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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After an average clinical follow-up time of 60 months, 11 patients did not experience any change in tumor size, while 2 revealed volume reduction after stereotactic radiosurgery.
Glomus jugulare tumor
Stereotactic radiosurgery for glomus jugulare tumors. While it is a rare tumor, it is the most common of the jugular fossa tumours.
A prolonged follow-up of the cases is necessary to determine the postradiosurgery control rate with greater accuracy. Therapeutic advantages of minimalism in the skull base. Jugular Read Edit View history.
Cases and figures Imaging differential diagnosis. GJTs are considered histologically benign and slow growing. All patients except one had complete resolution of presenting symptoms. The average tumor volume was In general, GJT exhibit an indolent clinical behavior, with a long interval between 4 and 6 years on average between the first symptoms and their diagnosis.
Malignant glomus tumors have been subdivided into three categories based on their histologic appearance: National Center for Biotechnology InformationU.
Stereotactic radiosurgery for the treatment of Glomus Jugulare Tumors
Check for errors and try again. The second aspect is that the consequences of injury to ykgular low cranial nerves, which are typically involved in GJT, are very severe. Vascular tissue neoplasm Glomus tumor Glomangiosarcoma. Gamma knife radiosurgery for glomus jugulare tumors: Angiography demonstrates an intense tumor blush, with the most common feeding vessel being the ascending pharyngeal 3.
Glomus tumor – Wikipedia
Case 2 Case 2. In most cases, there are no known risk factors.
The first is that most patients have benign, very slow-growing tumors, although malignancy can occur infrequently. In rare cases, the tumors may present in other body areas, such as the gastric antrum or glans penis.
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. Youmans and Winn Neurological Surgery. This page was last edited on 31 Decemberat D ICD – Eventually as the tumor enlarges the jugular spine is eroded and the mass extends into the middle earas well as inferiorly into the infratemporal fossa.
Loading Stack – 0 images remaining. The role of radiation therapy in the treatment of glomus jugulare tumors. These tumors tend to have a bluish discoloration, although a whitish appearance may also be noted. Al-Mefty O, Teixeira A. In spite of the long surgical experience yugklar the approach to GJT, their treatment is still a subject of debate and controversy.
As it is a noninvasive technique, it avoids the complications associated with surgery, yet without the potential risk of the conservative treatment.
However, metastases do occur and are usually fatal. Access a collection of Canadian resources on all aspects of English and French, including quizzes. When to Contact a Medical Professional.