Intracranial arachnoid cyst (review of ۲۰ cases)
Publish place: Iranian Journal of Otorhinolaryngology، Vol: 20، Issue: 52
Publish Year: 1387
نوع سند: مقاله ژورنالی
زبان: English
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شناسه ملی سند علمی:
JR_IJOTO-20-52_006
تاریخ نمایه سازی: 28 مرداد 1402
Abstract:
Introduction: The purpose of this study is to evaluate the distribution, clinical features, and treatment modalities of arachnoid cyst in our department. The study was carried out between April ۱, ۱۹۹۶ and October ۱, ۲۰۰۶ at the neurosurgery department, Ghaem hospital, Mashhad university of medical sciences. Material and Methods: Twenty patients with arachnoid cyst underwent surgery between April ۱, ۱۹۹۶ until October ۱, ۲۰۰۶, consisting of ۱۲ males and ۸ females ranging in age ۵ to ۶۸ years (mean age ۳۲.۴ years). Twelve patients underwent surgery and one patient underwent endoscopic fenestration, and cystoperitoneal shunting (medium pressure) was performed in ۷ patients. All patients were followed for minimum of ۶ months after surgery. Results: During the study period, ۲۰ patients were investigated. The cysts had strong predilection for the middle cranial fossa in ۱۲ patients (۶۰%), suprasellar region in ۱ patient (۵%), the cerebral convexity in ۱ patient (۵%), posterior cranial fossa in ۲ patients (۱۰%), cerebellopontine angle in ۳ patients (۱۵%), quadrigeminal cisterns in ۱ patient (۵%). All of ۲۰ cysts had clearly unilateral distribution, ۱۲ (۶۰%) were located on the left side and ۸ (۴۰%) on the right side. The most common symptoms on presentation were epileptic seizures (۴۶%), increased intracranial pressure (۳۴%), visual impairment (۵%), headache (۱۰%), cerebellar sign (۵%). Conclusion: Arachnoid cysts have a strong predilection for the middle cranial fossa that may be explained by a meningeal maldevelopment theory. We also conclude that the major indication for surgery in patients with arachnoid cyst is the presence of intractable seizures, increased intracranial pressure, and compression of neuronal tissues. Headache only is not a surgical indication.
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Authors
Alireza Birjandi
ProfessoNeurosurgery department, Ghaem hospital, Mashhad university of medical sciences, Iran
Hamidreza Etemadrezaee
Associated Professor, Neurosurgery department, Ghaem hospital, Mashhad university of medical sciences, Iran
Fariborz Samini
Associated Professor, Neurosurgery department, Ghaem hospital, Mashhad university of medical sciences, Iran