نتایج جستجو برای: spinal cord tumor

تعداد نتایج: 564042  

2002
ERIC MARMOR ZIYA L. GOKASLAN Victor Horsley

The first successful resection of a spinal cord tumor was performed by Victor Horsley in 1887 (Stein and McCormick, 1996). The diagnosis and treatment of intramedullary spinal cord tumors was first described in detail by Elsberg in 1925 (Stein and McCormick, 1996), and Greenwood reported the first large modern series in 1967. Since then, numerous radiographic, microsurgical, and electrophysiolo...

Journal: :Neurosurgical focus 2014
Paul C McCormick

Spinal cord hemangioblastomas account for about 10% of spinal cord tumors. They usually arise from the dorsolateral pia mater and are characterized by their significant vascularity. The principles and techniques of safe resection are different than those employed for the more commonly occurring intramedullary glial tumors (e.g. ependymoma, astrocytoma) and consist of circumferential detachment ...

2009
Armin Stoll Kristina Giske Eva M. Stoiber Rolf Bendl

A monomodal slice-based displacement analysis of the spinal cord for three-dimensional computer tomography imaging in radiation therapy planning is presented. In total, 21 head and neck cases with tumor indications close to the spinal cord are studied and evaluated. Two-dimensional cross-correlation is applied to propagate manually segmented contours of the spinal cord from a high-resolution pl...

2008
Jae Yoon Chung Jae Joon Lee Hyun Jong Kim Hyung Yeon Seo

STUDY DESIGN Retrospective study MR images for spinal cord tumors. PURPOSE To analyze the characteristics of MR images for spinal cord tumors, which were then verified at surgery or biopsy. OVERVIEW OF LITERATURE MR images are often used as the primary diagnostic imaging tool and the preoperative study of choice. The need for biopsy may be obviated because of increasingly accurate preoperat...

Journal: :The Turkish journal of pediatrics 2016
İlknur Erol Murat Özkale Tülin Savaş Özlem Alkan Melih Çekinmez Ayşe Erbay

Neuromyelitis optica (NMO) is an autoimmune disorder of the central nervous system, that predominantly affects the spinal cord and the optic nerve. Its key features include transverse myelitis, commonly associated with extensive inflammation spanning three or more consecutive vertebral segments. Longitudinal extensive spinal cord lesions can also occur in systemic autoimmune diseases, infection...

2018
Kasey Jackson Sameer Lapsia Michael Strunc Gary Tye

A previously healthy male presented at age 5 years with recurrent abdominal pain that occurred diffusely. The pain was severe enough to cause episodic screaming, especially at night with spontaneous resolution. The patient was initially treated for constipation but when motor symptoms began to develop, imaging revealed the cause of his pain to be a spinal cord mass. The tumor was treated with s...

H Rehani-Kermani M.A Ramezani

Traumatic spinal cord injury is one of the important causes of disability.in some of vertebral fractures,spinal canal is deformed and compromised.the relationship between the shape of the cervical canal and spinal cord hnjury has been proved but such a correlation for thoraculombar spine 50 patients with compromised canal(cases) and 50 oatients with intact canal were evaluated in the light of s...

Journal: :AJR. American journal of roentgenology 1985
B C Lee R D Zimmerman J J Manning M D Deck

The relative effectiveness of plain computed tomography (CT), metrizamide CT, conventional myelography, and magnetic resonance (MR) imaging was compared for the examination of cystic spinal cord lesions. Intramedullary cavities in 18 patients were demonstrated by MR imaging: cavities were uncomplicated in 13 patients, associated with spinal tumors in two, and studied after occipital craniectomy...

2012
Dong-Woo Yu Joon-Hyuk Choi Eun-Sil Lee Seong-Ho Kim

Tumors of the central nervous system are common in the pediatric population and constitute the second most prevalent tumor type in children. Within this group, spinal cord tumors are relatively rare and account for 1 to 10% of all pediatric central nervous system tumors. We describe a very rare case of an intradural extramedullary spinal cord tumor with a subcutaneous mass and discuss its clini...

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