{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,1,21]],"date-time":"2026-01-21T19:33:17Z","timestamp":1769023997264,"version":"3.49.0"},"reference-count":20,"publisher":"Wiley","issue":"7","license":[{"start":{"date-parts":[[2006,3,7]],"date-time":"2006-03-07T00:00:00Z","timestamp":1141689600000},"content-version":"vor","delay-in-days":0,"URL":"http:\/\/onlinelibrary.wiley.com\/termsAndConditions#vor"}],"content-domain":{"domain":[],"crossmark-restriction":false},"short-container-title":["American J of Med Genetics Pt A"],"published-print":{"date-parts":[[2006,4]]},"abstract":"<jats:title>Abstract<\/jats:title><jats:p>The clinical diagnosis of Marfan syndrome in childhood is difficult, because symptoms may not have developed to their full expression until adulthood. The Ghent nosology for the diagnosis of Marfan syndrome classifies dural ectasia as a major diagnostic criterion. More than two thirds of adult patients with Marfan syndrome show dural ectasia, while the frequency in childhood is unknown. This prospective multicenter observational patient\u2010control study was performed to identify pathologic changes of the lumbosacral spine in young patients with Marfan syndrome. Design: Prospective clinical trial, multicentric, cross\u2010sectional. Setting: MRI of the lumbosacral spine. Patients: Twenty patients with proven Marfan syndrome, 20 patients suspicious for Marfan syndrome and 38 healthy controls. Outcome measures: Vertebral body diameter (VBD) from L1 to S1, dural sac diameter (DSD) from L1 to S1, dural sac ratio (DSR), qualitative assessment of the lumbosacral spine. Results: DSD and VBD in different age groups were higher in patients with proven or suspected Marfan syndrome than in healthy controls (DSD: L1, 6\u20138 years, <jats:italic>P<\/jats:italic>\u2009&lt;\u20090.05). VBD related to body height showed a similar growth related increase in patients with proven or suspected Marfan syndrome and controls. DSD related to body height was elevated in patients with proven or suspected Marfan syndrome at different levels of the lumbar spine. DSD at levels L1, L5, and S1, and DSR at levels L5 and S1 of patients with proven Marfan syndrome were significantly higher (<jats:italic>P<\/jats:italic>\u2009&lt;\u20090.05) than in controls. Conclusion: Even during childhood pathologic changes inside the lumbosacral spine of patients with Marfan syndrome can be observed. Dural ectasia, which occurs at different levels of the lumbar spine, can be detected at levels L5 and S1 in up to 40% of patients with Marfan syndrome. \u00a9 2006 Wiley\u2010Liss, Inc.<\/jats:p>","DOI":"10.1002\/ajmg.a.31158","type":"journal-article","created":{"date-parts":[[2006,3,7]],"date-time":"2006-03-07T23:47:17Z","timestamp":1141775237000},"page":"775-781","source":"Crossref","is-referenced-by-count":35,"title":["Dural ectasia in children with Marfan syndrome: A prospective, multicenter, patient\u2010control 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