An interlaminar ESI, often referred to simply as an 'epidural injection', involves placing the needle into the back of the epidural space and delivering the steroid over a wider area.

To learn more about Cervical Epidural Steroid Injection, visit NASS.org

Information sourced from https://www.spine.org/KnowYourBack/Treatments/InjectionTreatmentsforSpin...