Hyperdense Internal Carotid Artery Sign

The Hyperdense Internal Carotid Artery Sign: Prevalence and Prognostic Relevance in Stroke Thrombolysis

Introduction. The hyperdense internal carotid artery sign (HICAS) has been suggested as a common marker of terminal internal carotid artery (ICA) thrombus associated with poor outcomes following thrombolysis. We aimed to investigate the prevalence and prognostic significance of the HICAS in an unselected cohort of patients receiving intravenous thrombolysis. Methods. Prethrombolysis NCCTs of 12...

Hyperdense 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...

Hyperdense 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 ...

Hyperdense 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...

A Penetrating Pellet Jeopardizing Internal Carotid Artery