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PubMed · 461809

Semiautomated methods for quantitating CSF volume on cranial computed tomography.

T L Jernigan·L M Zatz·M A Naeser
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Abstract

Two methods for quantitating cerebrospinal fluid (CSF) volume in each hemicranium and on the total section on cranial computed tomography are described and compared. Both analyses utilize information input by the user, but differ in their treatment of volume averaging. The second analysis (Automated Section Information-I) measured partially volumed CSF more sensitively. Potential inaccuracies due to technical artifacts are summarized.

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Cerebrospinal FluidComputersHumansTomography, X-Ray ComputedJournal ArticleResearch Support, U.S. Gov't, Non-P.H.S.

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T L Jernigan, L M Zatz, M A Naeser. 1979. Semiautomated methods for quantitating CSF volume on cranial computed tomography.. https://doi.org/10.1148/132.2.463

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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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