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Quélin C, Loget P, Rozel C, D'Hervé D, Fradin M, Demurger F, Odent S, Pasquier L, Cavé H, Marcorelles P. Fetal costello syndrome with neuromuscular spindles excess and p.Gly12Val HRAS mutation. Eur J Med Genet 2017; 60:395-398. [PMID: 28455154 DOI: 10.1016/j.ejmg.2017.03.014] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/02/2016] [Revised: 03/21/2017] [Accepted: 03/31/2017] [Indexed: 11/19/2022]
Abstract
Costello syndrome (CS) is a rare multiple congenital disorder caused by activating germline mutations in HRAS gene and is characterized by coarse facial features, severe feeding difficulties, failure to thrive, mild to severe intellectual disability, severe postnatal growth retardation, cardiac abnormalities or cancer predisposition. Phenotypic spectrum associated with HRAS mutations is broad, ranging from attenuated CS phenotype to neonatal and lethal forms with limited genotype-phenotype correlations. Congenital myopathy with neuromuscular spindle excess has been rarely described in the literature. We report a new severe fetal case of CS with distal arthrogryposis due to neuromuscular spindle excess, confirmed by the detection of the p.Gly12Val mutation in HRAS gene. This case emphasizes the fact that HRAS is the only gene responsible for neuromuscular spindle excess, underlines a correlation between p.Gly12Val mutation and severe CS phenotype and points out the importance of a muscle biopsy performed according to the suitable procedure in neuromuscular disorders for any fetal arthrogryposis.
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Affiliation(s)
- Chloé Quélin
- Service de Génétique Clinique, Centre de Référence Maladies Rares CLAD-Ouest, CHU Hôpital Sud, Rennes, France.
| | - Philippe Loget
- Service d'Anatomopathologie, CHU Pontchaillou, Rennes, France
| | - Céline Rozel
- Département de Radiologie et d'Imagerie Médicale, CHU Hôpital Sud, Rennes, France
| | - Dominique D'Hervé
- Service de Gynécologie-Obstétrique, Clinique La Sagesse, Rennes, France
| | - Mélanie Fradin
- Service de Génétique Clinique, Centre de Référence Maladies Rares CLAD-Ouest, CHU Hôpital Sud, Rennes, France
| | - Florence Demurger
- Service de Génétique Clinique, Centre de Référence Maladies Rares CLAD-Ouest, CHU Hôpital Sud, Rennes, France
| | - Sylvie Odent
- Service de Génétique Clinique, Centre de Référence Maladies Rares CLAD-Ouest, CHU Hôpital Sud, Rennes, France
| | - Laurent Pasquier
- Service de Génétique Clinique, Centre de Référence Maladies Rares CLAD-Ouest, CHU Hôpital Sud, Rennes, France
| | - Hélène Cavé
- INSERM UMR 1131, Institut Universitaire d'Hématologie, université Paris Diderot, Paris Sorbonne Cité, Paris, France; Assistance Publique des Hôpitaux de Paris (AP-HP), Hôpital Robert Debré, Département de Génétique, Paris, France
| | - Pascale Marcorelles
- Service d'Anatomopathologie, CHU Hôpital Morvan, Brest, France, EA 4685 LNB UBO, Brest, France
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Henry JM, Chahin N, Shiloh-Malawsky Y, Fan Z, Selcen D. A rare case of congenital myopathy with excess muscle spindles: expanding the clinical spectrum of HRAS-associated neuromuscular disease. J Neurol 2015; 262:1587-9. [DOI: 10.1007/s00415-015-7775-7] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/19/2015] [Revised: 03/25/2015] [Accepted: 03/29/2015] [Indexed: 10/23/2022]
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