Case series report of LINAC-based Stereotactic radiosurgery of Intracranial meningioma – an institutional experience

IF 0.3 4区 医学 Q4 ENGINEERING, BIOMEDICAL IEEE Pulse Pub Date : 2023-06-14 DOI:10.3329/pulse.v14i1-3.66900
T. Yasmin, Narendra Kumar, M. Appasamy, S. Ahsan, KM Masud Rana, R. Kumar, A. Joarder, Z. Rahman, B. Bhattacharjee, Taslima Afrin, Arman Reza Chowdhury
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Abstract

Stereotactic radiosurgery (SRS) has been widely used for the treatment of intracranial lesions. We have been doing SRS since March 2019. The unique ability of SRS to deliver higher focused dose to the smaller targets preferably in a single exposure in a convenient manner while sparing adjacent critical structures has made a more widely adopted treatment option. This case series is intended to show our institutional experience and procedural technique adapted for treating intracranial meningioma using SRS by Linear accelerators. We present five cases of intracranial meningioma. Four had Grade I meningioma and one patient with Grade III meningioma. One patient had radiological diagnosis only and treated with SRS. Two patients underwent gross total resection and SRS was prescribed on the event of recurrence. Rest two patients had recurrence/progression after subtotal resection and adjuvant radiation. The dose prescription ranged from 13 to 21Gy in one to three fractions which was determined by tumor volume, location, grade, proximity to critical structures, pre-existing neurologic impairment, previous treatment history, time to progression/relapse and the ideal balance of prescription dosage and expected problems. There were no acute side effects from any of the procedures. All five patients had improvement in clinical symptoms in the immediate post-SRS period. One patient who has two-year post-SRS revealed a significant regression in the size of the tumor. This case series summarizes the fact that SRS for intracranial meningioma is safe and effective treatment strategy when appropriate. Pulse Volume 12-14 2020-2022 p.40-52
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基于linac的立体定向放射治疗颅内脑膜瘤的病例系列报告——一种机构经验
立体定向放射外科(SRS)已广泛应用于颅内病变的治疗。我们从2019年3月开始做SRS。SRS的独特能力,最好是在单次照射中以方便的方式向较小的目标提供更高的聚焦剂量,同时不影响邻近的关键结构,这使其成为更广泛采用的治疗选择。本病例系列旨在展示我们的机构经验和适用于使用线性加速器的SRS治疗颅内脑膜瘤的程序技术。我们报告5例颅内脑膜瘤。4例为一级脑膜瘤,1例为三级脑膜瘤。1例患者仅行影像学诊断并接受SRS治疗。2例患者行大体全切除,复发时给予SRS治疗。其余2例患者在次全切除和辅助放疗后出现复发/进展。剂量处方由肿瘤体积、位置、分级、与关键结构的接近程度、既往神经功能损害、既往治疗史、进展/复发时间以及处方剂量与预期问题的理想平衡决定,剂量处方范围为13至21Gy,分为一至三部分。所有的手术都没有急性副作用。5例患者均在srs后立即出现临床症状改善。一名接受两年srs治疗的患者发现肿瘤大小明显缩小。本病例总结了SRS治疗颅内脑膜瘤在适当的情况下是安全有效的治疗策略。脉冲体积12-14 2020-2022 p.40-52
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来源期刊
IEEE Pulse
IEEE Pulse ENGINEERING, BIOMEDICAL-
CiteScore
1.10
自引率
0.00%
发文量
88
审稿时长
6-12 weeks
期刊介绍: IEEE Pulse covers both general and technical articles on current technologies and methods used in biomedical and clinical engineering; societal implications of medical technologies; current news items; book reviews; patent descriptions; and correspondence. Special interest departments, students, law, clinical engineering, ethics, new products, society news, historical features and government.
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