Frequency of unexplained meningeal enhancement in the brain after lumbar puncture

R. L. Mittl, David Mark Yousem

Research output: Contribution to journalArticle

Abstract

PURPOSE: To examine the hypothesis that lumbar puncture alone may cause meningeal enhancement in the brain. METHODS: We prospectively reviewed the brain MR examinations of all patients from a 6-month period who were studied within 1 month after lumbar puncture. We also retrospectively reviewed all cases of dural-arachnoidal enhancement in the brain from the preceding 18- month period. RESULTS: In the prospective group, only one case out of 97 enhanced brain MR examinations after lumbar puncture did not have a clear cause for dural-arachnoidal enhancement. In the retrospective group, only one case out of 11 with enhancement was not clearly explained. CONCLUSIONS: Dural-arachnoidal enhancement in the brain after lumbar puncture is uncommon, if it occurs at all, and lumbar puncture as a cause of enhancement should be considered a rare diagnosis of exclusion.

Original languageEnglish (US)
Pages (from-to)633-638
Number of pages6
JournalAmerican Journal of Neuroradiology
Volume15
Issue number4
StatePublished - 1994
Externally publishedYes

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Spinal Puncture
Brain

ASJC Scopus subject areas

  • Clinical Neurology
  • Radiology Nuclear Medicine and imaging
  • Radiological and Ultrasound Technology

Cite this

Frequency of unexplained meningeal enhancement in the brain after lumbar puncture. / Mittl, R. L.; Yousem, David Mark.

In: American Journal of Neuroradiology, Vol. 15, No. 4, 1994, p. 633-638.

Research output: Contribution to journalArticle

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