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.
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Glomus jugulare paraganglioma | Radiology Reference Article |
Vascular tissue neoplasm Glomus tumor Glomangiosarcoma. However, metastases do occur and are usually fatal. CT is most useful yugualr assessing the bony margins of the tumor, which are typically irregularly eroded with a moth-eaten pattern. Change in voice Difficulty swallowing Hearing loss Paralysis of the face. Support Center Support Center. The degree of surgical resection and tumor malignancy may influence the time and frequency of postoperative recurrence.
The cause of a glomus jugulare tumor is unknown. Nevertheless, series with a larger number of cases and prolonged follow-up are still necessary to verify the true efficacy of the method and to identify possible late malignant transformations. As it is a noninvasive technique, it avoids the complications associated with surgery, yet without the potential glimus of the conservative treatment. Carrasco V, Rosenman J. Radiation or surgery for chemodectoma of the temporal bone: In cases with initial surgical indication in which complete resection is not feasible due to the high risk of neurological deficit or of postoperative morbidity, professionals opt for subtotal resection and therapeutic supplementation with radiosurgery or stereotactic radiotherapy.
Tumours may be bilateral, and other tumours such as carotid body tumours may coexist. Also erosion of the caroticojugular spine between the carotid canal and jugular fossa may be present Phelp sign.
Glomus jugulare tumor
CT and MR appearance. Published online Nov 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 ].
Long-term control by radiation therapy. Unable to process the form. Fukushima journal of medical science. These tumors tend to have a bluish discoloration, although a whitish appearance may also be noted. A clinical study of 69 patients. Received Jun 10; Accepted Aug The most common complications are due to nerve damage, which may be caused by the tumor itself or damage during surgery.
Fractionated stereotactic radiotherapy of glomus jugulare tumors. Radiosurgery of glomus jugulare tumors: No acute complication related to radiosurgery was described.
Glomus jugulare tumors are rarely cancerous and do not tend to spread to other parts of the body. Case 3 Case yugulsr. Micrograph of a glomus tumor. Cases and figures Imaging differential diagnosis.
A Case Report and Review of the Literature”. To quiz yourself on this article, log in to see multiple choice questions. This tumor can affect the ear, upper neck, base of the skull, and the surrounding blood vessels and nerves. A review of yutular control and complications. These images are fused to a computed tomography CT scan performed in the current day of treatment.
The role of radiation therapy in the management of catecholamine secreting glomus tumors. Treatment of glomus jugulare tumors in patients with advanced age: 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.
The direct comparison between surgery and radiosurgery as a primary therapeutic approach is difficult since both techniques present different objectives complete resection of the lesion in surgery and inhibition of tumor growth in radiosurgery.
Glomus tumors are modified smooth muscle cells that control the thermoregulatory function of dermal glomus bodies. On a basis of the results obtained, the authors recommend radiosurgery as a valid alternative for the primary management of glmus with GJT.
In most cases, there are no known risk factors.
Arch Otolaryngol Head Neck Surg. The stereotactic fractionated radiotherapy could be a further treatment option, mainly in large tumors. Recurrent head and neck chemodectomas: