14 research outputs found
Giant cervicothoracic extradural arachnoid cyst: case report
The pathogenesis, etiology, and treatment of the spinal arachnoid cyst have not been well established because of its rarity. A 57-year-old male was presented with spastic quadriparesis predominantly on the left side. His radiological examination showed widening of the cervical spinal canal and left neural foramina due to a cerebrospinal fluid - filled extradural cyst that extended from C2 to T2 level. The cyst was located left anterolaterally, compressing the spinal cord. Through a C4–T2 laminotomy, the cyst was excised totally and the dural defect was repaired. Several features of the reported case, such as cyst size, location, and clinical features make it extremely unusual. The case is discussed in light of the relevant literature
Primary cerebellopontine angle craniopharyngioma in a patient with Gardner syndrome
Craniopharyngiomas usually involve the sella and suprasellar space. Ectopic craniopharyngiomas have rarely been reported at the cerebellopontine angle (CPA). We report a rare primary craniopharyngioma of the CPA without extension into the sellar region. The lesion was initially detected by MRI during investigation of multiple scalp fibromas. Multiple osteomas of the skull and face were detected 2 years later, and colonic adenomatous polyposis was detected 4 years later; typical features of Gardner syndrome. This is the third report of a primary CPA craniopharyngioma in a patient with Gardner syndrome. (C) 2010 Elsevier Ltd. All rights reserved
Microsurgical training model for residents to approach to the orbit and the optic nerve in fresh cadaveric sheep cranium
Background: Neurosurgery and ophthalmology residents need many years to improve microsurgical skills. Laboratory training models are very important for developing surgical skills before clinical application of microsurgery. A simple simulation model is needed for residents to learn how to handle microsurgical instruments and to perform safe dissection of intracranial or intraorbital nerves, vessels, and other structures. Materials and Methods: The simulation material consists of a one-year-old fresh cadaveric sheep cranium. Two parts (Part 1 and Part 2) were designed to approach structures of the orbit. Part 1 consisted of a 2-step approach to dissect intraorbital structures, and Part 2 consisted of a 3-step approach to dissect the optic nerve intracranially. Results: The model simulates standard microsurgical techniques using a variety of approaches to structures in and around the orbit and the optic nerve. Conclusions: This laboratory training model enables trainees to gain experience with an operating microscope, microsurgical instruments and orbital structures
Vascular Silicone Injection of Fresh Cadaveric Cow Cranium: Alternative Training Model For The Human Brain
Conclusion: Silicone injection of the cadaveric cow brain, based on the anatomical and physiological assessment of the vasculature of the specimen for microanatomical studies, is suggested as an alternative to using human brain specimens
Laboratory Training in Bifrontal and Frontolateral Approaches Using Cadaveric Silicone-Injected Cow Craniums
Conclusion: The aim of this study was to develop an innovative model to create a life-like microneurosurgical training system. This model simulates bifrontal and frontolateral approaches performed on the human brain