Lumbar Epidural Steroid Injections: Indications, Contraindic ... - LWW
https://journals.lww.com/acsm-csmr/Fulltext/2010/01000/Lumbar_Epidural_Steroid_Injections__Indications,.12.aspx
WebThree approaches exist for entrance to the lumbar epidural space, including caudal, interlaminar (ILESI), and transforaminal (TFESI). As will be explained in detail later, TFESI has the best literature support, but a role likely exists for all three approaches, depending on the individual's symptoms, anatomy, and pathology.
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