In this add–on procedure, the provider makes an incision in the skin and temporarily places a cranial bone graft into a remote subcutaneous site for future retrieval. The provider creates a pocket underneath the skin, most often in the abdomen, and places a split thickness or full thickness bone graft, or shaved or bone dust material into the pocket. This procedure is often necessary when brain swelling makes immediate replacement of the bone flap inadvisable, as it may aggravate intracranial pressure.
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