• Brain injury : [BI] · Jul 2009

    False localizing signs in traumatic brain injury.

    • Cristin McKenna, Jonathan Fellus, and Anna M Barrett.
    • Kessler Institute for Rehabilitation, West Orange, NJ 07052, USA. cmckenna@kmrrec.org
    • Brain Inj. 2009 Jul 1; 23 (7): 597-601.

    BackgroundHemiparesis ipsilateral to a mass-occupying lesion can be due to Kernohan-Woltman Notch Phenomenon (KWNP). This syndrome implies a false-localizing sign because clinical findings lead the examiner to an incorrect neuroanatomical diagnosis. The contralateral crus cerebri (pyramidal tract) is pressed against the tentorial incisum and a resultant hemiparesis is found on the same side of the lesion.ReviewA detailed literature search of false-localizing signs is presented.ConclusionsNot infrequently, patients presenting to a physiatrist may have incomplete records. The existence of false localizing signs may point the physician towards the wrong underlying pathology.

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