A clinical scoring system for congenital contractural arachnodactyly.
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Meerschaut I
Center for Medical Genetics, Ghent University Hospital, Ghent, Belgium.
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De Coninck S
Center for Medical Genetics, Ghent University Hospital, Ghent, Belgium.
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Steyaert W
Center for Medical Genetics, Ghent University Hospital, Ghent, Belgium.
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Barnicoat A
Department of Clinical Genetics, Great Ormond Street Hospital NHS Foundation Trust, London, UK.
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Bayat A
Department of Pediatrics, Rigshospitalet, University Hospital of Copenhagen, Copenhagen, Denmark.
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Benedicenti F
Clinical Genetics Service and South Tyrol Coordination Center for Rare Diseases, Department of Pediatrics, Regional Hospital of Bolzano, Bolzano, Italy.
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Berland S
Department of Medical Genetics, Haukeland University Hospital, Bergen, Norway.
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Blair EM
Oxford Centre for Genomic Medicine, Oxford, UK.
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Breckpot J
Center for Human Genetics, University Hospitals Leuven, Catholic University Leuven, Leuven, Belgium.
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de Burca A
Oxford Centre for Genomic Medicine, Oxford, UK.
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Destrée A
Center for Human Genetics, Institute of Pathology and Genetics (IPG), Gosselies, Belgium.
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García-Miñaúr S
Institute of Medical and Molecular Genetics (INGEMM), Hospital Universitario La Paz, Madrid, Spain.
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Green AJ
Department of Clinical Genetics, Our Lady's Children's Hospital, Crumlin, Dublin, Ireland.
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Hanna BC
Clinical Genetics Department, Westmead Hospital, Sydney, Australia.
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Keymolen K
Centre for Medical Genetics, Vrije Universiteit Brussel (VUB), Universitair Ziekenhuis Brussel (UZ Brussel), Brussels, Belgium.
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Koopmans M
Department of Genetics, University Medical Center Utrecht, Utrecht, The Netherlands.
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Lederer D
Center for Human Genetics, Institute of Pathology and Genetics (IPG), Gosselies, Belgium.
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Lees M
Department of Clinical Genetics, Great Ormond Street Hospital NHS Foundation Trust, London, UK.
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Longman C
West of Scotland Regional Genetics Service, Queen Elizabeth University Hospital, Glasgow, Scotland.
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Lynch SA
Department of Clinical Genetics, Temple Street Children's Hospital, Dublin, Ireland.
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Male AM
Department of Clinical Genetics, Great Ormond Street Hospital NHS Foundation Trust, London, UK.
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McKenzie F
Genetic Services of Western Australia, Perth, WA, Australia.
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Migeotte I
Centre de Génétique Humaine, Université Libre de Bruxelles, Brussels, Belgium.
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Mihci E
Department of Pediatric Genetics, Akdeniz University Medical School, Akdeniz, Turkey.
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Nur B
Department of Pediatric Genetics, Akdeniz University Medical School, Akdeniz, Turkey.
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Petit F
Clinique de Génétique, CHU Lille, Lille, France.
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Piard J
Centre de Génétique Humaine, Université de Franche-Comté, CHU Besançon, Besançon, France.
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Plasschaert FS
Department of Pediatric Orthopedics and Traumatology, Ghent University Hospital, Ghent, Belgium.
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Rauch A
Institut für Medizinische Genetik, Universität Zürich, Zürich, Switzerland.
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Ribaï P
Center for Human Genetics, Institute of Pathology and Genetics (IPG), Gosselies, Belgium.
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Pacheco IS
Pediatria, Alava iniversity hospital, Alava, Spain.
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Stanzial F
Clinical Genetics Service and South Tyrol Coordination Center for Rare Diseases, Department of Pediatrics, Regional Hospital of Bolzano, Bolzano, Italy.
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Stolte-Dijkstra I
Department of Genetics, University Medical Center Groningen, University of Groningen, Groningen, The Netherlands.
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Valenzuela I
Department of Clinical and Molecular genetics and Rare disease Unit, University Hospital Vall d'Hebron, Barcelona, Spain.
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Varghese V
Institute of Medical Genetics, University Hospital of Wales, Cardiff, UK.
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Vasudevan PC
Medical Genetics, University of Leicester, University Hospitals of Leicester NHS Trust, Leicester, UK.
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Wakeling E
North West Thames Regional Genetics Service, London North West University Healthcare NHS Trust, Harrow, UK.
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Wallgren-Pettersson C
The Folkhaelsan Institute of Genetics and the Department of Medical and Clinical Genetics, University of Helsinki, Helsinki, Finland.
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Coucke P
Center for Medical Genetics, Ghent University Hospital, Ghent, Belgium.
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De Paepe A
Center for Medical Genetics, Ghent University Hospital, Ghent, Belgium.
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De Wolf D
Department of Pediatric Cardiology, Ghent University Hospital, Ghent, Belgium.
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Symoens S
Center for Medical Genetics, Ghent University Hospital, Ghent, Belgium.
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Callewaert B
Center for Medical Genetics, Ghent University Hospital, Ghent, Belgium. Bert.Callewaert@UGent.be.
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Published in:
- Genetics in medicine : official journal of the American College of Medical Genetics. - 2020
English
PURPOSE
Congenital contractural arachnodactyly (CCA) is an autosomal dominant connective tissue disorder manifesting joint contractures, arachnodactyly, crumpled ears, and kyphoscoliosis as main features. Due to its rarity, rather aspecific clinical presentation, and overlap with other conditions including Marfan syndrome, the diagnosis is challenging, but important for prognosis and clinical management. CCA is caused by pathogenic variants in FBN2, encoding fibrillin-2, but locus heterogeneity has been suggested. We designed a clinical scoring system and diagnostic criteria to support the diagnostic process and guide molecular genetic testing.
METHODS
In this retrospective study, we assessed 167 probands referred for FBN2 analysis and classified them into a FBN2-positive (n = 44) and FBN2-negative group (n = 123) following molecular analysis. We developed a 20-point weighted clinical scoring system based on the prevalence of ten main clinical characteristics of CCA in both groups.
RESULTS
The total score was significantly different between the groups (P < 0.001) and was indicative for classifying patients into unlikely CCA (total score <7) and likely CCA (total score ≥7) groups.
CONCLUSIONS
Our clinical score is helpful for clinical guidance for patients suspected to have CCA, and provides a quantitative tool for phenotyping in research settings.
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Language
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Open access status
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green
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Identifiers
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Persistent URL
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https://folia.unifr.ch/global/documents/297300
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