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How safe and effective is irradiating radiation-induced meningiomas? Single-center experience in primary and salvage Gamma-Knife Radiosurgery, systematic review, and metanalysis of current evidence on the topic.
Crit Rev Oncol Hematol
December 2024
IRCCS San Raffaele Scientific Institute, Department of Neurosurgery and Gamma Knife Radiosurgery, Milan 20132, Italy.
Article Synopsis
- This study looked at the safety and effectiveness of a treatment called Gamma-knife stereotactic radiosurgery (SRS-GK) for a type of brain tumor called radiation-induced meningiomas (RIMs) at a hospital in Italy.
- They included data from 13 patients and found that 26% improved, while 52% stayed the same and 22% got worse, with a good control rate over 5 years.
- In a bigger analysis, including 146 patients, the overall success rate was high, but some patients experienced side effects like swelling, showing that while SRS-GK works well, there can be risks involved.
Case report: Low-dose radiation-induced meningioma with a short latency period.
Front Oncol
July 2024
Department of Neurosurgery, Zibo Central Hospital, Zibo, China.
Patients with radiation-induced meningioma (RIM), most of whom had received head radiation therapy or had been exposed to ionizing radiation during childhood or adolescence, are at risk of developing cranial meningiomas throughout their lifetimes because of the long latency period. Although intermediate-to-high-dose ionizing radiation exposure is an established risk factor for RIM, risk factors for low-dose RIM remain incompletely defined. This study presents the case of a 56-year-old woman diagnosed with radiation-induced giant meningioma 2.
View Article and Find Full Text PDFGenetic characterization and mutational profiling of foramen magnum meningiomas: a multi-institutional study.
J Neurosurg
July 2024
2Department of Neurosurgery, Division of Neuro-Oncology, Faculty of Medicine and Carl Gustav Carus University Hospital, Technische Universität Dresden, Germany.
Article Synopsis
- The study investigates the distribution of clinically actionable mutations in foramen magnum (FM) meningiomas, which are challenging to surgically treat and have high risks associated with them.
- Targeted next-generation sequencing was performed on 62 FM meningiomas, excluding those related to radiation or neurofibromatosis type 2, and various patient and tumor characteristics were evaluated.
- Results showed that 93.5% of tumors had significant driver mutations, with TRAF7 and AKT1E17K being the most common, and their mutations were linked to specific tumor locations relative to the brainstem.
Stereotactic radiotherapy of radiation-induced meningioma previously irradiated retrobulbar for Graves' ophthalmopathy: A case report.
Radiol Case Rep
March 2024
Department of Neurosurgery, Kobe University Graduate School of Medicine, Kobe, Japan.
A 69-year-old woman was diagnosed with an asymptomatic intracranial tumor nine years ago and has been followed with annual MR imaging studies. Two years ago, the tumor had grown in size, requiring treatment. She experienced ophthalmopathy due to hyperthyroidism 27 years ago and was treated with 20 Gy in 10 fractions using parallel opposed beams to her bilateral posterior eyeballs, supplemented with steroid pulse therapy.
View Article and Find Full Text PDFReconstruction of Moderately and Severely Atrophic Scalp-A Multicentric Experience in Surgical Treatment of Patients Irradiated for Tinea Capitis in Childhood and Surgical Algorithm.
Medicina (Kaunas)
September 2023
Clinic for Burns, Plastic and Reconstructive Surgery, University Clinical Center of Serbia, 11000 Belgrade, Serbia.
: Before the introduction of griseofluvin, the use of X-ray radiation was the treatment of choice for tinea capitis. More than half a century later various types of tumors have been found to be associated with childhood irradiation due to tinea capitis, most commonly cancers of the head and neck, as well as brain tumors. The often unusually aggressive and recurrent nature of these tumors necessitates the need for repeated surgeries, while the atrophic skin with an impaired vascular supply due to radiation often poses an additional challenge for defect reconstruction.
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