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Lumbar magnetic resonance imaging (MRI) shows an increased signal intensity before an actual fracture line develops. In low grade spondylolisthesis, two-thirds of children with acute pediatric spondylolysis will undergo bony union with early activity restriction. Health-related quality of life is improved in patients achieving bony union as compared with patients having non-union, of which one-fourth will additionally develop spondylolisthesis. In patients with high-grade spondylolisthesis, defined as a more than 50% forward slippage of the affected vertebra, spinal fusion is recommended to prevent further progression.<\/jats:p>","DOI":"10.2340\/17453674.2024.42450","type":"journal-article","created":{"date-parts":[[2025,1,13]],"date-time":"2025-01-13T16:45:18Z","timestamp":1736786718000},"source":"Crossref","is-referenced-by-count":7,"title":["An Acta Orthopaedica educational article: Treatment of pediatric spondylolysis and spondylolisthesis"],"prefix":"10.2340","volume":"96","author":[{"ORCID":"https:\/\/orcid.org\/0000-0001-5200-3279","authenticated-orcid":false,"given":"Ilkka","family":"Helenius","sequence":"first","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0000-0002-4516-5875","authenticated-orcid":false,"given":"Ella","family":"Virkki","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Taavi","family":"Toomela","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Daniel","family":"Studer","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Martin","family":"Gehrchen","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0000-0002-0330-5032","authenticated-orcid":false,"given":"Matti","family":"Ahonen","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]}],"member":"1183","published-online":{"date-parts":[[2025,1,13]]},"reference":[{"key":"94411","doi-asserted-by":"crossref","unstructured":"Fredrickson B E, Baker D, McHolick W J, Yuan H A, Lubicky J P. 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