Lawrenceburg, Kentucky. Lawrenceburg is a home rule-class city in Anderson County, Kentucky, United States. The population was 10,505 at the 2010 census. It is the seat of its county. Lawrenceburg is part of the Frankfort, Kentucky, micropolitan statistical area.
Vacuum phenomenon in the shoulder refers to the presence of intra-articular gas in the shoulder joint.t is a very common occurrence, particularly in external rotation. This can cause circular or linear areas of low signal intensity on GRE MR images of the shoulder obtained with external rotation of the arm and represent small foci of intra-articular gas.
Abstract. Objective: To determine whether a vacuum phenomenon in the sacroiliac joint is a reliable sign of pelvic injury in trauma patients. Materials and methods: Prospective data were collected over a 1-year period for 107 patients with pelvic trauma and 104 nontrauma patients.eliability of vacuum phenomenon in the sacroiliac joint as a sign of traumatic injury. 1  Michael J. SzeAffiliated withDepartment of Diagnostic Radiology, University of Maryland School of Medicine, 22 S. Greene Street, Baltimore, MD 21201, USA.