Congenital Absence of Lumbar Articular Facets with Computerized Axial Tomography DocumentationPHILLIPS, MARK R., MD*; KEAGY, ROBERT D., MD†Spine: June 1988 - Volume 13 - Issue 6 - p 676–678 Congenital Absence of Lumbar Articular Facets with Computerized Axial Tomography Documentation: PDF Only Buy Abstract Author InformationAuthors The purpose of this report is to add five cases of congenitally absent lumbosacral facets with specific computerized axial tomography (CAT) documentation to the literature. This finding is not as uncommon as the literature suggests, and increased awareness of this entity will decrease its misinterpretation as a destructive lesion. *From the Cook County Hospital, Division of Orthopaedic Surgery, Chicago, Illinois, and the †Louis A. Weiss Memorial Hospital, Department of Orthopaedic Surgery, Chicago, Illinois. Submitted for publication April 20, 1987, and revised September 28, 1987. © Lippincott-Raven Publishers.