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Evaluation of linear accelerator-based stereotactic radiosurgery in the management of glomus jugulare tumors

Abstract

Aims and background. Although mostly benign and slow-growing, glomus jugulare tumors have a high propensity for local invasion of adjacent vascular structures, lower cranial nerves and the inner ear, which may result in substantial morbidity and even mortality. Treatment strategies for glomus jugulare tumors include surgery, preoperative embolization followed by surgical resection, conventionally fractionated external beam radiotherapy, radiosurgery in the form of stereotactic radiosurgery or fractionated stereotactic radiation therapy, and combinations of these modalities. In the present study, we evaluate the use of linear accelerator (LINAC)-based stereotactic radiosurgery in the management of glomus jugulare tumors and report our 15-year single center experience.
Methods and study design. Between May 1998 and May 2013, 21 patients (15 females, 6 males) with glomus jugulare tumors were treated using LINAC-based stereotactic radiosurgery at the Department of Radiation Oncology, Gulhane Military Medical Academy. The indication for stereotactic radiosurgery was the presence of residual or recurrent tumor after surgery for 5 patients, whereas 16 patients having growing tumors with symptoms received stereotactic radiosurgery as the primary treatment.
Results. Median follow-up was 49 months (range, 3-98). Median age was 55 years (range, 24-77). Of the 21 lesions treated, 13 (61.9%) were left-sided and 8 (38.1%) were right-sided. Median dose was 15 Gy (range, 10-20) prescribed to the 85%-100% isodose line encompassing the target volume. Local control defined as either tumor shrinkage or the absence of tumor growth on periodical follow-up neuroimaging was 100%.
Conclusions. LINAC-based stereotactic radiosurgery offers a safe and efficacious management strategy for glomus jugulare tumors by providing excellent tumor growth control with few complications.

Tumori 2014; 100(2): 184 - 188

Article Type: ORIGINAL RESEARCH ARTICLE

DOI:10.1700/1491.16409

Authors

Omer Sager, Murat Beyzadeoglu, Ferrat Dincoglan, Hakan Gamsiz, Selcuk Demiral, Bora Uysal, Kaan Oysul, Bahar Dirican, Sait Sirin

Article History

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Authors

  • Sager, Omer [PubMed] [Google Scholar]
    Department of Radiation Oncology, Gulhane Military Medical Academy, Ankara, Turkey
  • Beyzadeoglu, Murat [PubMed] [Google Scholar]
    Department of Radiation Oncology, Gulhane Military Medical Academy, Ankara, Turkey
  • Dincoglan, Ferrat [PubMed] [Google Scholar]
    Department of Radiation Oncology, Gulhane Military Medical Academy, Ankara, Turkey
  • Gamsiz, Hakan [PubMed] [Google Scholar]
    Department of Radiation Oncology, Gulhane Military Medical Academy, Ankara, Turkey
  • Demiral, Selcuk [PubMed] [Google Scholar]
    Department of Radiation Oncology, Gulhane Military Medical Academy, Ankara, Turkey
  • Uysal, Bora [PubMed] [Google Scholar]
    Department of Radiation Oncology, Gulhane Military Medical Academy, Ankara, Turkey
  • Oysul, Kaan [PubMed] [Google Scholar]
    Department of Radiation Oncology, Gulhane Military Medical Academy, Ankara, Turkey
  • Dirican, Bahar [PubMed] [Google Scholar]
    Department of Radiation Oncology, Gulhane Military Medical Academy, Ankara, Turkey
  • Sirin, Sait [PubMed] [Google Scholar]
    Department of Neurosurgery, Gulhane Military Medical Academy, Ankara, Turkey

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