RT Journal Article SR Electronic T1 Ultrasound-Guided Interventional Procedures in Pain Medicine: A Review of Anatomy, Sonoanatomy, and Procedures. Part V JF Regional Anesthesia & Pain Medicine JO Reg Anesth Pain Med FD BMJ Publishing Group Ltd SP 368 OP 380 DO 10.1097/AAP.0000000000000135 VO 39 IS 5 A1 Philip W. H. Peng A1 Hariharan Shankar YR 2014 UL http://rapm.bmj.com/content/39/5/368.abstract AB Abstract Ultrasound-guided injection in pain medicine is emerging as a popular technique for pain intervention. It can be applied to the intra-articular injection of the knee joint. The first objective of this review was to describe and summarize the anatomy and sonoanatomy of the knee and associated structures relevant for intra-articular injection. The second objective was to examine the feasibility, accuracy, and effectiveness of injections as well as injection techniques.