PTA Physical Therapy Assistant

Answer: B -When there is presence of subtentorial mass, tonsillar herniation is the complication following a misguided lumbar puncture.

Lumbar puncture can create a pressure gradient which leads to tonsillar herniation.

Lateral tentorial herniation is caused by a unilateral expanding mass. As the intracranial pressure increases, the central herniation follows. Midline shift occurs due to unilateral space occupying lesions. Central tentorial herniation occurs due to a midline lesion.