Eventually, computed tomography (CT) was obtained, and it demonstrated a recurrent chondrosarcoma in the right jugular foramen
The authors favored using the glossopharyngeal meatus as the target for GPN radiosurgery for three reasons: first, the opening of the jugular foramen
is a good landmark well visualized on CT images; second, at this location the glossopharyngeal nerve is separated from the vagus and accessory nerves; and third, the distance from the brainstem allows higher radiosurgery doses (18).
The jugular foramen
is situated between the petrous portion of temporal and occipital bones and originates from persistence of the embryologic foramen lacerumposticus, the space between the basi-occiput and auditory canal.
Extensive bony destruction in the region of the jugular foramen
extending intracranially and into the hypotympanum of the left middle ear was noted (Fig.
syndrome has several etiologies, including trauma, tumor growth, and infection.
Metastatic involvement of the jugular foramen
may result in Collet-Sicard syndrome.
Because of her jugular foramen
syndrome, she underwent placement of a PEG and a tracheostomy.
The vagus nerve leaves the skull base through the jugular foramen
and descends with the accessory nerve.
Computed tomography (CT) of the temporal bones detected a 12 x 14-mm enhancing mass with bone destruction in the left jugular foramen
Magnetic resonance imaging revealed a 4-cm left-sided jugular foramen
When it occurs, the radiologist should examine the neck for the presence of a lesion along the course of the vagus nerve (cranial nerve X), which passes through the pars nervosa of the jugular foramen
and along the carotid sheath.
The tumor mass involved the jugular foramen
inferiorly and extended into the cavernous sinus surrounding the carotid artery.