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Marfanoid Habitus-Autosomal Recessive Intellectual Disability Syndrome
Orphanet
Marfanoid habitus – intellectual deficit, autosomal recessive is a very rare multiple congenital anomalies syndrome described in four sibs and characterized by intellectual deficit, flat face and some skeletelal features of Marfan syndrome (see this term) such as tall stature, dolichostenomelia, arm span larger than height, arachnodactyly of hands and feet, little subcutaneous fat, muscle hypotonia and intellectual deficit.
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Mcdonough Syndrome
Orphanet
McDonough syndrome is a rare, multiple congenital anomalies/dysmorphic syndrome characterized by facial dysmorphsim (prominent superciliary arcs, synophrys, strabismus, large, anteverted ears, large nose, malocclusion of teeth), delayed psychomotor development, intellectual disability and congenital heart defects (e.g. pulmonic stenosis, patent ductus arteriosus, atrial septal defect).
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Curly Hair-Acral Keratoderma-Caries Syndrome
Orphanet
Curly hair-acral keratoderma-caries syndrome is an extremely rare ectodermal dysplasia syndrome characterized by premature loss of curly, brittle, dry hair, premature loss of teeth due to caries, nail dystrophy with thickening of the finger- and toe-nails, acral keratoderma and hypohidrosis.
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Lama5-Related Multisystemic Syndrome
Orphanet
A rare genetic systemic or rheumatologic disease characterized by infantile onset of skin anomalies (such as delayed wound healing with atrophic scars and mild alopecia with dry and brittle hair), retinal rod degeneration with night blindness, degenerative myopathy with muscle weakness, myalgia, and cramps, osteoarthritis, joint laxity, prolapse of internal organs, floating kidney syndrome, malabsorption syndrome, and hypothyroidism.
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Macrocephaly-Spastic Paraplegia-Dysmorphism Syndrome
Orphanet
Macrocephaly-spastic paraplegia-dysmorphism syndrome is a rare syndrome of multiple congenital anomalies characterized by macrocephaly (of post-natal onset) with large anterior fontanelle, progressive complex spastic paraplegia, dysmorphic facial features (broad and high forehead, deeply set eyes, short philtrum with thin upper lip, large mouth and prominent incisors), seizures, and intellectual deficit of varying severity.
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Dislocation Of The Hip-Dysmorphism Syndrome
Orphanet
Dislocation of the hip-dysmorphism syndrome is a rare multiple congenital anomalies syndrome characterized by bilateral congenital dislocation of the hip, characteristic facial features (flat mid-face, hypertelorism, epicanthus, puffiness around the eyes, broad nasal bridge, carp-shaped mouth), and joint hyperextensibility.
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Branchiootic Syndrome
Orphanet
Branchiootic syndrome is a rare, genetic multiple congenital anomalies syndrome characterized by second branchial arch anomalies (branchial cysts and fistulae), malformations of the outer, middle and inner ear associated with sensorineural, mixed or conductive hearing loss, and the absence of renal abnormalities.
- Optic Atrophy-Intellectual Disability Syndrome Orphanet
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Porencephaly-Cerebellar Hypoplasia-Internal Malformations Syndrome
Orphanet
Porencephaly-cerebellar hypoplasia-internal malformations syndrome is rare central nervous system malformation syndrome characterized by bilateral porencephaly, absence of the septum pellucidum and cerebellar hypoplasia with absent vermis.
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9p13 Microdeletion Syndrome
Orphanet
9p13 microdeletion syndrome is a rare chromosomal anomaly syndrome, resulting from a partial interstitial deletion of the short arm of chromosome 9, characterized by mild to moderate developmental delay, hand tremors, myoclonic jerks, attention deficit-hyperactivity disorder and a social personality.
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7p22.1 Microduplication Syndrome
Orphanet
7p22.1 microduplication syndrome is a rare chromosomal anomaly syndrome, resulting from a partial interstitial microduplication of the short arm of chromosome 7, characterized by intellectual disability, psychomotor and speech delays, craniofacial dysmorphism (including macrocephaly, frontal bossing, hypertelorism, abnormally slanted palpebral fissures, anteverted nares, low-set ears, microretrognathia) and cryptorchidia.
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Dermotrichic Syndrome
Orphanet
Dermotrichic syndrome is a rare, genetic, ectodermal dysplasia syndrome characterized by skin, hair and nail anomalies (i.e. generalized ichthyosis, congenital alopecia universalis, dystrophic, convex nails), associated with hypohidrosis without hyperthermia, intellectual disability, seizures, and skeletal (e.g. proportionate short stature, platyspondyly) and intestinal (e.g. congenital aganglionic megacolon) anomalies.
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20q11.2 Microduplication Syndrome
Orphanet
20q11.2 microduplication syndrome is a rare chromosomal anomaly syndrome, due to partial duplication of the long arm of chromosome 20, characterized by psychomotor and developmental delay, moderate intellectual disability, metopic ridging/trigonocephaly, short hands and/or feet and distinctive facial features (epicanthus, hypoplastic supraorbital ridges, horizontal/downslanting palpebral fissures, small nose with depressed nasal bridge and anteverted nostrils, prominent cheeks, retrognathia and small, thick ears).
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X-Linked Intellectual Disability-Hypogonadism-Ichthyosis-Obesity-Short Stature Syndrome
Orphanet
X-linked intellectual disability-hypogonadism-ichthyosis-obesity-short stature syndrome is a rare X-linked intellectual disability syndrome characterized by intellectual disability associated with short stature, obesity, primary hypogonadism and an ichthyosiform skin condition.
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X-Linked Intellectual Disability-Craniofacioskeletal Syndrome
Orphanet
X-linked intellectual disability-craniofacioskeletal syndrome is a rare, hereditary, syndromic intellectual disability characterized by craniofacial and skeletal abnormalities in association with mild intellectual disability in females and early postnatal lethality in males.
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Heart-Hand Syndrome, Slovenian Type
Orphanet
Heart-hand syndrome of Slovenian type is a rare autosomal dominant form of heart-hand syndrome (see this term), first described in members of a Slovenian family, that is characterized by adult onset, progressive cardiac conduction disease, tachyarrhythmias that can lead to sudden death, dilated cardiomyopathy and brachydactyly, with the hands less severely affected than the feet.
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Ddx41-Related Hematologic Malignancy Predisposition Syndrome
Orphanet
A rare inherited cancer-predisposing syndrome characterized by adult onset of hematologic malignancies mainly affecting the myeloid lineage (such as myelodysplastic syndrome and/or acute myeloid leukemia), less frequently lymphoid malignancies.
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2q23.1 Microduplication Syndrome
Orphanet
2q23.1 microduplication syndrome is a rare chromosomal anomaly syndrome, resulting from the partial duplication of the long arm of chromosome 2, primarily characterized by global developmental delay, hypotonia, autistic-like features and behavioural problems.
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1q44 Microdeletion Syndrome
Orphanet
1q44 microdeletion syndrome is a newly described syndrome associated with facial dysmorphism, developmental delay, in particular of expressive speech, seizures and hypotonia.
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X-Linked Microcephaly-Growth Retardation-Prognathism-Cryptorchidism Syndrome
Orphanet
X-linked microcephaly-growth retardation-prognathism-cryptorchidism syndrome is a rare syndromic intellectual disability characterized by hypotonia, microcephaly, severe developmental delay, seizures, intellectual disability, growth retardation, cardiovascular septal defects, cryptorchidism, hypospadias, and dysmorphic features - prominent ears, prognathism, thin upper lip, dental crowding.