Venous plexus
“Epidural” Vertebral Venous Plexus
... Presumed Bilateral Lateral Geniculate Nuclei Ischemia We read with interest the report by Lefebvre et al,1 of a case of severe bilateral visual loss after anaphylactic shock associated w[r] ...
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The size of the foramen ovale regarding to the presence and absence of the emissary sphenoidal foramen: is there any relationship between them?
... pterygoid venous plexus with the cavernous sinus [13, 20, ...the venous plexus may alter FO shape and ...FO venous part may be replaced by the sphenoidal emis- sary ...FO venous ...
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High Resolution Vascular Imaging of the Rat Spine Using Liposomal Blood Pool MR Agent
... from the surrounding tissue was reduced by incorporating a 1-ms long magnetization transfer pulse with a frequency offset of 1500 Hz. For the Gd-DTPA study, precontrast images were acquired followed by administration of ...
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Cervical MR Imaging in Postural Headache: MR Signs and Pathophysiological Implications
... the venous flow, and difficulty in eval- uating the spinal ...the venous plexus, although a quantitative measurement would not have been ...the venous plexus flow as well as an ...
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Preoperative embolization of anastomoses of the jugular bulb: an adjuvant in jugular foramen surgery
... vertebral plexus. In type III drainage (24%), a plexus of veins extends from the cavernous sinus to the jugular bulb and the vertebral and suboccipital ...vertebral venous plexus is also a ...
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Osseous versus Nonosseous Spinal Epidural Arteriovenous Fistulas: Experiences of 13 Patients
... Among 11 patients who underwent either endovascular treat- ment (n ⫽ 10) or an operation (n ⫽ 1), the mean duration of follow-up after treatment was 23 months (range, 1– 63 months; FIG 3. Osseous spinal epidural ...
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Preangiographic Evaluation of Spinal Dural Arteriovenous Fistulas with Elliptic Centric Contrast Enhanced MR Angiography and Effect on Radiation Dose and Volume of Iodinated Contrast Material
... F IG 3. Images in a 72-year-old man with a 2-year history of urinary incontinence with progressive perianal and lower-ex- tremity numbness and loss of lower-ex- tremity control over the last year leading to use of a ...
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MR field strength: unanswered questions
... entering the venous plexus surrounding the vertebral ar- tery. It is interesting to note that according to the case report, the T1-weighted acquisition started inferiorly, and proceeded superiorly. One ...
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Real time CT Fluoroscopy (CTF) Guided Vertebroplasty in Osteoporotic Spine Fractures
... the venous plexus around vertebra, PMMA deposition in the vertebral body, and epidural leaking of PMMA in the monitoring range, at least on the target vertebra ...
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Spinal epidural arteriovenous fistulas: arterial and venous approaches to embolization
... B and C, Posteroanterior PA right vertebral and ascending cervical angiegrams show multiple fistulas closed arrows draining into the epidural venous plexus open arrow.. D and £, PA left [r] ...
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Porto Caval and Porto Pulmonary Anastomoses in Laennec's Cirrhosis and in Heart Failure
... Increased right atrial and four cirrhotics the mediastinal venous plexus caval pressure in right heart failure is accompanied showed anastomoses with bronchial veins, and in by an increa[r] ...
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Spinal dural arteriovenous fistulas: MR and myelographic findings
... On MR, increased T2 signal in the spinal cord was present in all patients in whom we could make this determination (30 of 30). The exam- ination was indeterminate for T2-signal abnor- mality in one patient. The T2 signal ...
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The Craniocervical Venous System in Relation to Cerebral Venous Drainage
... cerebral venous drainage might redirect the circula- tion of the internal and external vertebral venous ...vertebral venous plexus with the anterior condylar vein could offer a cranial escape ...
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Slow Flow Spinal Epidural AVF with Venous Ectasias: Two Pediatric Case Reports
... The venous drainage is retrograde toward the spinal cord through the radiculomedullary ...arterio- venous shunting in our cases was slow, and pooling of blood occurred within a large epidural venous ...
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Assessment of extradural degenerative disease with Gd DTPA enhanced MR imaging: correlation with surgical and pathologic findings
... The mechanism of enhancement of the epidural space and peridiskal region appears to be related to accumulation of contrast material within the epidural venous plexus, as well as to epidu[r] ...
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Brain microvascular endothelial cell association and distribution of a 5 nm ceria engineered nanomaterial
... Brain uptake of a 5 nm ceria ENM was flow rate- and perfusion concentration-independent, showing that diffusion was not mediating its association with brain tissue. The ceria ENM concentration was significantly higher in ...
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Role of oxidative stress in oxaliplatin-induced enteric neuropathy and colonic dysmotility in mice
... NO, synthesizedby the NOS enzymes, is a highly reactive and widely distributed transmitter found throughout both the central and peripheral nervous systems. In the gastroin- testinal tract, NO is a well-established ...
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A second modem (Manager Modem - dealer provided). This modem must be connected to the PC running Plexus Administrator. The modem must be 19.2 Kbps or faster. A telephone line connected to the Manager Modem.
... of Plexus Administrator enables a Plexus system to be configured and otherwise managed via modem ...running Plexus Administrator is connected to the Plexus through a modem as opposed to a ...
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