Yapay Zeka Hızlı Bakış & Çıkarımlar
AI InsightIn our study, the resection grade was identified as one of the most important factors affecting the prognosis.
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Özet
Introduction: Meningiomas are the most common brain tumors and account for 13%–26% of intracranial tumors. Approximately, 5%–7% of the meningiomas are termed as atypical meningiomas. The prognosis in patients with benign meningioma (Grade I) is generally very favorable. The outcome for patients with atypical meningioma is progression that is rapid and more invasive. Methods: We retrospectively analyzed 35 patients with atypical meningiomas who underwent surgery. Patients’ age at diagnosis, gender, tumor location, Simpson grade, local tumor recurrence, and treatment with radiation therapy were evaluated. Results: Patients were aged 29–54 (mean±standard deviation: 54.6±12.1) years; 18 were females and 17 males. The recurrence rate was 6/35 (17.1%). Recurrence was found two times more in females. The parasagittal location of the tumor was most common in 66.6% cases. One-half of the patients did not receive adjuvant radiotherapy (RT). Patients characterized with Simpson Grade I showed lower recurrence rate compared to Grade III. Discussion and Conclusion: Atypical meningioma recurs more frequently than Grade I lesions. The current management of atypical meningioma is maximal safe resection of tumor followed by adjuvant RT. Adjuvant RT following surgical resection is recommended particularly for incompletely excised tumors or tumors located in the parasagittal area or posterior fossa. In our study, the resection grade was identified as one of the most important factors affecting the prognosis.