What is the role of bone densitometry is the workup of kyphosis?

Updated: May 04, 2020
  • Author: R Carter Cassidy, MD; Chief Editor: Jeffrey A Goldstein, MD  more...
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Ensuring the adequacy of bone density is imperative when surgical correction of kyphosis is being considered. Correction of the kyphosis relies on instrumentation to reduce the spine, and considerable forces are placed on the instrumentation-bone interface. Osteopenic bone can predispose to loss of correction over time, if the instrumentation cuts through the relatively less dense vertebrae.

If a patient's bone density is in question, bone densitometry can be perform to quantify it. Efforts should be made to maximize bone density before and following surgery. When bone density is poor, the surgeon must usually increase the number of points of fixation to reduce the stress at each point, and consider cement augmentation of the screws and/or augmentation of one or 2 levels above the fusion's upper instrumented vertebra. [35]

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