Background:The glomus jugulare tumor is a slowly growing benign neoplasm originating from neural crest. There is a high morbidity associated with surgical resection of glomus jugulare. Radiosurgery play a relevant role as a therapeutic option in these tumors and its use has grown in popularity. The authors describe a retrospective series of 15 patients and reviewed the literature about the glomus jugulare tumors.Methods:We reviewed retrospectively the data of 15 patients treated with stereotactic linear accelerator stereotactic radiosurgery (LINAC) radiosurgery between 2006 and 2011.Results:The average tumor volume was 18.5 cm3. The radiation dose to the tumor margin ranged between 12 and 20 Gy. The neurological status improved in three patients and remained unchanged in 12 patients. One patient developed a transient 7th nerve palsy that improved after clinical treatment. All tumors remained stable in size on follow-up with resonance magnetic images.Conclusions:The radiosurgery is a safe and effective therapy for patients with glomus jugulare tumor. Despite the short follow-up period and the limited number of patients analyzed, we can infer that radiosurgery produce a tumor growth control with low morbidity, and may be used as a good option to surgical resection in selected cases.
Radiosurgery (SRS) or Stereotactic Radiotherapy (SRT) is a standard procedure as second-line treatment in patients with pituitary adenoma, when cure with the initial surgical and/or hormonal treatment is not possible. When compared to conventional Radiotherapy (RT), the stereotactic procedure shows a reduction of risks especially in visual and pituitary alterations. The prognosis of this type of intervention in the long-term control of tumor growth is excellent in 95 to 100% of the cases. In patients who have secreting tumors, reduction or normalization of elevated hormone levels are observed (40 to 92%). In general, the latency time is more than16 months and is dependent on the dose and the number of fractions. The best results are observed in Acromegaly, followed by Cushing`s Disease and Prolactinoma.
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