Diagnosis
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| Seaver Cassidy syndrome | |
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| Other names | Facial dysmorphism-shawl scrotum-joint laxity syndrome |
Seaver Cassidy syndrome is a very rare disorder characterized by certain facial, genital, and skeletal deformities, as well as an unusual susceptibility to bleeding. [1] Seaver Cassidy syndrome was first described in 1991 by Laurie Seaver and Suzanne Cassidy. [2]
Signs of Seaver Cassidy syndrome include several facial disorders, including hypertelorism and telecanthus, epicanthal folds, downslanting palpebral fissures, ptosis, a broad nasal bridge, malar hypoplasia, a thin upper lip, a smooth philtrum, and low-set, prominent ears. Males with Seaver Cassidy syndrome may also experience an underdeveloped shawl scrotum and cryptorchidism. Skeletal anomalies, such genu valgum, hyperextended joints, or cubitus valgus, may also be present. [2]
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Jackson–Weiss syndrome (JWS) is a genetic disorder characterized by foot abnormalities and the premature fusion of certain bones of the skull (craniosynostosis), which prevents further growth of the skull and affects the shape of the head and face. This genetic disorder can also sometimes cause intellectual disability and crossed eyes. It was characterized in 1976.
The palpebral fissure is the elliptic space between the medial and lateral canthi of the two open eyelids. In simple terms, it is the opening between the eyelids. In adult humans, this measures about 10 mm vertically and 30 mm horizontally.
Aarskog–Scott syndrome (AAS) is a rare disease inherited as X-linked and characterized by short stature, facial abnormalities, skeletal and genital anomalies. This condition mainly affects males, although females may have mild features of the syndrome.
3C syndrome is a rare condition whose symptoms include heart defects, cerebellar hypoplasia, and cranial dysmorphism. It was first described in the medical literature in 1987 by Ritscher and Schinzel, for whom the disorder is sometimes named.
Franceschetti–Klein syndrome is a syndrome that includes palpebral antimongoloid fissures, hypoplasia of the facial bones, macrostomia, vaulted palate, malformations of both the external and internal ear, buccal-auricular fistula, abnormal development of the neck with stretching of the cheeks, accessory facial fissures, and skeletal deformities.It is sometimes equated with Treacher Collins syndrome.
Miller syndrome, also known as Genée–Wiedemann syndrome, Wildervanck–Smith syndrome or postaxial acrofacial dysostosis, is an extremely rare genetic condition that manifests as craniofacial, limb and eye deformities. It is caused by a mutation in the DHODH gene. The incidence of the condition is not known, and nothing is known of its pathogenesis.
Roberts syndrome, or sometimes called pseudothalidomide syndrome, is an extremely rare autosomal recessive genetic disorder that is characterized by mild to severe prenatal retardation or disruption of cell division, leading to malformation of the bones in the skull, face, arms, and legs.
Malpuech facial clefting syndrome, also called Malpuech syndrome or Gypsy type facial clefting syndrome, is a rare congenital syndrome. It is characterized by facial clefting, a caudal appendage, growth deficiency, intellectual and developmental disability, and abnormalities of the renal system (kidneys) and the male genitalia. Abnormalities of the heart, and other skeletal malformations may also be present. The syndrome was initially described by Georges Malpuech and associates in 1983. It is thought to be genetically related to Juberg-Hayward syndrome. Malpuech syndrome has also been considered as part of a spectrum of congenital genetic disorders associated with similar facial, urogenital and skeletal anomalies. Termed "3MC syndrome", this proposed spectrum includes Malpuech, Michels and Mingarelli-Carnevale (OSA) syndromes. Mutations in the COLLEC11 and MASP1 genes are believed to be a cause of these syndromes. The incidence of Malpuech syndrome is unknown. The pattern of inheritance is autosomal recessive, which means a defective (mutated) gene associated with the syndrome is located on an autosome, and the syndrome occurs when two copies of this defective gene are inherited.
Sotos syndrome is a rare genetic disorder characterized by excessive physical growth during the first years of life. Excessive growth often starts in infancy and continues into the early teen years. The disorder may be accompanied by autism, mild intellectual disability, delayed motor, cognitive, and social development, hypotonia, and speech impairments. Children with Sotos syndrome tend to be large at birth and are often taller, heavier, and have relatively large skulls (macrocephaly) than is normal for their age. Signs of the disorder, which vary among individuals, include a disproportionately large skull with a slightly protrusive forehead, large hands and feet, large mandible, hypertelorism, and downslanting eyes. Clumsiness, an awkward gait, and unusual aggressiveness or irritability may also occur.
Goldberg–Shprintzen is a very rare connective tissue condition associated with mutations in KIAA1279 gene which encodes KIF-binding protein (KBP), a protein that may interact with microtubules and actin filaments. KBP may play a key role in cytoskeleton formation and neurite growth.
13q deletion syndrome is a rare genetic disease caused by the deletion of some or all of the large arm of human chromosome 13. Depending upon the size and location of the deletion on chromosome 13, the physical and mental manifestations will vary. It has the potential to cause intellectual disability and congenital malformations that affect a variety of organ systems. Because of the rarity of the disease in addition to the variations in the disease, the specific genes that cause this disease are unknown. This disease is also known as:
Pascual-Castroviejo syndrome type 1 is a rare autosomal recessive condition characterized by facial dysmorphism, cognitive impairment and skeletal anomalies.
Kozlowski-Krajewska syndrome, also known as intellectual disability-polydactyly-uncombable hair syndrome is a multi-systemic genetic disorder which is characterized by intellectual disability, abnormalities in the fingers and toes, uncombable hair and facial dysmorphia.
Viljoen Kallis Voges syndrome, also known as microcephaly-brachydactyly-kyphoscoliosis syndrome, is a very rare genetic disorder which is characterized by severe intellectual disabilities, microcephaly, low height, brachydactyly type D, flat occiput, down-slanting palpebral fissures, low-set prominent ears, a broad nose, and kyphoscoliosis.
Acro-oto-radial syndrome, also known as Pseudopapilledema blepharophimosis hand anomalies syndrome is a very rare hereditary disorder which is characterized by pseudopapilledema, hearing loss, cranio-facial dysmorphisms and hand/foot anomalies. Unlike other genetic syndromes, people with this syndrome don't exhibit intellectual disabilities. Only 4 cases have been reported in medical literature.
Acrocraniofacial dysostosis, also known as Kaplan Plauchu Fitch syndrome is a very rare hereditary disorder which is characterized by cranio-facial dysmorphisms, hearing loss, digital clubbing, and osseous anomalies. Only 2 cases have been described in medical literature.
Cardiospondylocarpofacial syndrome is a very rare genetic disorder which is characterized by cardiac, digital, osseous anomalies with facial dysmorphisms
Holoprosencephaly-ectrodactyly-cleft lip/palate syndrome, also simply known as Hartsfield syndrome, is a rare genetic disorder characterized by the presence of variable holoprosencephaly, ectrodactyly, cleft lip and palate, alongside generalized ectodermal abnormalities. Additional findings include endocrine anomalies and developmental delays.
SOFT syndrome, also known for the name its acronym originates from: Short stature-onychodysplasia-facial dysmorphism-hypotrichosis syndrome, is a rare genetic disorder characterized by the presence of short stature, underdeveloped nails, facial dysmorphisms, and hair sparcity across the body. It is caused by homozygous, autosomal recessive mutations in the POC1A gene, located in the short arm of chromosome 3. Fewer than 15 cases have been described in the medical literature.
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