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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Stereotactic radiosurgery for the treatment of Glomus Jugulare Tumors
The tumors presented an average size of 3. Access a collection of Canadian resources on all gllomus of English and French, including quizzes. Radiation of glomus tumors of the temporal bone. Change the order of display of the official languages of Canada English first French first Option to display the non-official languages Spanish or Portuguese Neither Spanish Portuguese Display definitions, contexts, etc.
Imaging findings in schwannomas of the jugular foramen. Al-Mefty O, Teixeira A. This characteristic facilitates the marking of the target and the reduction of radiation isodoses. Surgical excision is the preferred method of treatment for benign glomus tumors. The role of Gamma Knife Radiosurgery in the management of glomus jugulare tumors.
Glomus jugulare paraganglioma | Radiology Reference Article |
Multiple lesions are slightly more common in males. Selective embolization and surgical resection for head and neck glomus tumours-clinical outcome analysis.
CT is most useful at assessing the bony margins of the tumor, which are typically irregularly eroded with a moth-eaten pattern. Due to the risk of hypertension crisis and other complications that flomus occur in the intraoperative period, patients with hypersecretory tumors need preoperative preparation with the use of alpha or beta blockers.
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.
Criteria for the diagnosis of malignancy in glomus yugulr are: The main treatment is surgery. The jugular foramen is also where the jugular vein and several important nerves exit the skull.
Radiation or surgery for chemodectoma of the temporal bone: Of these series, five used Gamma Knife and three used linear accelerator as a therapeutic approach, describing a total of patients. Glomus jugulare tumors are rarely cancerous and do not tend to spread to other parts of the body. 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.
The vast majority are found in the distal extremities, particularly in the hand, wrist, foot, and under the fingernails. This is an open-access article distributed under the terms of the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original author and source are credited. Criteria, treatment, and outcome. Temporal bone neoplasms and lateral cranial base surgery. 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.
Table 3 Neurological and clinical data in 15 patients. In other projects Wikimedia Commons. Youmans and Winn Neurological Glomuw.
The literature contains few described series of radiosurgery for GJTs to date, reflecting the limited use and knowledge of this technique. A case report of widespread metastases in a patient with multiple glomus body hamartomas”. Improvement of the glomu was verified in three cases, and one patient presented transient facial paresis after radiosurgery, but evolved with improvement after clinical treatment.
D ICD – This article has been cited by other articles in PMC. The follow-up durations were in range of months mean CT is excellent at assessing the integrity of the ossicles and bony labyrinth 3. The option of Gamma Knife radiosurgery.