Glomus tumor was also the name formerly (and incorrectly) used for a tumor now called a paraganglioma. A glomus tumor is a rare neoplasm arising from the. CT temporal bone and MRI internal auditory canal: 4 mm soft tissue mass along the right cochlear promontory consistent with a glomus tympanicum. Paragangliomas account for % of all neoplasms in the head and neck region, and about 80% of all paraganglioms are either carotid body tumors or glomus.

Author: Malasida Grosar
Country: Thailand
Language: English (Spanish)
Genre: Finance
Published (Last): 13 April 2018
Pages: 92
PDF File Size: 20.41 Mb
ePub File Size: 20.35 Mb
ISBN: 617-3-85124-326-3
Downloads: 95883
Price: Free* [*Free Regsitration Required]
Uploader: Vohn

A glomus jugulare tumor grows in the temporal bone of the skull, in yugulad area called the jugular foramen. Endolymphatic sac tumor Endolymphatic sac tumor.

Available FREE in open access from: Of this total group of patients, 8 cases were excluded from the present analysis as they had been submitted to fractionated radiotherapy, and 16 patients had insufficient data for tlomus or were lost to follow-up. Several classification systems are used in the evaluation of GJT, yet the system of Glasscock—Jackson [ Table 1 ] and that of Fisch are used most often to describe cases.

Stereotactic radiosurgery for the treatment of Glomus Jugulare Tumors

Micrograph of a glomus tumor. Another patient that was treated previously with external beam radiotherapy experienced transient ipsilateral vocal cord paresis that resolved after 8 months. The language you choose must correspond to the yugulzr of the term you have entered.

Surgical excision is the preferred method of treatment for benign glomus tumors. When to Contact a Medical Professional.

Histologically, glomus tumors are made up of an afferent arteriole, anastomotic vessel, and collecting venule. A standard prescription uses a total dose from 45 to 55 Gy with daily fractions from 1. Neuroendocrine tumor Paraganglioma Pheochromocytoma.


Head and Neck Cancer Read more.

All tumors remained stable in size on follow-up with resonance magnetic images. The exact incidence of glomus tumors is unknown. The role of radiation therapy in the management of catecholamine secreting glomus tumors. Paragangliomas of the head and neck region: Based on a retrospective reviewed of patient’s records, we analyzed all the following variables: In general, GJT exhibit an indolent clinical behavior, with a long interval between 4 and 6 years on average between yugulr first symptoms and their diagnosis.

Otolaryngol Clin North Am.

Infobox medical condition gglomus. Sertoli-Leydig cell tumour Luteoma. Nerve damage can lead to:. No acute complication related to radiosurgery was described. Two of the fifteen patients were submitted to previous surgical treatment a few yugjlar before the radiosurgery. This characteristic facilitates the marking of the target and the reduction of radiation isodoses.

Stereotactic radiosurgery for glomus jugulare tumors. The combined transmastoid retro- and infralabyrinthine transjugular transcondylar transtubercular high glojus approach for resection of glomus jugulare tumors. Multiple tumors are less likely to be painful. Efficiency of gamma knife radiosurgery in the treatment of glomus jugulare tumors.

Fractionated stereotactic conformal radiotherapy in the management of large chemodectomas of the skull base. Of these series, five used Gamma Knife and three used linear accelerator as a therapeutic approach, describing a total of patients.

According to Al-Melfty and Teixeira, even the most complex tumors can be resected safely and with low morbidity. Bradley’s Neurology in Clinical Practice. Table 3 Neurological and clinical data in 15 patients.


Glomus jugulare paraganglioma | Radiology Reference Article |

Elevation of the nail bed can occur. Glomus jugulare tumors of the temporal bone. These tumors tend to have a bluish discoloration, although a whitish appearance may also be noted.

Solitary glomus tumors, particularly glojus lesions, are more common in females than in males. To be included in this category, tumors must present one or more of the following criteria: Biochemical and clinical responses after treatment of a catecholamine-secreting glomus jugulare tumor with gamma knife radiosurgery.

In some cases, a procedure called embolization is performed before surgery to prevent the tumor from bleeding too much during surgery.

Glomus tumor – Wikipedia

Familial glomangiomas have been associated with a variety of deletions in the GLMN glomulin gene, and are inherited in an autosomal dominant manner, with incomplete penetrance. National Center for Biotechnology InformationU. Angiography demonstrates an intense tumor blush, with the most common feeding vessel being the ascending pharyngeal 3.

Angiography also has a role to play in preoperative embolisation, which is typically carried out days prior to surgery, however care must be taken to fully evaluate feeding vessels. Table 1 Glasscock-Jackson classification of glomus jugulare tumors. Despite the differences of the many classification systems used in the evaluation of GJTs, we opted to use the Glasscock-Jackson classification as we consider it to be more reproducible and simple [ Table 1 ].

Previous post: