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Posterior fossa arachnoid cysts
British Journal of Neurosurgery, 1999 Arachnoid cysts of the posterior fossa are rare lesions that are considered to be mostly congenital in origin. In this article, we retrospectively review 12 patients who underwent surgical treatment for their symptomatic posterior fossa arachnoid cysts ...
Pamir Erdinçler, Mehmet Yaşar Kaynar
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Posterior fossa hemangioblastomas
Surgical Neurology, 1986The authors report 40 personal cases of infratentorial hemangioblastomas and review 36 series from the literature for a total number of 1023 patients. The clinical, pathological, and surgical features of these tumors are discussed, with particular consideration of localizations outside the nervous system, multicentric tumors, recurrences, and long-term
Constans J. P. +5 more
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Neuroimaging Clinics of North America, 2019
This article discusses the normal anatomy of the posterior fossa structures followed by a discussion of the characteristic neuroimaging features of a variety of cerebellar and brainstem malformations. In this context, the authors classify posterior fossa malformations based on the neuroimaging pattern into (1) predominantly cerebellar, (2) cerebellar ...
Mariasavina, Severino +1 more
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This article discusses the normal anatomy of the posterior fossa structures followed by a discussion of the characteristic neuroimaging features of a variety of cerebellar and brainstem malformations. In this context, the authors classify posterior fossa malformations based on the neuroimaging pattern into (1) predominantly cerebellar, (2) cerebellar ...
Mariasavina, Severino +1 more
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Posterior fossa measurements II. Size of the posterior fossa in myelomeningocele
Pediatric Radiology, 1978In seven myelomeningocele patients, six were operated upon while in one severe case no surgery was performed. The posterior fossa areas were measured and expressed by the posterior fossa ratio method. In two shunted patients both ratios were primarily below the lowest normal limit, but following shunt operation the ratios become normal.
K G, Krogness, H, Nyland
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Seminars in Ultrasound, CT and MRI, 2011
Understanding embryologic development of the cerebellum and the 4th ventricle is essential for understanding posterior fossa malformations. Posterior fossa malformations can be conveniently classified into those that have a large posterior fossa and those with normal or small posterior fossa.
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Understanding embryologic development of the cerebellum and the 4th ventricle is essential for understanding posterior fossa malformations. Posterior fossa malformations can be conveniently classified into those that have a large posterior fossa and those with normal or small posterior fossa.
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Arachnoid Cysts of the Posterior Fossa
Neurosurgery, 1986Abstract Arachnoid cysts of the posterior fossa are an uncommon clinical entity. The two cases presented in this review were evaluated without vertebral angiography. We think that the development of magnetic resonance imaging may obviate the need for angiography in selected cases.
J P, Rock +3 more
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Neurosurgery Clinics of North America, 1992
Cerebellar and fourth ventricle tumors are usually associated with hydrocephalus, which is now treated with ventriculostomy and tumor removal so that permanent shunts are needed in only one third of children. Complete removals decrease the recurrence rate of cerebellar astrocytomas and ependymomas.
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Cerebellar and fourth ventricle tumors are usually associated with hydrocephalus, which is now treated with ventriculostomy and tumor removal so that permanent shunts are needed in only one third of children. Complete removals decrease the recurrence rate of cerebellar astrocytomas and ependymomas.
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DeckerMed Anesthesiology, 2019
The posterior fossa houses essential brainstem nuclei, cranial nerves, cerebral vasculature, and mechanisms for cerebrospinal fluid drainage. Anesthetic considerations for posterior fossa surgery include thorough preoperative evaluation, intraoperative monitoring, and anesthetic planning to allow neurophysiological monitoring.
Penny P. Liu, Talia S. Vogel
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The posterior fossa houses essential brainstem nuclei, cranial nerves, cerebral vasculature, and mechanisms for cerebrospinal fluid drainage. Anesthetic considerations for posterior fossa surgery include thorough preoperative evaluation, intraoperative monitoring, and anesthetic planning to allow neurophysiological monitoring.
Penny P. Liu, Talia S. Vogel
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1997
Transient mutism is a well-recognized sequela of posterior fossa tumor resection in children. A recent review from our institution indicated that 12 of 142 children undergoing such procedures (8.5%) exhibited transient speech impairment, the largest series of such patients reported to date.
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Transient mutism is a well-recognized sequela of posterior fossa tumor resection in children. A recent review from our institution indicated that 12 of 142 children undergoing such procedures (8.5%) exhibited transient speech impairment, the largest series of such patients reported to date.
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Posterior fossa epidermoid cysts
Acta Neurochirurgica, 1987The authors present their clinical and surgical experience with 18 posterior fossa cholesteatomas, including three cases with atypical CT scan appearances that corresponded to calcification, haemorrhage or malignant change into an epidermoid carcinoma, respectively.
J, Salazar +3 more
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