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Tse V, Sillanpaa J, Minn AY, Teng M, Xiaoyang F, Gillis A, Millender L, Sheridan W, Wara W. Glomus tumors treated with stereotactic radiosurgery: A retrospective study. J Radiosurg SBRT 2017; 5:73-81. [PMID: 29296465 PMCID: PMC5675510] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Subscribe] [Scholar Register] [Received: 12/12/2016] [Accepted: 05/09/2017] [Indexed: 06/07/2023]
Abstract
BACKGROUND Glomus tumors are difficult to manage surgically because they are vascular tumors that are topographically associated with important vascular and neuronal structures. Hence, there is a strong risk of incomplete resection and a high morbidity rate. In addition, they grow slowly. Recent treatments have increasingly involved a combination of surgical resection and radiosurgery. We present our experience in treating glomus tumors of the skull base with stereotactic radiosurgery as an upfront therapy. METHODS We analyzed data from 13 consecutive patients with glomus tumors that were initially treated with stereotactic radiosurgery in our institute from February 2010 to April 2012. The tumor control rate, resolution of symptoms, and the complication rate were tabulated. RESULTS All patients were female with a median age of 63 (mean 62.7+/-14.6 years). The median treatment dose was 25.8 Gy (27.6 Gy +/- 9.5 Gy) and the median tumor volume 10.4 mL (9.2 +/- 6.5). The median follow-up was 47.4 months (51.8+/-11.2 months, range 31-74). The tumor control rate was 92.3%; 46.7% of the patients had noticeable tumor shrinkage. This happened at a median interval of 17 months (18.7+/-6.8) after treatment. Most patients with tinnitus had resolution of their symptoms (87.5%). Four patients presented with new symptoms and four patients with worsening of pre-existing symptoms. The time course of symptomatic improvement followed that of tumor size reduction. However, there was no statistical correlation between the amount of tumor reduction and symptomatic relief. CONCLUSION Stereotactic radiosurgery (SRS) is an effective upfront treatment option in the management of glomus tumors.
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Affiliation(s)
- Victor Tse
- Department of Radiation Oncology, Kaiser Permanente Comprehensive Cancer Treatment Center, 220 Oyster Point Blvd., South San Francisco, CA 94080, USA
- Department of Neurosurgery, Kaiser Permanente Northern California Neuroscience Center, Tower Building 3rd Floor, 1150 Veterans Blvd., Redwood City, CA 94063, USA
| | - Jussi Sillanpaa
- Department of Radiation Oncology, Kaiser Permanente Comprehensive Cancer Treatment Center, 220 Oyster Point Blvd., South San Francisco, CA 94080, USA
| | - Ann Y Minn
- Department of Radiation Oncology, Kaiser Permanente Comprehensive Cancer Treatment Center, 220 Oyster Point Blvd., South San Francisco, CA 94080, USA
| | - Ming Teng
- Department of Radiation Oncology, Kaiser Permanente Comprehensive Cancer Treatment Center, 220 Oyster Point Blvd., South San Francisco, CA 94080, USA
| | - Fu Xiaoyang
- Department of Radiation Oncology, Kaiser Permanente Comprehensive Cancer Treatment Center, 220 Oyster Point Blvd., South San Francisco, CA 94080, USA
| | - Amy Gillis
- Department of Radiation Oncology, Kaiser Permanente Comprehensive Cancer Treatment Center, 220 Oyster Point Blvd., South San Francisco, CA 94080, USA
| | - Laura Millender
- Department of Radiation Oncology, Kaiser Permanente Comprehensive Cancer Treatment Center, 220 Oyster Point Blvd., South San Francisco, CA 94080, USA
| | - William Sheridan
- Department of Radiation Oncology, Kaiser Permanente Comprehensive Cancer Treatment Center, 220 Oyster Point Blvd., South San Francisco, CA 94080, USA
- Department of Neurosurgery, Kaiser Permanente Northern California Neuroscience Center, Tower Building 3rd Floor, 1150 Veterans Blvd., Redwood City, CA 94063, USA
| | - William Wara
- Department of Radiation Oncology, Kaiser Permanente Comprehensive Cancer Treatment Center, 220 Oyster Point Blvd., South San Francisco, CA 94080, USA
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