Search results
Results from the WOW.Com Content Network
People with cranial CSF leaks, the rarer form, have a 10% risk of developing meningitis per year. [55] If cranial leaks last more than seven days, the chances of developing meningitis are significantly higher. [55] Spinal CSF leaks cannot result in meningitis due to the sterile conditions of the leak site. [24]
Cerebrospinal fluid (CSF) is a clear, colorless transcellular body fluid found within the meningeal tissue that surrounds the vertebrate brain and spinal cord, and in the ventricles of the brain. CSF is mostly produced by specialized ependymal cells in the choroid plexuses of the ventricles of the brain, and absorbed in the arachnoid granulations .
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.
Traumatic CSF rhinorrhoea is the most common type of CSF rhinorrhoea. [1] It may be due to severe head injury, or from complications from neurosurgery. [1] Spontaneous CSF rhinorrhoea is the most common acquired defect in the skull base bones (anterior cranial fossa) causing spontaneous nasal liquorrhea.
Radionuclide cisternography may be used to diagnose a spinal cerebrospinal fluid leak. CSF pressure is measured and imaged over 24 hours. [2] A radionuclide (radioisotope) is injected by lumbar puncture (spinal tap) into the cerebral spinal fluid to determine if there is abnormal CSF flow within the brain and spinal canal which can be altered by hydrocephalus, Arnold–Chiari malformation ...
The etiology of dural ectasia is unknown, but it has been suggested that is due to increased hydrostatic pressure, [8] general weakened connective tissue [9] or as a result of the pulsatile flow of cerebrospinal fluid on weakened spinal dura. [10] Dural ectasia is common in Marfan syndrome, [3] occurring in 63–92% of people with the syndrome ...
EBP are usually administered near the site of the cerebrospinal fluid leak (CSF leak), but in some cases the upper part of the spine is targeted. [3] An epidural needle is inserted into the epidural space like a traditional epidural procedure. The blood modulates the pressure of the CSF and forms a clot, sealing the leak.
In the magnitude image, cerebrospinal fluid (CSF) that is flowing is a brighter signal and stationary tissues are suppressed and visualized as black background. The phase image is phase-shift encoded, where white high signals represent forward flowing CSF and black low signals represent backwards flow.