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Intradural-extramedullary tumors are often benign, so observation with follow-up imaging is an option in cases where the lesions are small and the patient is asymptomatic. [4] Radiotherapy and chemotherapy may be administered alone or in conjunction with surgery.
Spinal intradural extramedullary site with growth into foraminal space; Eight cranial nerve (bilateral involvement in NF2) Neurofibroma (Localized, diffuse, plexiform subtype) Benign 5.3% of all benign soft tissue tumors
Intradural extramedullary tuberculoma of the spinal cord (IETSC) [ edit ] IETSC is a cancer of the spinal cord that involves hypoesthesia of all parts of the body associated with the affected spinal nerves . [ 5 ]
Most spinal schwannomas are intradural-extramedullary, growing inside the thecal sac, but outside the spinal cord itself. [5] Intradural-intramedullary schwannomas also develop, but tend to be rare. [ 5 ]
Anterior spinal veins fall into the intradural network of the vertebral venous system. The intradural network breaks down into the intramedullary and extramedullary systems which are sets of highly reliable veins. This is because they are vastly redundant in what they do and so only fail under exceedingly unfavorable conditions.
Intradural procedures, such as removal of a brain tumour or treatment of trigeminal neuralgia via a microvascular decompression, require that an incision is made to the dura mater. To achieve a watertight repair and avoid potential post-operative complications, the dura is typically closed with sutures .
As the evaluation of the need for intradural interrogation is important, it is necessary to differentiate between subdural and epidural hematomas. Based on the location of the hematoma, use both axial and sagittal images of MRI to identify the boundary between hematoma and fat. [ 7 ]
In anatomy, the epidural space is the potential space between the dura mater and vertebrae (). [1] [2]The anatomy term "epidural space" has its origin in the Ancient Greek language; ἐπί, "on, upon" + dura mater also known as "epidural cavity", "extradural space" or "peridural space".