Module 8 ( Brain Tumors) Flashcards
Where do you see bracket calcification on skull X-ray?
Lipoma of corpus callosum
Figure of 8 or snowman appearance in brain (not of whole brain ) is seen in. MRI brain.
Pituitary macro adenoma
Where do you see butterfly lesion in MRI brain
Glioblastomas
Choline Peak on MR spectroscopy is seen in which condition
Glioma
In What conditions can you see cerebrpontine angle tumours?
SAME mnemonic
S - schhwanoma
A - aneurysm, arachnoid cyst
M - meningioma, metastasis
E - ependymoma, epidermoid
Where do you see salt and pepper sign on MRI brain
Paraganglioma
Where do you see tram track sign on CT head?
Optic nerve sheath optic nerve sheath meningioma
Where do you see Giant panda appearance on FLAIR MRI
Wilson’s disease
Where do you see Dawson’s fingers in MRI brain ?
Multiple sclerosis
Where do you see hot Cross buns sign on MRI?
MSA type C . ( multiple system atrophy.)
Where do you see owls sign on T2 MRI?
Central Pontine myelinosis
Where do you see swallowtail sign on MRI?
Seen in normal MRI as it depicts the nigrosome 1 in substantia nigra. Absence of this sign indicates Parkinson’s.
Where do you see cortical ribbon sign in MRI?
Sporadic cjd (cruetzfield jakob disease)
