526-632X
DOI: 10.1212/wnl.58.10.1512