When there is presence of subtentorial mass, what is the complication following a misguided lumbar puncture?
A)Lateral tentorial herniation
B)Tonsillar herniation
C)Midline shift
D)Central tentorial herniation

Question

Quizplus · Accepted Answer

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.

When There Is Presence of Subtentorial Mass, What Is the Complication