Endoscopic management of periventricular and intraventricular arachnoid cysts

Author:

Fayed Ahmed Abdel Aziz,Ibrahim Tamer,Rayan Tarek

Abstract

Abstract Introduction The most successful surgical management of periventricular and intraventricular cysts is still a matter of debate. Up to the early 1990s, open cyst fenestration and cystoperitoneal shunts were the only options available. Recently, different endoscopic approaches to these lesions have gained popularity. Methods Eighteen endoscopic procedures were performed for the treatment of arachnoid cysts in 18 patients. Sylvian fissure arachnoid cysts were excluded from this study. Ten of them were females and eight were males with their ages ranging from 6 months to 50 years with a mean of 16 years. All patients were prospectively observed. Results Seven of the arachnoid cysts were in the suprasellar region, 5 in the quadrigeminal region, 2 in the posterior fossa, 2 parietal, and 2 intraventricular. Seventeen cases (94%) had hydrocephalus. The main presenting manifestations were those of increased intracranial pressure. All fenestrations were done in the lateral ventricle except for the 2 cases with posterior fossa arachnoid cysts, the fenestrations were done to the fourth ventricle. Endoscopic ventriculocytostomies (VC) were performed in 14 cases without operative complications and no stents were placed. Endoscopic cystocisternostomies (C) were done in all suprasellar cases. Endoscopic cystoventriculostomies (CV) were done in 4 cases. The mean surgical time was 1 h. The mean follow-up period was 15 months. Symptoms improved in 17 cases. Seventeen cases demonstrated a significant decrease of the cysts’ size in the postoperative computed tomography (CT) and magnetic resonance imaging (MRI). A single case developed a complication in the form of subdural hygroma which required no intervention and was managed conservatively. Conclusion Endoscopic management of periventricular and intraventricular arachnoid cysts is a useful safe option in the management of arachnoid cysts related to the ventricular system.

Publisher

Springer Science and Business Media LLC

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