Surg Neurol
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Subdural fluid collections appear in about 39% of patients after the removal of intra- and paraventricular tumors. This extracerebral fluid collection requires surgical intervention when progressive fluid accumulation takes place. The authors retrospectively and prospectively studied the efficacy of gelfoam and fibrin adhesive in closing cortical and ependymal defects after intraventricular and/or paraventricular lesion resection to prevent the development of SFCs. ⋯ The use of gelfoam and fibrin adhesive to seal cortical and ependymal defects after a transcortical procedure might be a viable method of preventing the development of SFC.