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Nakamura M, Umekawa M, Shinya Y, Hasegawa H, Katano A, Saito N. A single-session stereotactic radiosurgery for vagal paraganglioma: Effective tumor reduction and innovative treatment option. Surg Neurol Int 2024; 15:314. [PMID: 39246786 PMCID: PMC11380896 DOI: 10.25259/sni_443_2024] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/08/2024] [Accepted: 08/05/2024] [Indexed: 09/10/2024] Open
Abstract
Background Vagal paragangliomas (VPs) are rare tumors in the upper cervical region. Although surgical resection is the standard treatment for these tumors, it carries significant risks due to the tumor's high vascularity and proximity to vital structures. Stereotactic radiosurgery (SRS) for skull base paraganglioma could be a minimally invasive alternative. Case Description We report the case of a 47-year-old man with a large, asymptomatic VP who was successfully treated with SRS with Gamma Knife Icon, which was performed in the parapharyngeal space (volume: 25.7 mL) using a marginal dose of 14 Gy to the 45% isodose line. This case illustrates the successful treatment of a lesion near the conventional limits (lower limit of C2 vertebral body) using noninvasive mask fixation. Excellent tumor control without neurological deficits was achieved for 25 months after SRS. The tumor volume decreased by 70% (final volume: 7.6 mL). Conclusion This study demonstrates the utility of Gamma Knife Icon, which facilitates optimal SRS for upper cervical lesions, including VPs.
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Affiliation(s)
- Masayuki Nakamura
- Department of Neurosurgery, The University of Tokyo, Bunkyo-ku, Japan
| | - Motoyuki Umekawa
- Department of Neurosurgery, The University of Tokyo, Bunkyo-ku, Japan
| | - Yuki Shinya
- Department of Neurosurgery, The University of Tokyo, Bunkyo-ku, Japan
| | - Hirotaka Hasegawa
- Department of Neurosurgery, The University of Tokyo, Bunkyo-ku, Japan
| | - Atsuto Katano
- Department of Radiology, The University of Tokyo, Bunkyo-ku, Japan
| | - Nobuhito Saito
- Department of Neurosurgery, The University of Tokyo, Bunkyo-ku, Japan
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Ehret F, Ebner DK, McComas KN, Gogineni E, Andraos T, Kim M, Lo S, Schulder M, Redmond KJ, Muacevic A, Shih HA, Kresl J. The Radiosurgery Society Case-Based Discussion of the Management of Head and Neck or Skull Base Paragangliomas with Stereotactic Radiosurgery and Radiotherapy. Pract Radiat Oncol 2024; 14:225-233. [PMID: 38237891 DOI: 10.1016/j.prro.2023.12.011] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/11/2023] [Revised: 12/02/2023] [Accepted: 12/04/2023] [Indexed: 02/17/2024]
Abstract
Stereotactic radiosurgery (SRS) and fractionated stereotactic radiotherapy (FSRT) have been used for the treatment of head and neck or skull base paraganglioma for a considerable time, demonstrating promising local control rates and a favorable safety profile compared with surgical approaches. Nevertheless, the choice of treatment must be carefully tailored to each patient's preferences, tumor location, and size, as well as anticipated treatment-related morbidity. This case-based review serves as a practical and concise guide for the use of SRS and FSRT in the management of head and neck or skull base paragangliomas, providing information on the diagnosis, treatment, follow-up considerations, and potential pitfalls.
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Affiliation(s)
- Felix Ehret
- Charité - Universitätsmedizin Berlin, Corporate Member of Freie Universität Berlin and Humboldt-Universität zu Berlin, Department of Radiation Oncology, Berlin, Germany; Charité - Universitätsmedizin Berlin, Berlin, Germany; German Cancer Consortium (DKTK), partner site Berlin, and German Cancer Research Center (DKFZ), Heidelberg, Germany; European Radiosurgery Center Munich, Munich, Germany.
| | - Daniel K Ebner
- Department of Radiation Oncology, Mayo Clinic, Rochester, Minnesota
| | - Kyra N McComas
- Department of Radiation Oncology, Vanderbilt University Medical Center, Nashville, Tennessee
| | - Emile Gogineni
- Department of Radiation Oncology, The Ohio State University Wexner Medical Center, Columbus, Ohio
| | - Therese Andraos
- Department of Radiation Oncology, The Ohio State University Wexner Medical Center, Columbus, Ohio
| | - Minsun Kim
- Department of Radiation Oncology, University of Washington School of Medicine, Seattle, Washington
| | - Simon Lo
- Department of Radiation Oncology, University of Washington School of Medicine, Seattle, Washington
| | - Michael Schulder
- Department of Neurosurgery, Zucker School of Medicine at Hofstra/Northwell, New York, New York
| | - Kristin J Redmond
- Department of Radiation Oncology and Molecular Radiation Sciences, Johns Hopkins University, Baltimore, Maryland
| | | | - Helen A Shih
- Department of Radiation Oncology, Massachusetts General Hospital and Harvard Medical School, Boston, Massachusetts
| | - John Kresl
- Radiation Oncology and Radiosurgery, Phoenix CyberKnife & Radiation Oncology Center, Phoenix, Arizona
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