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Stereotactic radiosurgery for asymptomatic petroclival region meningiomas: a focused analysis from the IMPASSE study

G. Mantziaris, S. Pikis, A. Bunevicius, S. Peker, Y. Samanci, AM. Nabeel, WA. Reda, SR. Tawadros, AMN. El-Shehaby, K. Abdelkarim, RM. Emad, V. Delabar, D. Mathieu, CC. Lee, HC. Yang, R. Liscak, J. Hanuska, RM. Alvarez, NM. Moreno, M. Tripathi, H....

. 2022 ; 164 (1) : 273-279. [pub] 20211112

Jazyk angličtina Země Rakousko

Typ dokumentu časopisecké články, multicentrická studie

Perzistentní odkaz   https://www.medvik.cz/link/bmc22011410

BACKGROUND: The optimal management of asymptomatic, petroclival meningiomas remains incompletely defined. The purpose of this study was to evaluate the safety and efficacy of upfront stereotactic radiosurgery (SRS) for patients with asymptomatic, petroclival region meningiomas. METHODS: This retrospective, international, multicenter study involved patients treated with SRS for an asymptomatic, petroclival region meningioma. Study endpoints included local tumor control rate, procedural complications, and the emergence of new neurological deficits. RESULTS: There were 72 patients (22 males, mean age 59.53 years (SD ± 11.9)) with an asymptomatic meningioma located in the petroclival region who were treated with upfront SRS. Mean margin dose and maximum dose were 13.26 (SD ± 2.72) Gy and 26.14 (SD ± 6.75) Gy respectively. Median radiological and clinical follow-up periods post-SRS were 52.5 (IQR 61.75) and 47.5 months (IQR 69.75) respectively. At last follow-up, tumor control was achieved in all patients. SRS-related complications occurred in 6 (8.33%) patients, with 3 of them (4.17%) exhibiting new neurological deficits. CONCLUSIONS: Upfront SRS for asymptomatic, petroclival region meningiomas affords excellent local tumor control and does so with a relatively low risk of SRS-related complications. SRS can be considered at diagnosis of an asymptomatic petroclival region meningioma. If active surveillance is initially chosen, SRS should be recommended when growth is noted during radiological follow-up.

Citace poskytuje Crossref.org

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$a BACKGROUND: The optimal management of asymptomatic, petroclival meningiomas remains incompletely defined. The purpose of this study was to evaluate the safety and efficacy of upfront stereotactic radiosurgery (SRS) for patients with asymptomatic, petroclival region meningiomas. METHODS: This retrospective, international, multicenter study involved patients treated with SRS for an asymptomatic, petroclival region meningioma. Study endpoints included local tumor control rate, procedural complications, and the emergence of new neurological deficits. RESULTS: There were 72 patients (22 males, mean age 59.53 years (SD ± 11.9)) with an asymptomatic meningioma located in the petroclival region who were treated with upfront SRS. Mean margin dose and maximum dose were 13.26 (SD ± 2.72) Gy and 26.14 (SD ± 6.75) Gy respectively. Median radiological and clinical follow-up periods post-SRS were 52.5 (IQR 61.75) and 47.5 months (IQR 69.75) respectively. At last follow-up, tumor control was achieved in all patients. SRS-related complications occurred in 6 (8.33%) patients, with 3 of them (4.17%) exhibiting new neurological deficits. CONCLUSIONS: Upfront SRS for asymptomatic, petroclival region meningiomas affords excellent local tumor control and does so with a relatively low risk of SRS-related complications. SRS can be considered at diagnosis of an asymptomatic petroclival region meningioma. If active surveillance is initially chosen, SRS should be recommended when growth is noted during radiological follow-up.
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$a Pikis, Stylianos $u Department of Neurological Surgery, University of Virginia, Charlottesville, VA, 22908, USA
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$a Bunevicius, Adomas $u Department of Neurological Surgery, University of Virginia, Charlottesville, VA, 22908, USA
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$a Peker, Selcuk $u Department of Neurosurgery, Koc University School of Medicine, Istanbul, Turkey
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$a Samanci, Yavuz $u Department of Neurosurgery, Koc University School of Medicine, Istanbul, Turkey
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$a Lee, Cheng-Chia $u Department of Neurosurgery, School of Medicine, Neurological Institute, Taipei Veteran General Hospital, Taipei, Taiwan $u National Yang-Ming University, Taipei, Taiwan
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$a Liscak, Roman $u Department of Radiation and Stereotactic Neurosurgery, Na Homolce Hospital, Prague, Czech Republic
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