NervesDiameters of the jugularOvaleTumorsMagnumParagangliomaVagusVeinsAscending pharynBulbRight internal juguStylomastoid foramenAnatomySchwannomaMeningealLateralMandibularInferior petroAnteriorSyndromePosterior compartmentNerveAnatomicalNeckSigmoidSuperiorTemporal boneBoneBranchesBaseTympanicPatients
Nerves7
- To study the anatomy of the jugular foramen, internal jugular vein and glossopharyngeal, vagus and accessory nerves, and to identify the anatomical relationships among these structures in the jugular foramen region and lateral-pharyngeal space. (bjorl.org.br)
- Jugular vein, carotid artery, nerves (labeled). (vesalius.com)
- Above, it lies upon the rectus capitis lateralis, behind the internal carotid artery and the nerves passing through the jugular foramen. (definitions.net)
- The nerves pass through the membrane covering the jugular foramen, a small opening in joint between the temporal and occipital bones. (stanleyrosenberg.com)
- The spinal portion of the nerve, or external ramus, extends into the neck, where at first it lies along with other nerves, in the interval between the internal carotid artery and the internal jugular vein. (co.ma)
- Cranial nerves arise directly from the brain in contrast to spinal nerves and exit through its foramina. (byjus.com)
- Greater and lesser palatine foramina (for palatine nerves and arteries) and posterior nasal spine Vomer 1. (slideshare.net)
Diameters of the jugular3
- The diameters of the jugular foramen and its anatomical relationships were analyzed. (bjorl.org.br)
- The diameters of the jugular foramen and internal jugular vein were greater on the right side in most studied specimens. (bjorl.org.br)
- The same neuroradiologist used axial computed tomographic scans to measure the greatest anterior-posterior (AP) and lateral diameters of the jugular bulb. (elsevierpure.com)
Ovale4
- The third trigeminal division passes through the foramen ovale on the lateral side of the eustachian tube. (neurosurgicalatlas.com)
- It's accessory meningeal artery, not nerve passing through foramen ovale. (medchrome.com)
- It is a syndrome characterized by marked pulmonary hypertension that causes hypoxemia secondary to right-to-left shunting of blood at the foramen ovale and ductus arteriosus. (medscape.com)
- Preductal and postductal oxygen saturation measurements via pulse oximetry will often show a 10% or higher gradient difference, which is dependent on the magnitude of left-to-right shunting at the foramen ovale (with preductual saturations being higher). (medscape.com)
Tumors5
- We report the imaging findings in a relatively large series of schwannomas of the jugular foramen, contrasting them with other disease entities, especially vestibular schwannomas and tumors of the glomus jugulare. (ajnr.org)
- All tumors were partially located within the jugular foramen. (ajnr.org)
- About 130 patients with neurogenic tumors of the jugular foramen without associated neurofibromatosis have been reported. (ajnr.org)
- Nonchromaffin paragangliomas (chemodectomas) arise in the temporal bone from glomus bodies in the jugular bulb (glomus jugulare tumors) or the medial wall of the middle ear (glomus tympanicum tumors). (msdmanuals.com)
- Cranial nerve palsies of the 9th, 10th, or 11th nerve may accompany glomus jugulare tumors that extend through the jugular foramen. (msdmanuals.com)
Magnum4
- Successively joining together, the fila radicularia (rootlets) form a trunk which ascends in the subdural space of the spinal medulla, posterior to the ligamentum denticulatum, to the foramen magnum. (co.ma)
- that portion which extends from the foramen magnum to the dorsum sellæ of the sphenoid. (co.ma)
- At a later stage the cartilages of either side unite, dorsal to the foramen magnum, to form the tectum posterius or the tectum synoticum (Keibel and Mall). (co.ma)
- relations in front of the foramen magnum it runs for a short distance in a groove on the dorsal surface of the occipital plate, then pierces the cartilage so as to lie ventral to it in the retropharyngeal tissue, again enters the chondro-cranium by passing dorsalwards in the suture between the occipital plate and sphenoidal cartilage and ends dorsal to the latter cartilage. (co.ma)
Paraganglioma3
- The short- and intermediate-term risk of progression to nonserviceable hearing following stereotactic radiosurgery for jugular paraganglioma is low. (medscape.com)
- In a series of 85 patients who underwent SRA for the treatment of jugular paraganglioma, the Kaplan-Meier estimated rates of serviceable hearing at 1, 3, and 5 years following SRS were 91%, 80%, and 80%, respectively. (medscape.com)
- Jugular foramen capillary hemangioma masquerading as a paraganglioma. (ucdenver.edu)
Vagus3
- The vagus nerve descends vertically within the carotid sheath posterolateral to the internal and common carotid arteries and medial to the internal jugular vein (IJV) at the root of the neck. (medscape.com)
- There the two portions unite into a single trunk, which leaves the cranial cavity through the jugular foramen in the same compartment of dura mater as the vagus nerve (Fig. 647, p. 771). (co.ma)
- In the jugular foramen the accessory portion of the nerve or internal ramus (after furnishing a small branch to the jugular ganglion of the vagus) applies itself to the ganglion nodosum, and in part joins the ganglion, in part the trunk of the nerve beyond the ganglion. (co.ma)
Veins1
- HN - 2008 MH - Transverse Sinuses UI - D054064 MN - A07.231.908.224.833 MS - The two large endothelium-lined venous channels that begin at the internal occipital protuberance at the back and lower part of the CRANIUM and travels laterally and forward ending in the internal jugular vein (JUGULAR VEINS). (bvsalud.org)
Ascending pharyn2
- The posterior compartment transmits the sigmoid sinus (becoming the internal jugular vein), and some meningeal branches from the occipital artery and ascending pharyngeal artery. (wikipedia.org)
- The larger, posterolateral, "pars vascularis" compartment contains CN X, CN XI, Arnold's nerve (or the auricular branch of CN X involved in the Arnold's reflex, where external auditory meatus stimulation causes cough), jugular bulb, and posterior meningeal branch of ascending pharyngeal artery. (wikipedia.org)
Bulb5
- The stylomastoid foramen and the mastoid segment are located lateral to the jugular bulb. (neurosurgicalatlas.com)
- The semicircular canals are located above the jugular bulb. (neurosurgicalatlas.com)
- L , The floor of the middle fossa and the tympanic sulcus have been removed to expose the jugular bulb and petrous carotid. (neurosurgicalatlas.com)
- M , The jugular bulb has been removed from the jugular fossa located below the vestibule and semicircular canals. (neurosurgicalatlas.com)
- The vestibule, semicircular canals, and cochlea are exposed above the jugular bulb and lateral genu of the petrous carotid. (neurosurgicalatlas.com)
Right internal jugu4
- At the root of the neck, the right internal jugular vein is a little distance from the common carotid artery, and crosses the first part of the subclavian artery, while the left internal jugular vein usually overlaps the common carotid artery. (definitions.net)
- A resident is attempting her first placement of a central line into the right internal jugular vein. (proprofs.com)
- When inserting a central line into the right internal jugular vein, it is important to locate the point of insertion accurately. (proprofs.com)
- The right internal jugular vein lies between the two heads of the sternocleidomastoid muscle. (proprofs.com)
Stylomastoid foramen1
- The tympanic segment of the facial nerve passes below the lateral semicircular canal and turns downward as the mastoid segment to exit the stylomastoid foramen. (neurosurgicalatlas.com)
Anatomy2
- Due to the advances in surgical techniques, approaches to the jugular foramen became more frequent, requiring improvement of the knowledge of this region anatomy. (bjorl.org.br)
- Kanno T, Kiya N, Sunil MV. This article presents the microsurgical anatomy of jugular foramen through the retroauricular, transmastoid infralabyrinthine approach. (neuroanatomy.org)
Schwannoma5
- One additional patient with an assumed schwannoma of the jugular foramen, who did not have surgery, was also included. (ajnr.org)
- Schwannoma of the jugular foramen is characteristically a sharply demarcated, contrast-enhancing tumor, typically centered on or based in an enlarged jugular foramen with sharply rounded bone borders and a sclerotic rim. (ajnr.org)
- Schwannomas of the jugular foramen, usually with origin from the ninth nerve, are rare, but the presenting symptoms may be similar to those of a vestibular schwannoma owing to mass effect by tumor growth in the posterior cranial fossa (2-4) . (ajnr.org)
- We retrospectively studied the imaging findings in nine patients (seven women and two men) with a diagnosis of schwannoma of the jugular foramen referred to our institution from 1984 to 1996. (ajnr.org)
- Jugular Foramen Ganglioneuroma Presenting Radiographically as Schwannoma. (ucsd.edu)
Meningeal1
- The meningeal branch arises at the superior ganglion and reenters the cranium through the jugular foramen to supply the posterior fossa dura. (medscape.com)
Lateral2
- Dagtekin, A. Morphometric Assessment of the Carotid Foramen for Lateral Surgical Approach. (mersin.edu.tr)
- It arises also from the superior ganglion and enters the mastoid canaliculus in the lateral part of the jugular foramen. (medscape.com)
Mandibular1
- Lingula: projection anterior to mandibular foramen 8. (slideshare.net)
Inferior petro1
- An alternative imaging based subclassification exists, delineated by the jugular spine which is a bony ridge partially separating the jugular foramen into two parts: The smaller, anteromedial, "pars nervosa" compartment contains CN IX, (tympanic nerve, a branch of CN IX), and receives the venous return from inferior petrosal sinus. (wikipedia.org)
Anterior2
- The accessory nerve passed around the internal jugular vein via its anterior wall in 71.7% of cadavers. (bjorl.org.br)
- The internal jugular vein gets compressed by anterior subluxation of C1 and C0-C1 instability. (caringmedical.com)
Syndrome3
- Obstruction of the jugular foramen can result in jugular foramen syndrome. (wikipedia.org)
- Eagle syndrome and the Diagnosis of Stylohyoid Complex Syndrome , for a more detailed understanding of jugular vein compression caused by a hypermobile or elongated styloid bone. (caringmedical.com)
- We will sit with the patient and their spouse or partner and then tell them that we believe many of their symptoms are coming from compression of their jugular vein, the compression is being caused by pressure from the cervical vertebrae or a problem with the styloid process at the base of the skull and possible carotid artery syndrome. (caringmedical.com)
Posterior compartment1
- It begins in the posterior compartment of the jugular foramen, at the base of the skull. (definitions.net)
Nerve4
- This virtual approach offers the possibility to connect with certainty all the external foramina to the blood and nerve canals and the central structures, and thus identify accurate homologies without destroying the specimen. (plos.org)
- The nerve may be injured by diseases affecting the lower brain stem, floor of the posterior fossa, jugular foramen, or the nerve's extracranial course. (nih.gov)
- It leaves the skull through the middle compartment of the jugular foramen, where it has upper and lower ganglionic swellings, which are the sensory ganglia of the nerve. (medscape.com)
- En bloc resection of the ear canal with sparing of the facial nerve is done when lesions are limited to the canal and have not invaded the middle ear. (msdmanuals.com)
Anatomical1
- The anatomical complexity of the jugular foramen makes surgical procedures in this region delicate and difficult. (bjorl.org.br)
Neck5
- How does venous obstruction (jugular vein stenosis) occur in a neck? (caringmedical.com)
- The internal jugular vein is a paired jugular vein that collects blood from the brain and the superficial parts of the face and neck. (definitions.net)
- The internal jugular vein is a major blood vessel in the neck that drains blood from the brain, face, and neck, returning it to the heart. (definitions.net)
- Internal jugular vein is a paired vein collecting the blood from the brain, the superficial parts of the face, and the neck. (definitions.net)
- An 18-year-old male presented to the Emergency Room bleeding profusely from a deep cut in the left occipital triangle of his neck and undergoes emergency surgery to repair his internal jugular vein. (proprofs.com)
Sigmoid1
- Internal Jugular vein (IJV) - Sigmoid sinus junction b. (medchrome.com)
Superior1
- The superior ganglion (jugular) is less than 0.5 cm in diameter, while the inferior (nodose) ganglion is larger (2.5 cm) and lies 1 cm distal to the superior ganglion (see the image below). (medscape.com)
Temporal bone1
- The jugular foramen is formed in front by the petrous portion of the temporal bone, and behind by the occipital bone. (wikipedia.org)
Bone1
- In seven patients, CT scans with bone algorithm showed an enlarged jugular foramen with sharply rounded bone borders and a sclerotic rim. (ajnr.org)
Branches1
- You have been searching for possible answers to your symptoms because no one can find out why you have them, or, an enlightened clinician suspects that your jugular vein has something to do with it and he/she ordered a Jugular Vein Doppler Ultrasound or jugular venography to take pictures of your jugular vein and its branches. (caringmedical.com)
Base2
- A jugular foramen is one of the two (left and right) large foramina (openings) in the base of the skull, located behind the carotid canal. (wikipedia.org)
- Jugular foramen Base of the skull. (wikipedia.org)
Tympanic1
- Hyperintense material is seen within the right tympanic bulla, with marked rim enhancement of the inner tympanic bulla wall and enhancement of the dorsal aspect of the material at the level of the oval foramen on postcontrast images (arrows). (avma.org)
Patients1
- We hypothesized that craniosynostotic patients have significantly reduced jugular foramen (JF) when compared with age-matched controls. (elsevierpure.com)