questionsmedicales.fr
Phénomènes génétiques
Structures génétiques
Chromosomes
Chromosomes de mammifère
Chromosomes humains
Chromosomes humains : Questions médicales fréquentes
Termes MeSH sélectionnés :
Diagnostic
5
Caryotype
Anomalies chromosomiques
Tests génétiques
Séquençage
Malformations congénitales
Retard de développement
Dépistage
Grossesse à risque
Échographie
Anomalies physiques
Symptômes
5
Syndromes chromosomiques
Retards mentaux
Troubles neurologiques
Anomalies physiques
Syndrome de Down
Tonus musculaire
Troubles du comportement
Difficultés d'apprentissage
Prévention
5
Conseils génétiques
Anomalies chromosomiques
Santé maternelle
Grossesse
Dépistage prénatal
Anomalies chromosomiques
Alimentation
Acide folique
Antécédents familiaux
Risque
Traitements
5
Thérapie génique
Recherche
Soins médicaux
Thérapies physiques
Interventions précoces
Éducation
Complications
5
Complications
Retards de développement
Fertilité
Anomalies chromosomiques
Maladies associées
Risque accru
Traitements médicaux
Interventions
Suivi médical
Complications à long terme
Facteurs de risque
5
Facteurs de risque
Âge maternel
Expositions environnementales
Radiations
Maladies génétiques
Antécédents familiaux
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"headline": "Questions et réponses médicales fréquentes sur Chromosomes humains",
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"name": "Diagnostic",
"headline": "Diagnostic sur Chromosomes humains",
"description": "Comment diagnostiquer une anomalie chromosomique ?\nQuels tests génétiques sont disponibles ?\nQuels signes indiquent un problème chromosomique ?\nQuand faire un test de dépistage chromosomique ?\nQuel rôle joue l'échographie dans le diagnostic ?",
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"name": "Symptômes",
"headline": "Symptômes sur Chromosomes humains",
"description": "Quels sont les symptômes des syndromes chromosomiques ?\nComment se manifestent les troubles liés aux chromosomes ?\nLes anomalies chromosomiques causent-elles des douleurs ?\nY a-t-il des symptômes spécifiques au syndrome de Down ?\nLes troubles chromosomiques affectent-ils le comportement ?",
"url": "https://questionsmedicales.fr/mesh/D002877?mesh_terms=Chromosome+Inversion#section-symptômes"
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"@type": "MedicalWebPage",
"name": "Prévention",
"headline": "Prévention sur Chromosomes humains",
"description": "Peut-on prévenir les anomalies chromosomiques ?\nQuel rôle joue la santé maternelle ?\nLes tests de dépistage prénatal sont-ils efficaces ?\nL'alimentation influence-t-elle les anomalies chromosomiques ?\nLes antécédents familiaux augmentent-ils les risques ?",
"url": "https://questionsmedicales.fr/mesh/D002877?mesh_terms=Chromosome+Inversion#section-prévention"
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"name": "Traitements",
"headline": "Traitements sur Chromosomes humains",
"description": "Quels traitements existent pour les anomalies chromosomiques ?\nLa thérapie génique est-elle une option ?\nComment gérer les symptômes des syndromes chromosomiques ?\nLes médicaments peuvent-ils aider ?\nY a-t-il des interventions précoces recommandées ?",
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"name": "Complications",
"headline": "Complications sur Chromosomes humains",
"description": "Quelles complications peuvent survenir avec des anomalies chromosomiques ?\nLes anomalies chromosomiques affectent-elles la fertilité ?\nY a-t-il des risques de maladies associées ?\nLes complications peuvent-elles être traitées ?\nLes personnes atteintes ont-elles besoin de soins continus ?",
"url": "https://questionsmedicales.fr/mesh/D002877?mesh_terms=Chromosome+Inversion#section-complications"
},
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"@type": "MedicalWebPage",
"name": "Facteurs de risque",
"headline": "Facteurs de risque sur Chromosomes humains",
"description": "Quels sont les facteurs de risque pour les anomalies chromosomiques ?\nL'âge des parents influence-t-il les risques ?\nLes expositions environnementales sont-elles un risque ?\nLes maladies génétiques augmentent-elles les risques ?\nLe mode de vie peut-il influencer les risques ?",
"url": "https://questionsmedicales.fr/mesh/D002877?mesh_terms=Chromosome+Inversion#section-facteurs de risque"
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{
"@type": "Question",
"name": "Comment diagnostiquer une anomalie chromosomique ?",
"position": 1,
"acceptedAnswer": {
"@type": "Answer",
"text": "Un caryotype est réalisé pour examiner le nombre et la structure des chromosomes."
}
},
{
"@type": "Question",
"name": "Quels tests génétiques sont disponibles ?",
"position": 2,
"acceptedAnswer": {
"@type": "Answer",
"text": "Les tests incluent l'analyse de l'ADN, le caryotype et le séquençage génomique."
}
},
{
"@type": "Question",
"name": "Quels signes indiquent un problème chromosomique ?",
"position": 3,
"acceptedAnswer": {
"@type": "Answer",
"text": "Des malformations congénitales, des retards de développement ou des troubles de la fertilité."
}
},
{
"@type": "Question",
"name": "Quand faire un test de dépistage chromosomique ?",
"position": 4,
"acceptedAnswer": {
"@type": "Answer",
"text": "Il est recommandé lors de grossesses à risque ou d'antécédents familiaux d'anomalies."
}
},
{
"@type": "Question",
"name": "Quel rôle joue l'échographie dans le diagnostic ?",
"position": 5,
"acceptedAnswer": {
"@type": "Answer",
"text": "L'échographie peut détecter des anomalies physiques pouvant indiquer des problèmes chromosomiques."
}
},
{
"@type": "Question",
"name": "Quels sont les symptômes des syndromes chromosomiques ?",
"position": 6,
"acceptedAnswer": {
"@type": "Answer",
"text": "Les symptômes varient, incluant des retards mentaux, des malformations et des troubles comportementaux."
}
},
{
"@type": "Question",
"name": "Comment se manifestent les troubles liés aux chromosomes ?",
"position": 7,
"acceptedAnswer": {
"@type": "Answer",
"text": "Ils peuvent se manifester par des anomalies physiques, des problèmes de croissance ou des troubles neurologiques."
}
},
{
"@type": "Question",
"name": "Les anomalies chromosomiques causent-elles des douleurs ?",
"position": 8,
"acceptedAnswer": {
"@type": "Answer",
"text": "Elles ne causent pas directement de douleurs, mais peuvent entraîner des complications douloureuses."
}
},
{
"@type": "Question",
"name": "Y a-t-il des symptômes spécifiques au syndrome de Down ?",
"position": 9,
"acceptedAnswer": {
"@type": "Answer",
"text": "Oui, incluant un visage plat, des yeux en amande et un tonus musculaire faible."
}
},
{
"@type": "Question",
"name": "Les troubles chromosomiques affectent-ils le comportement ?",
"position": 10,
"acceptedAnswer": {
"@type": "Answer",
"text": "Oui, certains peuvent entraîner des troubles du comportement ou des difficultés d'apprentissage."
}
},
{
"@type": "Question",
"name": "Peut-on prévenir les anomalies chromosomiques ?",
"position": 11,
"acceptedAnswer": {
"@type": "Answer",
"text": "Certaines anomalies ne peuvent pas être prévenues, mais des conseils génétiques peuvent aider."
}
},
{
"@type": "Question",
"name": "Quel rôle joue la santé maternelle ?",
"position": 12,
"acceptedAnswer": {
"@type": "Answer",
"text": "Une bonne santé maternelle avant et pendant la grossesse peut réduire certains risques chromosomiques."
}
},
{
"@type": "Question",
"name": "Les tests de dépistage prénatal sont-ils efficaces ?",
"position": 13,
"acceptedAnswer": {
"@type": "Answer",
"text": "Oui, ils peuvent détecter certaines anomalies chromosomiques avant la naissance."
}
},
{
"@type": "Question",
"name": "L'alimentation influence-t-elle les anomalies chromosomiques ?",
"position": 14,
"acceptedAnswer": {
"@type": "Answer",
"text": "Une alimentation équilibrée et des suppléments d'acide folique peuvent réduire certains risques."
}
},
{
"@type": "Question",
"name": "Les antécédents familiaux augmentent-ils les risques ?",
"position": 15,
"acceptedAnswer": {
"@type": "Answer",
"text": "Oui, des antécédents familiaux d'anomalies chromosomiques peuvent augmenter le risque de récurrence."
}
},
{
"@type": "Question",
"name": "Quels traitements existent pour les anomalies chromosomiques ?",
"position": 16,
"acceptedAnswer": {
"@type": "Answer",
"text": "Les traitements varient selon les symptômes et peuvent inclure thérapies, chirurgie ou médicaments."
}
},
{
"@type": "Question",
"name": "La thérapie génique est-elle une option ?",
"position": 17,
"acceptedAnswer": {
"@type": "Answer",
"text": "La thérapie génique est en recherche pour certaines anomalies, mais n'est pas encore largement disponible."
}
},
{
"@type": "Question",
"name": "Comment gérer les symptômes des syndromes chromosomiques ?",
"position": 18,
"acceptedAnswer": {
"@type": "Answer",
"text": "La gestion inclut des soins médicaux, des thérapies physiques et des soutiens éducatifs."
}
},
{
"@type": "Question",
"name": "Les médicaments peuvent-ils aider ?",
"position": 19,
"acceptedAnswer": {
"@type": "Answer",
"text": "Oui, certains médicaments peuvent traiter des symptômes spécifiques comme l'anxiété ou l'hyperactivité."
}
},
{
"@type": "Question",
"name": "Y a-t-il des interventions précoces recommandées ?",
"position": 20,
"acceptedAnswer": {
"@type": "Answer",
"text": "Oui, des interventions précoces en éducation et en thérapie sont cruciales pour le développement."
}
},
{
"@type": "Question",
"name": "Quelles complications peuvent survenir avec des anomalies chromosomiques ?",
"position": 21,
"acceptedAnswer": {
"@type": "Answer",
"text": "Les complications incluent des problèmes de santé chroniques, des retards de développement et des troubles mentaux."
}
},
{
"@type": "Question",
"name": "Les anomalies chromosomiques affectent-elles la fertilité ?",
"position": 22,
"acceptedAnswer": {
"@type": "Answer",
"text": "Oui, certaines anomalies peuvent entraîner des problèmes de fertilité chez les hommes et les femmes."
}
},
{
"@type": "Question",
"name": "Y a-t-il des risques de maladies associées ?",
"position": 23,
"acceptedAnswer": {
"@type": "Answer",
"text": "Oui, les personnes avec des anomalies chromosomiques peuvent avoir un risque accru de certaines maladies."
}
},
{
"@type": "Question",
"name": "Les complications peuvent-elles être traitées ?",
"position": 24,
"acceptedAnswer": {
"@type": "Answer",
"text": "Certaines complications peuvent être gérées avec des traitements médicaux ou des interventions."
}
},
{
"@type": "Question",
"name": "Les personnes atteintes ont-elles besoin de soins continus ?",
"position": 25,
"acceptedAnswer": {
"@type": "Answer",
"text": "Oui, un suivi médical régulier est souvent nécessaire pour gérer les complications à long terme."
}
},
{
"@type": "Question",
"name": "Quels sont les facteurs de risque pour les anomalies chromosomiques ?",
"position": 26,
"acceptedAnswer": {
"@type": "Answer",
"text": "Les facteurs incluent l'âge maternel avancé, des antécédents familiaux et certaines expositions environnementales."
}
},
{
"@type": "Question",
"name": "L'âge des parents influence-t-il les risques ?",
"position": 27,
"acceptedAnswer": {
"@type": "Answer",
"text": "Oui, l'âge avancé des parents, surtout de la mère, augmente le risque d'anomalies chromosomiques."
}
},
{
"@type": "Question",
"name": "Les expositions environnementales sont-elles un risque ?",
"position": 28,
"acceptedAnswer": {
"@type": "Answer",
"text": "Certaines expositions, comme les radiations ou les produits chimiques, peuvent augmenter les risques."
}
},
{
"@type": "Question",
"name": "Les maladies génétiques augmentent-elles les risques ?",
"position": 29,
"acceptedAnswer": {
"@type": "Answer",
"text": "Oui, des antécédents de maladies génétiques dans la famille peuvent accroître le risque d'anomalies."
}
},
{
"@type": "Question",
"name": "Le mode de vie peut-il influencer les risques ?",
"position": 30,
"acceptedAnswer": {
"@type": "Answer",
"text": "Oui, des habitudes comme le tabagisme ou l'alcool peuvent augmenter le risque d'anomalies chromosomiques."
}
}
]
}
]
}
Expert en Médecine, Optimisation des Parcours de Soins et Révision Médicale
Validation scientifique effectuée le 31/03/2025
Contenu vérifié selon les dernières recommandations médicales
└─
Chromosomes humains 1-3
Chromosomes, Human, 1-3
D002900
-
G05.360.162.520.300.235
└─
Chromosomes humains 4-5
Chromosomes, Human, 4-5
D002905
-
G05.360.162.520.300.280
└─
Chromosomes humains 6-12 et X
Chromosomes, Human, 6-12 and X
D002906
-
G05.360.162.520.300.325
└─
Chromosomes humains 13-15
Chromosomes, Human, 13-15
D002901
-
G05.360.162.520.300.370
└─
Chromosomes humains 16-18
Chromosomes, Human, 16-18
D002902
-
G05.360.162.520.300.415
└─
Chromosomes humains 19-20
Chromosomes, Human, 19-20
D002903
-
G05.360.162.520.300.460
└─
Chromosomes humains 21-22 et Y
Chromosomes, Human, 21-22 and Y
D002904
-
G05.360.162.520.300.505
└─└─
Chromosomes humains de la paire 1
Chromosomes, Human, Pair 1
D002878
-
G05.360.162.520.300.235.240
└─└─
Chromosomes humains de la paire 2
Chromosomes, Human, Pair 2
D002889
-
G05.360.162.520.300.235.245
└─└─
Chromosomes humains de la paire 3
Chromosomes, Human, Pair 3
D002893
-
G05.360.162.520.300.235.250
└─└─
Chromosomes humains de la paire 4
Chromosomes, Human, Pair 4
D002894
-
G05.360.162.520.300.280.285
└─└─
Chromosomes humains de la paire 5
Chromosomes, Human, Pair 5
D002895
-
G05.360.162.520.300.280.290
└─└─
Chromosomes humains de la paire 6
Chromosomes, Human, Pair 6
D002896
-
G05.360.162.520.300.325.330
└─└─
Chromosomes humains de la paire 7
Chromosomes, Human, Pair 7
D002897
-
G05.360.162.520.300.325.335
└─└─
Chromosomes humains de la paire 8
Chromosomes, Human, Pair 8
D002898
-
G05.360.162.520.300.325.340
└─└─
Chromosomes humains de la paire 9
Chromosomes, Human, Pair 9
D002899
-
G05.360.162.520.300.325.345
└─└─
Chromosomes humains de la paire 10
Chromosomes, Human, Pair 10
D002879
-
G05.360.162.520.300.325.350
└─└─
Chromosomes humains de la paire 11
Chromosomes, Human, Pair 11
D002880
-
G05.360.162.520.300.325.355
└─└─
Chromosomes humains de la paire 12
Chromosomes, Human, Pair 12
D002881
-
G05.360.162.520.300.325.360
└─└─
Chromosomes humains de la paire 13
Chromosomes, Human, Pair 13
D002882
-
G05.360.162.520.300.370.375
└─└─
Chromosomes humains de la paire 14
Chromosomes, Human, Pair 14
D002883
-
G05.360.162.520.300.370.380
└─└─
Chromosomes humains de la paire 15
Chromosomes, Human, Pair 15
D002884
-
G05.360.162.520.300.370.385
└─└─
Chromosomes humains de la paire 16
Chromosomes, Human, Pair 16
D002885
-
G05.360.162.520.300.415.420
└─└─
Chromosomes humains de la paire 17
Chromosomes, Human, Pair 17
D002886
-
G05.360.162.520.300.415.425
└─└─
Chromosomes humains de la paire 18
Chromosomes, Human, Pair 18
D002887
-
G05.360.162.520.300.415.430
└─└─
Chromosomes humains de la paire 19
Chromosomes, Human, Pair 19
D002888
-
G05.360.162.520.300.460.465
└─└─
Chromosomes humains de la paire 20
Chromosomes, Human, Pair 20
D002890
-
G05.360.162.520.300.460.470
└─└─
Chromosomes humains de la paire 21
Chromosomes, Human, Pair 21
D002891
-
G05.360.162.520.300.505.510
└─└─
Chromosomes humains de la paire 22
Chromosomes, Human, Pair 22
D002892
-
G05.360.162.520.300.505.515
7 publications dans cette catégorie
Affiliations :
Department of Genome Sciences, University of Washington School of Medicine, Seattle, WA, USA.
6 publications dans cette catégorie
Affiliations :
Department of Biomolecular Engineering, University of California Santa Cruz, Santa Cruz, CA, USA.
UC Santa Cruz Genomics Institute, University of California Santa Cruz, Santa Cruz, CA, USA.
5 publications dans cette catégorie
Affiliations :
Genome Informatics Section, Computational and Statistical Genomics Branch, National Human Genome Research Institute, National Institutes of Health, Bethesda, MD, USA.
Publications dans "Chromosomes humains" :
5 publications dans cette catégorie
Affiliations :
Genome Informatics Section, Computational and Statistical Genomics Branch, National Human Genome Research Institute, National Institutes of Health, Bethesda, MD, USA.
Publications dans "Chromosomes humains" :
5 publications dans cette catégorie
Affiliations :
Stowers Institute for Medical Research, Kansas City, MO, USA.
University of Kansas Medical Center, Kansas City, MO, USA.
Publications dans "Chromosomes humains" :
5 publications dans cette catégorie
Affiliations :
Genome Informatics Section, Computational and Statistical Genomics Branch, National Human Genome Research Institute, National Institutes of Health, Bethesda, MD, USA. adam.phillippy@nih.gov.
Publications dans "Chromosomes humains" :
5 publications dans cette catégorie
Affiliations :
Division of Genome and Cellular Functions, Department of Molecular and Cellular Biology, Faculty of Medicine, School of Life Science, Tottori University, 86 Nishi-cho, Yonago, Tottori, 683-8503, Japan. kazuki@tottori-u.ac.jp.
Chromosome Engineering Research Center, Tottori University, 86 Nishi-cho, Yonago, Tottori, 683-8503, Japan. kazuki@tottori-u.ac.jp.
Publications dans "Chromosomes humains" :
4 publications dans cette catégorie
Affiliations :
Department of Genome Sciences, University of Washington School of Medicine, Seattle, WA, USA.
Publications dans "Chromosomes humains" :
4 publications dans cette catégorie
Affiliations :
Stowers Institute for Medical Research, Kansas City, MO, USA.
Publications dans "Chromosomes humains" :
4 publications dans cette catégorie
Affiliations :
Department of Genome Sciences, University of Washington School of Medicine, Seattle, WA, USA.
Investigator, Howard Hughes Medical Institute, University of Washington, Seattle, WA, USA.
Publications dans "Chromosomes humains" :
4 publications dans cette catégorie
Affiliations :
Chromosome Engineering Research Center, Tottori University, 86 Nishi-cho, Yonago, Tottori, 683-8503, Japan.
Publications dans "Chromosomes humains" :
3 publications dans cette catégorie
Affiliations :
Department of Genetics, Genomics and Informatics, University of Tennessee Health Science Center, Memphis, TN, USA.
Publications dans "Chromosomes humains" :
3 publications dans cette catégorie
Affiliations :
Department of Genetics, Genomics and Informatics, University of Tennessee Health Science Center, Memphis, TN, USA.
Genomics Research Centre, Human Technopole, Milan, Italy.
Publications dans "Chromosomes humains" :
3 publications dans cette catégorie
Affiliations :
Department of Genome Sciences, University of Washington School of Medicine, Seattle, WA, USA.
Publications dans "Chromosomes humains" :
3 publications dans cette catégorie
Affiliations :
Department of Data Sciences, Dana-Farber Cancer Institute, Boston, MA, USA.
Department of Biomedical Informatics, Harvard Medical School, Boston, MA, USA.
Publications dans "Chromosomes humains" :
3 publications dans cette catégorie
Affiliations :
Department of Genome Sciences, University of Washington School of Medicine, Seattle, WA, USA.
Publications dans "Chromosomes humains" :
3 publications dans cette catégorie
Affiliations :
Department of Genome Sciences, University of Washington School of Medicine, Seattle, WA, USA.
Publications dans "Chromosomes humains" :
3 publications dans cette catégorie
Affiliations :
Developmental Therapeutics Branch, National Cancer Institute, NIH, Bethesda, MD, 20892, USA.
Publications dans "Chromosomes humains" :
3 publications dans cette catégorie
Affiliations :
Division of Genome and Cellular Functions, Department of Molecular and Cellular Biology, Faculty of Medicine, School of Life Science, Tottori University, 86 Nishi-cho, Yonago, Tottori, 683-8503, Japan. narumi@toyaku.ac.jp.
Chromosome Engineering Research Center, Tottori University, 86 Nishi-cho, Yonago, Tottori, 683-8503, Japan. narumi@toyaku.ac.jp.
Laboratory of Bioengineering, Faculty of Life Sciences, Tokyo University of Pharmacy and Life Sciences, 1432-1 Horinouchi, Hachiohji, Tokyo, 192-0392, Japan. narumi@toyaku.ac.jp.
Publications dans "Chromosomes humains" :
3 publications dans cette catégorie
Affiliations :
Department of Biochemistry and Biophysics, Graduate Program in Biochemistry and Molecular Biophysics, and Epigenetics Institute, Perelman School of Medicine, University of Pennsylvania, Philadelphia, PA 19104, USA.
Publications dans "Chromosomes humains" :
Human chromosome inversions are types of balanced structural variations, making them difficult to analyze. Thanks to PEM (paired-end sequencing and mapping), there has been tremendous progress in stud...
The impact of chromosomal inversions on human brain morphology remains underexplored. We studied 35 common inversions classified from genotypes of 33,018 adults with European ancestry. The inversions ...
Chromosomal inversions are often thought to facilitate local adaptation and population divergence because they can link multiple adaptive alleles into non-recombining genomic blocks. Selection should ...
The structural arrangements of bacterial chromosomes vary widely between closely related species and can result in significant phenotypic outcomes. The appearance of large-scale chromosomal inversions...
This study aimed to evaluate the rates of euploidy, aneuploidy, and mosaicism in preimplantation genetic testing for structural rearrangements (PGT-SR) cycles from chromosomal inversion carriers. In a...
This retrospective review enrolled chromosomal inversion carrier couples of whom the females were under 38 years old undergoing PGT-SR at a single academic reproductive center. Subgroups were divided ...
A total of 71 PGT-SR cycles from 57 inversion carrier couples were included for analysis. Among the 283 blastocysts, 48.4% were identified as euploidy, 27.9% as aneuploidy, and the remaining 23.7% as ...
The type of inversion and sperm parameters of male chromosomal inversion carriers did not affect the ploidy status of embryos. The incidence of parental originating aneuploidy in inversion carrier cou...
Chromosomal rearrangements mostly result from non-allelic homologous recombination mediated by low-copy repeats (LCRs) or segmental duplications (SDs). Recent studies on recombinant chromosome 18 (rec...
Complete trisomy 22 is a rare chromosomal condition that is incompatible with life. However, mosaic trisomy 22 usually has prolonged survival compatibility and may present a good prognosis depending o...
Chromosomal aberrations are as common as 13.8% in the infertile population. The incidence of pericentric inversion of chromosome 9 is approximately 1-3%. However, although these inversions do not alte...
We report a case report of an Arab family with many members with inv(9)(p22q13). Our proband male aged 35 years at time of presentation with primary infertility. Some members, such as a brother aged 3...
inv(9)(p22q13) might be a hereditary anomaly that might be a risk factor for recurrent pregnancy loss in its members....
The evolution of suppressed recombination between sex chromosomes is widely hypothesized to be driven by sexually antagonistic selection (SA), where tighter linkage between the sex-determining gene(s)...
Silver-Russell syndrome (SRS) is a well-known syndrome but with heterogeneous etiologies. We present the case of a child with severe SRS-like features resulting from a complex rearrangement of chromos...