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Year : 2021  |  Volume : 69  |  Issue : 6  |  Page : 1682--1687

Predictive Factors of Postoperative Peritumoral Brain Edema after Meningioma Resection

1 Department of Neurosurgery, Zhongshan City People's Hospital, Zhongshan, Guangdong, China
2 Department of Pediatric Neurosurgery, Beijing Tiantan Hospital, Capital Medical University, Beijing, China
3 Department of Pathology, Zhongshan City People's Hospital, Zhongshan, Guangdong, China

Correspondence Address:
Dr. Jian Gong
Department of Pediatric Neurosurgery, Beijing Tiantan Hospital, Capital Medical University, Beijing
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Source of Support: None, Conflict of Interest: None

DOI: 10.4103/0028-3886.333500

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Background: Postoperative peritumoral brain edema (PTBE) is the progressively exacerbating cerebral edema following meningiomas resection. Objective: The study aims to identify the predictive factors of postoperative PTBE. Materials and Methods: A retrospective study was conducted on the 117 cases of patients who underwent meningioma. The histopathological features of the tumors were re-assessed according to WHO 2016 classification. Clinical and pathohistological features were analyzed. Results: Thirteen patients (11.1%) were diagnosed having postoperative PTBE. Preoperative seizure (odds ratio [OR] = 6.125, P = 0.039) and histological prominent nucleoli (OR = 3.943, P = 0.039) were the independent risk factors for postoperative PTBE. Meningiomas with a parietal localization were more likely to develop postoperative PTBE (OR = 3.576, P = 0.054). Brain invasion and large tumor volume did not increase complication rate. Preoperative edema index was significantly higher in brain invasive meningiomas (3.0 ± 2.2 versus 1.8 ± 1.7, P = 0.001). Patients having moderate preoperative PTBE were prone to the complication (21.4% versus 7.9%, P = 0.100). Conclusions: Preoperative seizure were the predictive factors for postoperative PTBE. Careful venous protection during the operation may be helpful, especially for tumors locating in the parietal lobe. Prominent nucleoli observed in postoperative pathology should warrant surgeons' attention. Comprehensive perioperative management is essential for these patients.


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