“…2,11,12 In addition to the pain and decreased range of motion, one case report revealed that the shoulder dysfunction was accompanied by osteolysis and surface chondrolysis that may require surgical intervention; this was also associated with incorrect placement of the injection. 13 In an attempt to support this hypothesis, Lippert studied the deltoid fat pads through MRI imaging and showed that 5/8-in-, 7/8-in-, and 1-in-long needles led to overpenetration in 11%, 55%, and 61% of the pediatric population studied, respectively.…”