jugular foramen


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jugular foramen

[′jəg·yə·lər fə′rā·mən]
(anatomy)
An opening in the cranium formed by the jugular notches of the occipital and temporal bones for passage of an internal jugular vein, the ninth, tenth, and eleventh cranial nerves, and the inferior petrosal sinus.
References in periodicals archive ?
Jugular foramen involvement does not fit into the cephalocele classification.
In this series, complete resection of tumors with intra- and extracranial involvement was achieved in 94.1% of patients (80 out of 85 people) using ETA, including total tumor removal in all 37 cases in the anterior skull base; total tumor removal in 13 cases and subtotal tumor removal in 3 cases in the clivus; total tumor removal in 16 cases and subtotal tumor removal in 2 cases in the lateral skull base; and total tumor removal in all 14 cases in the jugular foramen. All patients with carcinoma, esthesioneuroblastoma, and neuroendocrine carcinoma were given postoperative radiotherapy.
The tympanic branches of 9th and 10th cranial nerves also pass through jugular foramen. Jugular foramen may be classified into three parts (petrosal, sigmoid and intrajugular part) according to the structures which passed through the jugular foramen.
Differential diagnosis of lesions in the jugular foramen include: meningiomas, glomus jugulare tumors, juguluar diverticulum, jugular parangliomas, vestibular schwannomas and metastasis, among others.
Extensive bony destruction in the region of the jugular foramen extending intracranially and into the hypotympanum of the left middle ear was noted (Fig.
Dodo (1986) suggested that the jugular foramen has a bony partition that may be caused by an intra-jugular process of occipital bone, this partition may result in duplication of IJV (Sankar & Bhanu).
Caption: FIGURE 4: MRI scan (axial cut) of the skull base showing a large lesion involving the region of the right jugular foramen (JF).
Jugular foramen dome variation is due to the dissimilarity in the racial and the geographical source of study material.
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.
Six months postoperatively, TH developed excruciating neck pain with movement of her cervical spine and a jugular foramen syndrome, as evidenced by hoarseness and moderate dysphagia.
Advanced inflammatory infiltrate at the central skull base was observed that involved the parapharyngeal, retropharyngeal, carotid, parotid, retroparotid, and prevertebral compartments, as well as extending to the jugular foramen (Figures 5(a)-5(c)).