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 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 کاملHyperdense middle cerebral artery sign.
A 57-year old man presented with sudden onset hemiplegia. On examination he had global aphasia, a dense right hemiplegia and a right extensor plantar response. He had a history of diabetes mellitus, hypertension and a myocardial infarction one year ago. A non contrast CT scan of the brain done on the same day did not show a cerebral infarction, but showed a loss of visualisation of the insular ...
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 Middle Cerebral Artery Sign Together with Pulmonary Thromboembolism
BACKGROUND Hyperdense middle cerebral artery sign is an appearance of the middle cerebral artery on non-contrast-enhanced computed tomography. Embolic occlusion of the pulmonary arterial system is referred to as pulmonary embolism. When pulmonary embolism coexists with a patent foramen ovale, increased pressure in the right atrium may result in widening of the foramen and consequently, cause se...
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ژورنال
عنوان ژورنال: Austin Journal of Anesthesia and Analgesia
سال: 2018
ISSN: 2381-893X
DOI: 10.26420/austinjanesthesiaandanalgesia.2018.1072