Radiosurgery Response Weaker in Radiation-Induced Meningiomas
Personalized briefing
Discovery of the day · Neurology
Stereotactic Radiosurgery Outcomes for Radiation-Induced Meningiomas After Childhood Tinea Capitis Irradiation: A Comparative Study with Sporadic Meningiomas
Dear Kelly M Leyden, this is your personalized scientific intelligence briefing — curated for your work in Neurology.
Key finding
Medicine · Neuro-Oncology
Discovery of the day
This comparative study of 204 meningioma patients demonstrates that meningiomas arising after childhood scalp irradiation for tinea capitis exhibit a distinct, treatment-resistant phenotype with significantly reduced volumetric response to stereotactic radiosurgery compared to sporadic tumors. Among the 61 radiation-induced cases, patients were older, presented with multifocal disease in 73.8% of cases versus 11.9% in sporadic tumors, and showed a 38.7% relative volume change disadvantage on multivariable analysis (P = .026). These findings highlight the need for individualized management strategies and closer monitoring for this subgroup, reinforcing the importance of integrating treatment-response biomarkers with clinical and imaging data to optimize therapeutic decisions in neuro-oncology.
Novelty
92%
Rigor
85%
Significance
90%
Validity
83%
Clarity
80%
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