Annals of Indian Academy of Neurology
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Year : 2013  |  Volume : 16  |  Issue : 3  |  Page : 440-442

Spinal coning after lumbar puncture in a patient with undiagnosed giant cervical neurofibroma

Department of Neurosurgery, National Neurosciences Centre, Peerless Hospital Complex, II Floor, 360 Panchasayar, Kolkata, India

Correspondence Address:
Prasad Krishnan
Flat 3B, 9 Southend Park, Kolkata 700 029, West Bengal
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Source of Support: None, Conflict of Interest: None

DOI: 10.4103/0972-2327.116935

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Lumbar puncture in the presence of an intracranial tumor with raised intracranial pressure is known to have catastrophic consequences due to herniation of intracranial contents through the tentorial hiatus or foramen magnum. There are relatively few case reports about the same sequence of events when lumbar puncture is performed below the level of a complete spinal block. The mechanism of such deterioration is also subject to conjecture as the spinal cord (unlike the uncus or cerebellar tonsils) is tethered by the dentate ligament and roots on either side, and is hence less mobile. We present one such case of spinal coning and review the available literature.

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