Preferred Insertion Site for Transforaminal Epidural Steroid Injections: Safe Triangle or Kambin’s Triangle?

From the *Neurologic Institute, Cleveland Clinic Lerner College of Medicine of Case Western University, Cleveland, Ohio Departments of †Radiology (Musculoskeletal) ‡Anesthesiology, Northwestern University Feinberg School of Medicine, Chicago, Illinois. Accepted for publication March 16, 2023. Funding: None. Reprints will not be available from the authors. A. Stout and I. M. Omar are co-first authors. The authors declare no conflicts of interest. Address correspondence to Honorio T. Benzon, MD, Department of Anesthesiology, Northwestern University Feinberg School of Medicine, 251 E. Huron St, Feinberg 5-704, Chicago, IL 60611. Address e-mail to [email protected]