A Novel Technique for Pars Defect Direct Repair with a Modified Smiley Face Rod for Spondylolysis and Isthmic Spondylolisthesis

• DOI: 10.22603/ssrr.2023-0021
• Publication Date: 2023-06-08T22:14:41Z
• Authors: Masaki Tatsumura; Shun Okuwaki; Hisarnori Gamada; Reo Asai; Fumihiko Eto; Katsuya Nagashima; Yosuke Takeuchi; Toru Funayama; Masashi Yamazaki
• Keywords: Pars interarticularis; Foraminotomy; Smiley; Lamina; Facetectomy

Background: Lumbar spondylolysis is a common fatigue fracture of the pars interarticularis lamina lumbar spine in adolescent athletes presenting with clefts. Some pseudarthrotic causes low back pain or radiculopathy. This study presents case that was successfully treated using modified smiley face rod technique.