Neuroradiology — Flashcards

Expansion of the contrast-filled space in myelography is seen in _____dural extramedullary tumor.

Hint: extra/intra

Extracanalicular extension of _____ into the cerebellopontine angle (path of least resistance) can lead to "ice-cream-cone' appearance.

Banana sign is seen in _____ and in meningomyelocele

_____ sign on brain CT indicates the presence of tension pneumocephalus.

Imaging of _____ (CNS tumor) reveals a round mass attached to the dura (via a "tail")

Acute subdural hematomas arise with _____ and appear hyper-dense on CT

Craniometric parameters used for diagnosis of basilar impression include _____ line, Chamberlain's line and McGregor's line

In _____ weighted images, CSF is bright/hyperintense and white matter is dark, grey matter is white

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

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