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PubMed · 2011485

[Stereoscopic MR cisternography].

K Morimoto·S Choi·Y Miyata·K Hara
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Abstract

A time-reversed gradient echo pulse sequence, one of the MR imaging methods based on steady-state free procession of the excited spins, makes the cerebrospinal fluid (CSF) quite bright relative to the normal brain tissue. Using this sequence combined with a three-dimensional data set and maximum intensity projection method, which provided clear delineation of the spatial distribution of the CSF space in the brain. Though the clinical experience is limited, this technique is considered to be of value in the evaluation of CSF pathology.

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Cerebrospinal FluidHumansMagnetic Resonance ImagingEnglish AbstractJournal Article

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K Morimoto, S Choi, Y Miyata, K Hara. 1991-01-25. [Stereoscopic MR cisternography].. https://pubmed.ncbi.nlm.nih.gov/2011485/

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Cerebrospinal fluid dissecting into spinal epidural space after lumbar puncture causing cauda equina syndrome: review of literature and illustrative case.

OBJECTS: We report a case of epidural cerebrospinal fluid (CSF) leak after lumbar puncture caused by CSF dissecting into the spinal epidural space. The incidence of this phenomenon may be higher than suspected, although most cases may remain asymptomatic. MATERIALS AND METHODS: A 4-year-old girl with new-onset seizure underwent a diagnostic lumbar puncture, the results of which were normal; 3 h later, she began experiencing severe low-pressure headaches and lower back pain, bilateral lower extremity weakness, numbness, and pain, and urinary retention when upright. Spinal MRI demonstrated extensive epidural CSF collection posterior to the thecal sac extending from the cervicothoracic junction to the sacrum. After 48 h in the supine position and gradual mobilization, the patient had complete resolution of symptoms and no neurological sequelae. CONCLUSION: Patients usually recover without any neurological deficits after conservative treatment. Prone or lateral decubitus positioning immediately after lumbar puncture may decrease the incidence of this phenomenon.

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