Normal MRI IAMs (with labels)
The labeled structures are (excluding the correct side):
medulla oblongata
occipital condyle
falx cerebelli
cerebellar tonsil
pars vascularis of jugular foramen
cerebellar hemisphere
premedullary cistern
intradural segment (V4) of the right (non dominant) vertebral artery
cisternal segment of the vagus nerve
cisternal segment of the glossopharyngeal nerve
intradural segment (V4) of the left (dominant) vertebral artery
cochlear aqueduct
flocculus
uvula of the vermis
posterior semicircular canal
basal turn of the cochlea
sigmoid sinus
clivus
transverse sinus
middle cerebellar peduncle
cisternal segment of the vestibulocochlear nerve
cisternal segment of the facial nerve
apical turn of the cochlea
vestibule
petrous segment of the internal carotid artery
anterior inferior cerebellar artery
cerebellopontine angle cistern
internal auditory (acoustic) canal
lateral semicircular canal
intracanalicular loop of the anterior inferior cerebellar artery
middle turn of the cochlea
canalicular segment of the vestibulocochlear nerve
canalicular segment of the facial nerve
porus acousticus
abducens nerve
fourth ventricle
basilar artery
Dorello’s canal
Meckel’s cave
superior (anterior) semicircular canal
pons
cisternal (preganglionic) segment of the trigeminal nerve
trigeminal ganglion
straight sinus
porus trigeminus
cisternal segment of the trochlear nerve
cavernous segment of the internal carotid artery
tentorium cerrebelli
vermis
prepontine cistern
superior cerebellar peduncle
Normal MRI IAMs without labels
The same normal MRI IAMs without labels for reference.
Case Discussion
The labeled structures are (excluding the correct side):
medulla oblongata
occipital condyle
falx cerebelli
cerebellar tonsil
pars vascularis of jugular foramen
cerebellar hemisphere
premedullary cistern
intradural segment (V4) of the right (non dominant) vertebral artery
cisternal segment of the vagus nerve
cisternal segment of the glossopharyngeal nerve
intradural segment (V4) of the left (dominant) vertebral artery
cochlear aqueduct
flocculus
uvula of the vermis
posterior semicircular canal
basal turn of the cochlea
sigmoid sinus
clivus
transverse sinus
middle cerebellar peduncle
cisternal segment of the vestibulocochlear nerve
cisternal segment of the facial nerve
apical turn of the cochlea
vestibule
petrous segment of the internal carotid artery
anterior inferior cerebellar artery
cerebellopontine angle cistern
internal auditory (acoustic) canal
lateral semicircular canal
intracanalicular loop of the anterior inferior cerebellar artery
middle turn of the cochlea
canalicular segment of the vestibulocochlear nerve
canalicular segment of the facial nerve
porus acousticus
abducens nerve
fourth ventricle
basilar artery
Dorello’s canal
Meckel’s cave
superior (anterior) semicircular canal
pons
cisternal (preganglionic) segment of the trigeminal nerve
trigeminal ganglion
straight sinus
porus trigeminus
cisternal segment of the trochlear nerve
cavernous segment of the internal carotid artery
tentorium cerrebelli
vermis
prepontine cistern
superior cerebellar peduncle