Maziar Azar

Learn More
Craniopharyngioma is a non-glial, non-malignant intracranial tumor of ectodermal origin, which arises from a remnant of Rathke's pouch. This tumor accounts for 5.6 to 13% of intracranial tumors in children. This paper discusses a case of craniopharyngioma in a five-year-old boy. An MRI scan of his brain showed a huge sella and supra sella cystic-solid(More)
BACKGROUND This study compared Gamma knife radiosurgery (GKRS) and repeated transsphenoidal adenomectomy (TSA) to find the best approach for recurrence of Cushing disease (CD) after unsuccessful first TSA. MATERIAL AND METHODS Fifty-two patients with relapse of CD after TSA were enrolled and randomly underwent a second surgery or GKRS as the next(More)
Background: Neuroendoscopic system is the best choice for detection and assessment of intracranial cysts and intraventricular tumors and cysts. There are some reasons and features for neuroendoscopy to be the number-one option for these dysfunctions such as entrapment of cerebrospinal fluid (CSF) inside the arachnoid cysts, location of intraventricular(More)
Solitary primary melanocytic tumors of the central nervous system (CNS) are consisted of a variety of lesions ranging from well-differentiated melanocytoma to melanoma. These primary intracranial melanomas are rare tumors derived from the melanocytic element normally present in the leptomeninges [1]. These tumors may sometimes be associated with cutaneous(More)
BACKGROUND Treatment of cavernomas remains a challenge in surgically inaccessible regions. The purpose of this study was to evaluate outcomes after gamma-knife surgery (GKS) for these patients. MATERIALS AND METHODS A retrospective review of 100 patients treated between 2003 and 2011 was conducted in order to evaluate hemorrhage rates, complications,(More)
Background: The Gamma Knife Radiosurgery (GKR) is an established management option for Cerebral Arteriovenous Malformations (AVMS). Therapeutic benefits of radiosurgery for arteriovenous malformations are complete obliteration of nidus with minimal neurological deficit. Methods: Radiosurgery was performed between February 2003 and April 2010 at Kamraniye(More)
Background: Correction of severe kyphosis is a challenging operation in spinal surgery. A two stage operation has been commonly used: anterior release and decompression followed by posterior correction and fusion. We describe the posterior vertebral osteotomy technique for correction of severe and rigid kyphosis through posterior-only approach. Methods:(More)
OBJECTIVE The aims of this study were to characterize the epidemiologic, histologic, and radiologic aspects of sphenopetroclival meningiomas (SpPCMs) and to evaluate the outcome of Gamma Knife radiosurgery (GKRS) either as an adjunct to microsurgery or as a primary SpPCM treatment modality. METHODS In this retrospective study, medical records of patients(More)
BACKGROUND This study was aimed to explore data on brain metastases in cancer patients attending the Iranian Gamma Knife Center. METERIALS AND METHODS This was a retrospective study. In all 5216 case records of patients who referred to the Iranian Gamma Knife Center for treatment of brain tumors during year 2003-2011 were reviewed. Data were explored to(More)
OBJECTIVES The outcomes of Gamma Knife radiosurgery (GKRS) for cavernous sinus meningioma (CSM) are presented, and factors possibly affecting outcome are investigated. METHODS The medical records and imaging and procedural reports of 166 patients with CSM were retrospectively reviewed. Demographic data, procedural data, symptomatic improvement,(More)