NEURORADIOLOGY

molar tooth sign (MRI brain) = Joubert syndrome
starry sky sign(CT) = appearance that may be seen with neurocysticercosis
Boomerang Sign-hyperintense signal in the splenium of the corpus callosum accompanying stroke; also an
MRI sign in peroneus brevis split syndrome
Figure of eight (MRI) = Appearance of brain in lissencephaly
Boxcar ventricles = appearance of frontal horns that may be seen in huntington's disease
salt and pepper appearance(MRI) = paraganglioma
hot cross bun = multisystem atrophy
humming bird sign = progressive supranuclear palsy
Eye of tiger Sign = low signal intensity circumscribing the globus pallidus in patients with hallervorden - spatz

disease