Neuroradiology — Flashcards

Double contour or bevelled edge appearance (_____ sign) and Geographic skull is seen in Langerhans cell histiocytosis

_____ sign represents the appearance of the cerebral parenchyma in the case of alobar holoprosencephaly.

_____ CNS tumors characteristically present as multiple, well-circumscribed lesions at the gray-white junction

_____ sign on MRI is seen in paraganglioma

Curvilinear calcification along the margins of an intracranial lipoma on CT is called the _____ sign, classically seen in pericallosal lipoma.

The _____ sign on FLAIR brain is seen in variant CJD

_____ or antral sign is the anterior bowing of the maxillary wall due to the presence of a mass in the pterygomaxillary space on a CT scan.

_____ view is preferred to aid the diagnosis of acoustic neuroma and apical petrositis

Ischemic strokes may be visualized on _____ after 6 - 24 hours

The linear extension of enhancement of the dura, beyond the segment on which the tumor is based is seen in _____, also known as Dural tail sign