WebApr 10, 2024 · A characteristic imaging finding is the presence of bright spotty lesions, defined as areas of higher T2-hyperintensity within the spinal cord lesion that are comparable to the signal intensity of CSF. This finding has shown specificity for AQP4+NMOSD of 94% vs. a range of inflammatory and non-inflammatory myelopathies, … WebSep 1, 2008 · Cerebrospinal fluid (CSF) leak occurs when there is an osseous and dural defect at the skull base, with direct communication of the subarachnoid space to the extracranial space, usually a paranasal sinus. Recognition of the leak site and source and appropriate treatment are necessary to avoid rhinorrhea or otorrhea, low-pressure …
American Journal of Neuroradiology
WebSep 12, 2024 · Spinal hematomas are a frequent indication for radiologic evaluation and can be a diagnostic dilemma for many radiologists and surgeons. There are four types of … Subdural hygromas are encountered in all age-groups but are overall most common in the elderly 7. The demographics will depend on the underlying cause which includes: 1. idiopathic: in pediatric patients 2. trauma: may occur either as an acute or chronic phenomenon 10-11 3. post surgical, e.g. hematoma … See more The vast majority of patients are asymptomatic. However, some symptoms uncommonly reported include 5: 1. headaches 2. changes in mental status 3. nausea and vomiting 4. focal neurological deficits 5. seizures See more The pathogenesis of subdural hygromas is not entirely understood. The most commonly encountered explanation is a tear in the arachnoid layer forming a ball-valve opening allowing CSF one way passage into the … See more The vast majority of patients with subdural hygroma are asymptomatic without radiographic evidence of mass-effect, and thus neurosurgical intervention is rarely required 5. In cases … See more Subdural hygromas generally occur along the supratentorial cerebral convexities; occurrence in the posterior fossa is rare 4. A subdural hygroma radiographically appears as a crescentic near-CSF … See more data privacy in schools
Pediatric Central Nervous System Imaging of
A subdural hygroma (SDG) is a collection of cerebrospinal fluid (CSF), without blood, located under the dural membrane of the brain. Most subdural hygromas are believed to be derived from chronic subdural hematomas. They are commonly seen in elderly people after minor trauma but can also be seen in children following infection or trauma. One of the common causes of subdural … WebNov 6, 2024 · A subdural hygroma is a collection of CSF that develops between the dura and the arachnoid layers. ... retention and neurologic deficits the surgeon should be … WebThe patient was successfully treated using interventional radiology-guided lumbar puncture. Conclusions: Posttraumatic spinal subdural hygromas are rare complications, as evidenced by the lack of literature and treatment guidelines. Using lumbar puncture, we demonstrate clinical and radiographic resolution of a traumatic subdural hygroma. data privacy impact assessment gdpr