15,067 results found
Case
Cavum septum pellucidum
Published
25 May 2013
65% complete
CT
Case
Gray matter heterotopia with absent septum pellucidum
Published
13 Jan 2020
86% complete
MRI
Case
Intraventricular meningioma
Published
28 Dec 2023
95% complete
MRI
CT
Case
Pituitary lesion - spontaneous regression
Published
23 May 2013
74% complete
MRI
Article
Extradural neural axis compartment
Extradural neural axis compartment (EDNAC) exists from the tip of the coccyx all the way to the back of the globe, and yet it is relatively unknown as a concept. It is bounded externally by the periosteum of the vertebrae and sacrum inferiorly and the skull superiorly, and the visceral (meningea...
Case
Solitary fibrous tumor of the dura
Published
03 Mar 2022
95% complete
MRI
Case
Lumbar discal cyst
Published
20 Sep 2022
78% complete
CT
MRI
Case
Juvenile nasopharyngeal angiofibroma
Published
10 Nov 2014
89% complete
MRI
Article
Caput medusae sign (developmental venous anomaly)
The caput medusae sign also sometimes known as a palm tree sign refers to developmental venous anomalies of the brain, where a number of veins converge centrally into a single draining vein.
The sign is seen on both CT and MRI when contrast medium is administered. Angiographically the caput me...
Case
Cerebral arteriovenous malformation with hemorrhage
Published
16 Apr 2014
95% complete
CT
DSA (angiography)
Case
Chordoma - clivus
Published
18 Jan 2022
88% complete
CT
MRI
Article
Flame sign (carotid)
The flame sign refers to a gradual tapering of contrast opacification in the mid-cervical internal carotid artery, sparing the carotid bulb. The sign can be observed on angiography (digital subtraction angiography 1, CT angiography 1, or contrast-enhanced MR angiography 2) in either of two scena...
Case
MCA infarction
Published
20 Jun 2013
91% complete
CT
MRI
Case
Pituitary hypertrophy in pregnancy
Published
09 Jan 2017
92% complete
MRI
Case
Creutzfeldt-Jakob disease
Published
19 Jul 2012
89% complete
MRI
Case
Spontaneous intracranial hypotension
Published
18 Jul 2008
77% complete
MRI
Case
Alzheimer disease (SPECT)
Published
29 Sep 2010
41% complete
Nuclear medicine
Case
Non-accidental injury - skull fractures
Published
15 Nov 2022
80% complete
CT
Article
Perivascular spaces
Perivascular spaces, also known as Virchow-Robin spaces are fluid-filled spaces that surround small arterioles, capillaries and venules in the brain. Those that surround perforating vessels are frequently seen on routine MRI imaging.
Despite having been described well over a century ago and se...
Case
Cystic dilatation of cavum velum interpositum
Published
16 May 2018
89% complete
CT
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