Cranial nerve I
is the sensory nerve that conveys odor information from the nose to the brain.
03 Which other cranial nerve is
it important to test the function of?
(8,9) The most frequently involved cranial nerve is
the oculomotor nerve, followed by abducens nerve.
(1) It is a very important sign as the tumor is already in stage IV once the cranial nerve is
Destruction of the skull base resulting in intracranial extension with cranial nerve involvement is not unusual because the cranial nerve is
located adjacent to the skull base and the tumor is infiltrating in nature.
The first cranial nerve is
the purveyor of our chemosenses, smell and taste.
The eighth cranial nerve is
commonly affected as it has a long segment exposed to CSF (4) and is particularly well lined by myelin that is supported by haemosiderin-sensitive microglial cells.
The seventh (peripheral facial paresis) or fifth (decreased corneal reflex, facial numbness) cranial nerve is