Background: Temporal neocortex which appears normal on magnetic resonance imaging (MRI) may have pathological tissues in low-grade gliomas (LGG) of pure mesial temporal area. Resection of the cortex may be required together with mesial temporal glioma for satisfactory seizure and oncological outcome. The aim of this study was to explore the presence of any pathological tissue on the temporal cortex that appeared normal on preoperative MRI in patients with pure mesial temporal LGGs. Methods: This prospective study included 10 patients who underwent surgical resection of temporal lobe for LGG of mesial temporal area. The temporal neocortex with normal appearance on MRI and mesial temporal area were resected separately, and histopathological diagnosis was performed. Results: LGGs of the mesial temporal area were diagnosed with glioneuronal tumors in 7 (70%) and low-grade astrocytoma in 2 (20%) patients. Regarding the temporal cortex, gliosis and focal cortical dysplasia were found in 7 (70%) and 2 (20%) patients. In one patient temporal cortex did not contain any pathological tissue. All were seizure-free and no tumor recurrence was noted at the last follow-up. Conclusion: Mesial temporal LGGs are not alone and a high proportion of temporal neocortex appeared normal on preoperative MRI, may contain dual pathology. Thus, anterior temporal resection should be performed to have satisfactory seizure and oncological outcomes.

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Background: High-grade gliomas have limited time of survival despite aggressive treatment. Patients experience a decline in their physical and mental capacities, affecting their quality of life (QoL), and require proper therapeutic strategies. Objective: To assess the QoL of malignant glioma patients before and after the treatment in a longitudinal study of six months. Methods and Material: Forty-nine patients who were pathologically diagnosed with glioblastoma and anaplastic glioma according to WHO 2016 were included in this prospective study. The assessment of quality of life was done using the European Organization for Research and Treatment of Cancer (EORTC) quality of life (QoL) questionnaire core-30 prior to surgery, 1 and 5 months after the operation. Results: The decline in Karnofsky scores of the patients was statistically significant. Among the symptom scales, fatigue was more prominent after surgery while pain was noticeable during chemotherapy which was correlated with increased age. The mean overall QoL scores showed a clinically significant decline during the postoperative period. The functional scores demonstrated a significant decline in between all periods. Sex was significantly correlated with preoperative emotional and physical functioning. The patients with right-sided lesions had higher mean scores for social and cognitive functioning. Conclusions: Low KPS, older age, and female gender may affect cancer symptoms and physical and social activities in malignant glioma patients. Cognitive functions as well as social and occupational roles gradually decline during the first six months of treatments. Overall QoL of high-grade glioma patients deteriorates especially after radiotherapy and during the first months of chemotherapy.

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