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91431006: Supernumerary structure (morphologic abnormality)

Status: current, Not sufficiently defined by necessary conditions definition status (core metadata concept). Date: 31-Jan 2002. Module: SNOMED CT core

Descriptions:

Id Description Lang Type Status Case? Module
151467011 Supernumerary structure en Synonym (core metadata concept) Active Entire term case insensitive (core metadata concept) SNOMED CT core
151471014 Accessory structure en Synonym (core metadata concept) Active Entire term case insensitive (core metadata concept) SNOMED CT core
151472019 Accessory organ en Synonym (core metadata concept) Active Entire term case insensitive (core metadata concept) SNOMED CT core
834745011 Supernumerary structure (morphologic abnormality) en Fully specified name Active Entire term case insensitive (core metadata concept) SNOMED CT core

2 descendants. Search Descendants:

Expanded Value Set

Outbound Relationships Type Target Active Characteristic Refinability Group Values
Supernumerary structure Is a anomalie congénitale false Inferred relationship Some
Supernumerary structure Is a Congenital malformation false Inferred relationship Some
Supernumerary structure Is a anomalie du développement false Inferred relationship Some
Supernumerary structure Is a Morphologically abnormal structure true Inferred relationship Some
Inbound Relationships Type Active Source Characteristic Refinability Group
A rare congenital limb malformation characterized by duplication of the fifth digit in a hand or foot, the sixth digit being rudimentary, poorly developed, and non-functional, frequently consisting of additional soft tissue on a pedicle. The anomaly can be unilateral or bilateral. Associated morphology False Supernumerary structure Inferred relationship Some 4
Holoprosencephaly-postaxial polydactyly syndrome associates, in chromosomally normal neonates, holoprosencephaly, severe facial dysmorphism, postaxial polydactyly and other congenital abnormalities, suggestive of trisomy 13. Associated morphology False Supernumerary structure Inferred relationship Some 3
Bilateral hypoplasia of tibia and postaxial polydactyly syndrome (disorder) Associated morphology False Supernumerary structure Inferred relationship Some 3
Radial hypoplasia-triphalangeal thumbs-hypospadias-maxillary diastema syndrome is characterized by symmetric, nonopposable triphalangeal thumbs and radial hypoplasia. It has been described in eight patients (five females and three males) spanning generations of a family. The affected males also presented with hypospadias. The syndrome is inherited as an autosomal dominant trait. Associated morphology False Supernumerary structure Inferred relationship Some 9
Supernumerary nostril is an extremely rare congenital malformation characterized by the presence of one or more accessory nostrils, with or without accessory cartilage, located medially, above, below or laterally to the other nostrils. Unlike in polyrhinia there is no duplication of the nasal septum/cavity. Supernumerary nostril is often associated with other congenital malformations usually of face. Associated morphology True Supernumerary structure Inferred relationship Some 1
Polydactyly of a triphalangeal thumb or PPD2 is a form of preaxial polydactyly of fingers, a limb malformation syndrome, that is characterized by the presence of a usually opposable triphalangeal thumb with or without additional duplication of one or more skeletal components of the thumb. The thumb appearance can differ widely in shape (wedge to rectangular) or it can be deviated in the radio-ulnar plane (clinodactyly). PPD2 is also associated with systemic syndromes, including Holt-Oram syndrome and Fanconi anemia. Associated morphology True Supernumerary structure Inferred relationship Some 1
Radial hypoplasia-triphalangeal thumbs-hypospadias-maxillary diastema syndrome is characterized by symmetric, nonopposable triphalangeal thumbs and radial hypoplasia. It has been described in eight patients (five females and three males) spanning generations of a family. The affected males also presented with hypospadias. The syndrome is inherited as an autosomal dominant trait. Associated morphology False Supernumerary structure Inferred relationship Some 1
A rare genetic syndrome with limb duplication, polydactyly, syndactyly, and/or hyperphalangy characterized by duplication anomalies such as triphalangeal thumbs, phalangeal duplication of other digits, and polydactyly, associated with highly variable combinations of ectrodactyly, brachydactyly, and syndactyly of hands and/or feet. Severe nail dysplasia or absence of nails is also observed. Associated morphology True Supernumerary structure Inferred relationship Some 2
A rare genetic syndrome with limb duplication, polydactyly, syndactyly, and/or hyperphalangy characterized by duplication anomalies such as triphalangeal thumbs, phalangeal duplication of other digits, and polydactyly, associated with highly variable combinations of ectrodactyly, brachydactyly, and syndactyly of hands and/or feet. Severe nail dysplasia or absence of nails is also observed. Associated morphology False Supernumerary structure Inferred relationship Some 3
Triphalangeal thumb and polysyndactyly syndrome (disorder) Associated morphology False Supernumerary structure Inferred relationship Some 3
Oliver syndrome is a very rare syndrome characterized by intellectual deficit, postaxial polydactyly, and epilepsy. Associated morphology False Supernumerary structure Inferred relationship Some 3
A rare multiple congenital anomalies/dysmorphic syndrome characterized by intrauterine growth retardation, multiple congenital malformations (such as brain malformations including ectopic neuro-pituitary gland, hypoplastic adenopituitary, and hypoplastic cerebellar vermis, cardiac and renal anomalies, and postaxial polydactyly), abnormal hair structure with temporal balding, and dysmorphic facial features with hypoplastic nasal bridge, anteverted nostrils, dysplastic ears, long and smooth philtrum, narrow upper lip, and prominent, asymmetric lower lip. Postnatal growth retardation and severe developmental delay have also been reported. Associated morphology False Supernumerary structure Inferred relationship Some 4
A rare genetic disease characterized by the presence of Müllerian duct derivatives (rudimentary uterus, fallopian tubes, and atretic vagina) and other genital anomalies (cryptorchidism, micropenis) in male newborns, intestinal and pulmonary lymphangiectasia, protein-losing enteropathy, hepatomegaly, and renal anomalies. Postaxial polydactyly, facial dysmorphism (including broad nasal bridge, bulbous nasal tip, long and prominent upper lip with smooth philtrum, hypertrophic alveolar ridges, and mild retrognathia, among other features), and short limbs have also been described. The syndrome is fatal in infancy. Associated morphology False Supernumerary structure Inferred relationship Some 5
Guttmacher syndrome is an extremely rare syndrome characterized by hypoplastic thumbs and halluces, 5th finger clinobrachydactyly, postaxial polydactyly of the hands, short or uniphalangeal 2nd toes with absent nails and hypospadias. Associated morphology False Supernumerary structure Inferred relationship Some 6
Hirschsprung disease-deafness-polydactyly syndrome is an extremely rare malformative association, described in only two siblings to date, characterized by Hirschsprung disease (defined by the presence of an aganglionic segment of variable extent in the terminal part of the colon that leads to symptoms of intestinal obstruction, including constipation and abdominal distension), polydactyly of hands and/or feet, unilateral renal agenesis, hypertelorism and congenital deafness. There have been no further descriptions in the literature since 1988. Associated morphology False Supernumerary structure Inferred relationship Some 10
A rare congenital limb malformation characterized by duplication of the fifth digit in a hand or foot, with an extra, well-formed, functional digit at the metacarpophalangeal/metatarsophalangeal or carpometacarpal/tarsometatarsal joint. The malformation can be an isolated finding or be associated with a large number of other anomalies. Associated morphology True Supernumerary structure Inferred relationship Some 1
A rare congenital limb malformation characterized by duplication of the fifth digit in a hand or foot, the sixth digit being rudimentary, poorly developed, and non-functional, frequently consisting of additional soft tissue on a pedicle. The anomaly can be unilateral or bilateral. Associated morphology True Supernumerary structure Inferred relationship Some 1
Polydactyly of an index finger or PPD3 is a form of preaxial polydactyly of fingers, a limb malformation syndrome, where the thumb is replaced by one or two triphalangeal digits with dermatoglyphic pattern specific of the index finger. Two forms of PPD3 have been characterized: unilateral and bilateral. There have been no further descriptions in the literature since 1962. Associated morphology True Supernumerary structure Inferred relationship Some 1
Accessory left tarsal navicular bone (disorder) Associated morphology True Supernumerary structure Inferred relationship Some 1
Accessory right tarsal navicular bone (disorder) Associated morphology True Supernumerary structure Inferred relationship Some 1
Polydactyly of biphalangeal thumb (disorder) Associated morphology True Supernumerary structure Inferred relationship Some 1
A rare ciliopathy with major skeletal involvement characterized by short ribs with an extremely narrow thorax, very short limbs, absent or very small fibulae, severe metaphyseal dysplasia of tubular bones, post-axial polydactyly, and defective ossification in the calvaria, vertebrae, pelvis, and bones of the hands and feet. Congenital anomalies of multiple other organs have also been described, such as polycystic kidneys, transposition of the great vessels, and atretic lesions of the gastrointestinal and genitourinary tract. Hydrops fetalis may be observed at an early gestational age. Associated morphology False Supernumerary structure Inferred relationship Some 8
A rare, genetic, multiple congenital anomalies/dysmorphic syndrome characterized by congenital, total, cortical blindness, intellectual disability, postaxial polydactyly of the hands and feet, pre- and postnatal growth delay, psychomotor developmental retardation, and mild facial dysmorphism (including prominent forehead, short nose, long philtrum, high-arched palate, and microretrognathia). Recurrent respiratory and intestinal infections, as well as moderate hypertonia and hyperreflexia, are also associated. There have been no further descriptions in the literature since 1985. Associated morphology False Supernumerary structure Inferred relationship Some 5
Tibia absent - polydactyly - arachnoid cyst syndrome is a very rare constellation of multiple anomalies, including absence or hypoplasia of the tibia. Associated morphology True Supernumerary structure Inferred relationship Some 3
Tibia absent - polydactyly - arachnoid cyst syndrome is a very rare constellation of multiple anomalies, including absence or hypoplasia of the tibia. Associated morphology False Supernumerary structure Inferred relationship Some 4
Triphalangeal thumb and dislocation of patella syndrome (disorder) Associated morphology False Supernumerary structure Inferred relationship Some 2
Polydactyly-myopia syndrome is an exceedingly rare autosomal dominant developmental anomaly reported in 1986 in nine individuals among four generations of the same family. The syndrome is characterized clinically by four-limb postaxial polydactyly and progressive myopia. There have been no further descriptions in the literature since 1986. Associated morphology True Supernumerary structure Inferred relationship Some 2
A rare multiple congenital anomalies/dysmorphic syndrome characterized by intellectual disability, growth retardation, unilateral preaxial polydactyly, and colobomatous anomalies (including coloboma of the iris, optic nerve head, choroid, and retina). There have been no further descriptions in the literature since 1987. Associated morphology False Supernumerary structure Inferred relationship Some 3
A syndromic disorder with, as a major feature, the association between Dandy-Walker malformation and postaxial polydactyly. The Dandy-Walker malformation has a variable expression and is characterized by a posterior fossa cyst communicating with the fourth ventricle, the partial or complete absence of the cerebellar vermis, and facultative hydrocephalus. Postaxial polydactyly includes tetramelic postaxial polydactyly of hands and feet with possible enlargement of the fifth metacarpal and metatarsal bones, as well as bifid fifth metacarpals. Associated morphology False Supernumerary structure Inferred relationship Some 7
A rare multiple congenital anomalies/dysmorphic syndrome characterized by intellectual disability, growth retardation, unilateral preaxial polydactyly, and colobomatous anomalies (including coloboma of the iris, optic nerve head, choroid, and retina). There have been no further descriptions in the literature since 1987. Associated morphology True Supernumerary structure Inferred relationship Some 2
Hyperphalangy is a congenital, non-syndromic limb malformation characterized by the presence of an accessory phalanx between metacarpal/metatarsal and proximal phalanx, or between any two other phalanges of a digit, excluding the thumb. Hyperphalangy is almost always bilateral, and patients present no more than five digits and no other skeletal anomalies. Associated morphology True Supernumerary structure Inferred relationship Some 1
Polysyndactyly syndrome Associated morphology False Supernumerary structure Inferred relationship Some 1
Polysyndactyly Associated morphology False Supernumerary structure Inferred relationship Some 1
Laurin-Sandrow syndrome (LSS) is characterized by complete polysyndactyly of the hands, mirror feet and nose anomalies (hypoplasia of the nasal alae and short columella), often associated with ulnar and/or fibular duplication (and sometimes tibial agenesis). It has been described in less than 20 cases. Some cases with the same clinical signs but without nasal defects have also been reported and may represent the same entity. The etiology of LSS is unknown. Different modes of inheritance have been suggested. Associated morphology False Supernumerary structure Inferred relationship Some 1
A rare, life-threatening developmental defect during embryogenesis characterized by polysyndactyly of fingers and toes as well as complex congenital heart defects (e.g. atrioventricular septal defects, aortic dextroposition, single ventricle, hypo- or hypertrophy of one side of the heart). Additional features may include dysmorphic traits (large fontanel, high forehead, ptosis, hypertelorism, epicanthus, low-set malformed ears, prominent root of the nose, bulbous nose, anteverted nares, long and smooth philtrum, thin upper lip, micrognathism, hirsutism, single transverse crease) nail hypoplasia, phalange agenesis/hypoplasia, flexion contractures, polysplenia, multiple hepatic/renal cysts, atrophic biliary vesicle, ductal plate malformation and genital anomalies (e.g. micropenis, undescended testes, hypoplastic scrotum). The syndrome is usually fatal in utero or in infancy, but survival cases have been reported. Associated morphology False Supernumerary structure Inferred relationship Some 1
Intellectual disability-polydactyly-uncombable hair syndrome is a multiple congenital anomalies/dysmorphic syndrome characterized by intellectual disability, postaxial polydactyly, phalangeal hypoplasia, 2-3 toe syndactyly, uncombable hair and facial dysmorphism (including frontal bossing, hypotelorism, narrow palpebral fissures, nasal bridge and lips, prominent nasal root, large abnormal ears with prominent antihelix, poorly folded helix, underdeveloped lobule and antitragus, and micrognathia evolving into prognathism). Cryptorchidism, conductive hearing loss and progressive thoracic kyphosis were also reported. Associated morphology True Supernumerary structure Inferred relationship Some 1
Familial supernumerary nipple is a rare breast malformation characterized by the presence, in various members of a single family, of one or more nipple(s) and/or their related tissue, in addition to the normal bilateral chest nipples. The anomaly is usually situated along the embryonic milk line, from axillae to inguinal regions, but other locations are also possible. Association with dental abnormalities, Becker nevus, renal or underlying breast tissue malignancy and genitourinary malformations have been reported. Associated morphology True Supernumerary structure Inferred relationship Some 1
A rare, hereditary, congenital limb malformation characterized by polydactyly with crossed involvement of hands and feet with no other associated malformations or anomalies. Patients present with a combination of unilateral or bilateral preaxial polydactyly of hands with postaxial polydactyly of feet or postaxial polydactyly of hands with preaxial polydactyly of feet. Additional manifestations include bilateral cutaneous syndactyly of first, second and third toes and occasionally cutaneous syndactyly of hands. Associated morphology True Supernumerary structure Inferred relationship Some 1
Ectrodactyly-polydactyly syndrome is a rare, genetic, congenital limb malformation disorder characterized by hypoplasia or absence of central digital rays of the hands and/or feet and the presence of one or more, unilateral or bilateral, supernumerary digits on postaxial rays, ranging from hypoplastic digits devoid of osseous structures to complete duplication of a digit. Cutaneous syndactyly, symphalangism and clinodactyly have also been reported. There have been no further descriptions in the literature since 1982. Associated morphology True Supernumerary structure Inferred relationship Some 3
Hallux varus-preaxial polysyndactyly syndrome is a rare, genetic, congenital limb malformation disorder characterized by bilateral medial displacement of the hallux and preaxial polysyndactyly of the first toes. Radiographs show broad, shortened, misshapen first metatarsals and may associate incomplete or complete duplication of proximal phalanges and duplication or triplication of distal phalanges. There have been no further descriptions in the literature since 1980. Associated morphology True Supernumerary structure Inferred relationship Some 2
Radial hypoplasia-triphalangeal thumbs-hypospadias-maxillary diastema syndrome is characterized by symmetric, nonopposable triphalangeal thumbs and radial hypoplasia. It has been described in eight patients (five females and three males) spanning generations of a family. The affected males also presented with hypospadias. The syndrome is inherited as an autosomal dominant trait. Associated morphology False Supernumerary structure Inferred relationship Some 4
Guttmacher syndrome is an extremely rare syndrome characterized by hypoplastic thumbs and halluces, 5th finger clinobrachydactyly, postaxial polydactyly of the hands, short or uniphalangeal 2nd toes with absent nails and hypospadias. Associated morphology True Supernumerary structure Inferred relationship Some 1
Polysyndactyly Associated morphology True Supernumerary structure Inferred relationship Some 2
Cleft hand with polydactyly Associated morphology True Supernumerary structure Inferred relationship Some 2
A rare disorder characterized by mirror polydactyly, vertebral hypersegmentation and severe congenital limb deficiencies. Duodenal atresia and absent thymus were also reported. So far, it has been described in four unrelated infants identified through a congenital malformation screening program carried out in Spain. The prevalence was estimated at around 1 in 330,000. The etiology is unknown but it was suggested that the syndrome is caused by defective expression of a developmental control gene. Associated morphology True Supernumerary structure Inferred relationship Some 1
Short rib-polydactyly syndrome, Majewski type Associated morphology True Supernumerary structure Inferred relationship Some 2
A syndromic disorder with, as a major feature, the association between Dandy-Walker malformation and postaxial polydactyly. The Dandy-Walker malformation has a variable expression and is characterized by a posterior fossa cyst communicating with the fourth ventricle, the partial or complete absence of the cerebellar vermis, and facultative hydrocephalus. Postaxial polydactyly includes tetramelic postaxial polydactyly of hands and feet with possible enlargement of the fifth metacarpal and metatarsal bones, as well as bifid fifth metacarpals. Associated morphology True Supernumerary structure Inferred relationship Some 1
A rare, life-threatening developmental defect during embryogenesis characterized by polysyndactyly of fingers and toes as well as complex congenital heart defects (e.g. atrioventricular septal defects, aortic dextroposition, single ventricle, hypo- or hypertrophy of one side of the heart). Additional features may include dysmorphic traits (large fontanel, high forehead, ptosis, hypertelorism, epicanthus, low-set malformed ears, prominent root of the nose, bulbous nose, anteverted nares, long and smooth philtrum, thin upper lip, micrognathism, hirsutism, single transverse crease) nail hypoplasia, phalange agenesis/hypoplasia, flexion contractures, polysplenia, multiple hepatic/renal cysts, atrophic biliary vesicle, ductal plate malformation and genital anomalies (e.g. micropenis, undescended testes, hypoplastic scrotum). The syndrome is usually fatal in utero or in infancy, but survival cases have been reported. Associated morphology True Supernumerary structure Inferred relationship Some 3
Torsion of accessory fallopian tube Associated morphology True Supernumerary structure Inferred relationship Some 1
A rare ciliopathy with major skeletal involvement characterized by short ribs with an extremely narrow thorax, very short limbs, absent or very small fibulae, severe metaphyseal dysplasia of tubular bones, post-axial polydactyly, and defective ossification in the calvaria, vertebrae, pelvis, and bones of the hands and feet. Congenital anomalies of multiple other organs have also been described, such as polycystic kidneys, transposition of the great vessels, and atretic lesions of the gastrointestinal and genitourinary tract. Hydrops fetalis may be observed at an early gestational age. Associated morphology True Supernumerary structure Inferred relationship Some 1
Holoprosencephaly-postaxial polydactyly syndrome associates, in chromosomally normal neonates, holoprosencephaly, severe facial dysmorphism, postaxial polydactyly and other congenital abnormalities, suggestive of trisomy 13. Associated morphology True Supernumerary structure Inferred relationship Some 1
Bilateral hypoplasia of tibia and postaxial polydactyly syndrome (disorder) Associated morphology True Supernumerary structure Inferred relationship Some 1
A rare, genetic, multiple congenital anomalies/dysmorphic syndrome characterized by congenital, total, cortical blindness, intellectual disability, postaxial polydactyly of the hands and feet, pre- and postnatal growth delay, psychomotor developmental retardation, and mild facial dysmorphism (including prominent forehead, short nose, long philtrum, high-arched palate, and microretrognathia). Recurrent respiratory and intestinal infections, as well as moderate hypertonia and hyperreflexia, are also associated. There have been no further descriptions in the literature since 1985. Associated morphology True Supernumerary structure Inferred relationship Some 2
Triphalangeal thumb and polysyndactyly syndrome (disorder) Associated morphology True Supernumerary structure Inferred relationship Some 1
Laurin-Sandrow syndrome (LSS) is characterized by complete polysyndactyly of the hands, mirror feet and nose anomalies (hypoplasia of the nasal alae and short columella), often associated with ulnar and/or fibular duplication (and sometimes tibial agenesis). It has been described in less than 20 cases. Some cases with the same clinical signs but without nasal defects have also been reported and may represent the same entity. The etiology of LSS is unknown. Different modes of inheritance have been suggested. Associated morphology True Supernumerary structure Inferred relationship Some 2
A rare multiple congenital anomalies/dysmorphic syndrome characterized by intrauterine growth retardation, multiple congenital malformations (such as brain malformations including ectopic neuro-pituitary gland, hypoplastic adenopituitary, and hypoplastic cerebellar vermis, cardiac and renal anomalies, and postaxial polydactyly), abnormal hair structure with temporal balding, and dysmorphic facial features with hypoplastic nasal bridge, anteverted nostrils, dysplastic ears, long and smooth philtrum, narrow upper lip, and prominent, asymmetric lower lip. Postnatal growth retardation and severe developmental delay have also been reported. Associated morphology True Supernumerary structure Inferred relationship Some 3
A rare non-syndromic syndactyly characterized by a distinctive combination of syndactyly and polydactyly, generally affecting the 3rd and 4th fingers and the 4th and 5th toes, bilaterally, with partial or complete reduplication of a digital ray within the syndactylous web. Additional features include 5th finger clinodactyly, camptodactyly and/or brachydactyly. Associated morphology True Supernumerary structure Inferred relationship Some 1
Oliver syndrome is a very rare syndrome characterized by intellectual deficit, postaxial polydactyly, and epilepsy. Associated morphology True Supernumerary structure Inferred relationship Some 1
Triphalangeal thumb and dislocation of patella syndrome (disorder) Associated morphology True Supernumerary structure Inferred relationship Some 1
A rare genetic disease characterized by the presence of Müllerian duct derivatives (rudimentary uterus, fallopian tubes, and atretic vagina) and other genital anomalies (cryptorchidism, micropenis) in male newborns, intestinal and pulmonary lymphangiectasia, protein-losing enteropathy, hepatomegaly, and renal anomalies. Postaxial polydactyly, facial dysmorphism (including broad nasal bridge, bulbous nasal tip, long and prominent upper lip with smooth philtrum, hypertrophic alveolar ridges, and mild retrognathia, among other features), and short limbs have also been described. The syndrome is fatal in infancy. Associated morphology True Supernumerary structure Inferred relationship Some 3
Hirschsprung disease-deafness-polydactyly syndrome is an extremely rare malformative association, described in only two siblings to date, characterized by Hirschsprung disease (defined by the presence of an aganglionic segment of variable extent in the terminal part of the colon that leads to symptoms of intestinal obstruction, including constipation and abdominal distension), polydactyly of hands and/or feet, unilateral renal agenesis, hypertelorism and congenital deafness. There have been no further descriptions in the literature since 1988. Associated morphology True Supernumerary structure Inferred relationship Some 1
Triplication of appendix Associated morphology True Supernumerary structure Inferred relationship Some 1
Postaxial polydactyly-dental and vertebral anomalies syndrome is a rare, genetic, developmental defect during embryogenesis syndrome characterized by postaxial polydactyly and other abnormalities of the hands and feet (e.g. brachydactyly, broad toes), hypoplasia and fusion of the vertebral bodies, as well as dental abnormalities (fused teeth, macrodontia, hypodontia, short roots). There have been no further descriptions in the literature since 1977. Associated morphology True Supernumerary structure Inferred relationship Some 3
Accessory bilateral tarsal navicular bones (disorder) Associated morphology True Supernumerary structure Inferred relationship Some 1
Accessory bilateral tarsal navicular bones (disorder) Associated morphology True Supernumerary structure Inferred relationship Some 2
Accessory bilateral ribs (disorder) Associated morphology True Supernumerary structure Inferred relationship Some 2
Accessory bilateral ribs (disorder) Associated morphology True Supernumerary structure Inferred relationship Some 1
Accessory tarsal bone of right foot (disorder) Associated morphology True Supernumerary structure Inferred relationship Some 1
Accessory auricle of right ear Associated morphology True Supernumerary structure Inferred relationship Some 1
Accessory auricle of left ear (disorder) Associated morphology True Supernumerary structure Inferred relationship Some 1
Accessory tarsal bone of left foot (disorder) Associated morphology True Supernumerary structure Inferred relationship Some 1
A rare, genetic, multiple congenital anomalies syndrome characterized by congenital heart defects (e.g. coarctation of the aorta with or without atrioventricular canal and subaortic stenosis), associated with tongue hamartomas, postaxial hand polydactyly and toe syndactyly. Associated morphology True Supernumerary structure Inferred relationship Some 4
A rare, genetic, congenital limb malformation syndrome characterized by bilateral short broad thumbs, short deviated index fingers, clinodactyly of the fifth fingers, broad, valgus-deviated halluces and laterally-deviated, overlapping second toe, associated with severe pectus excavatum and craniofacial dysmorphism (including brachycephaly, low anterior hairline, flat supraorbital ridges, telecanthus, upslanting palpebral fissures, maxillary hypoplasia, posteriorly rotated ears, microsomia and micrognathia). Radiological findings include thumb, index, and middle finger hyperphalangy, with severe delta phalanxes in affected fingers and halluces. Associated morphology True Supernumerary structure Inferred relationship Some 4
A rare, genetic, congenital limb malformation syndrome characterized by complete cutaneous syndactyly between toes 1-2, ulnar polydactyly (ranging from nubbins to an almost complete additional finger) and earlobe malformations. Additionally, abnormalities along the medial border of the foot are observed on X-ray imaging. There have been no further descriptions in the literature since 1976. Associated morphology True Supernumerary structure Inferred relationship Some 4
Radial hypoplasia-triphalangeal thumbs-hypospadias-maxillary diastema syndrome is characterized by symmetric, nonopposable triphalangeal thumbs and radial hypoplasia. It has been described in eight patients (five females and three males) spanning generations of a family. The affected males also presented with hypospadias. The syndrome is inherited as an autosomal dominant trait. Associated morphology True Supernumerary structure Inferred relationship Some 5
Triphalangeal great toe Associated morphology True Supernumerary structure Inferred relationship Some 1
Triple kidney with triple pelvis Associated morphology True Supernumerary structure Inferred relationship Some 1
Pyelon triplex Associated morphology False Supernumerary structure Inferred relationship Some 1
Trifid kidney Associated morphology True Supernumerary structure Inferred relationship Some 1
A rare, genetic, multiple congenital anomalies syndrome characterized by the association of a typical facial phenotype with microcephaly associated with congenital hypothyroidism, skeletal involvement (polydactyly, long thumb(s) and long first toe(s), and patellar hypoplasia/agenesis), and some degree of global developmental delay, hypotonia and intellectual disability. Facial features include an immobile mask-like face, severe blepharophimosis and ptosis, tear duct abnormalities, a broad nasal bridge, bulbous nasal tip, small mouth, thin upper lip, hypoplastic teeth and small, low set ears. Renal and genital anomalies, usually cryptorchidism, are often present in affected males. Congenital heart defects and growth delay are variably present. Associated morphology True Supernumerary structure Inferred relationship Some 1
Placenta of multiple birth higher than twin Associated morphology False Supernumerary structure Inferred relationship Some 1
Placenta spuria Associated morphology True Supernumerary structure Inferred relationship Some 1
Short rib polydactyly syndrome Associated morphology True Supernumerary structure Inferred relationship Some 1
Type IV short rib polydactyly syndrome Associated morphology True Supernumerary structure Inferred relationship Some 1
Type III short rib polydactyly syndrome Associated morphology True Supernumerary structure Inferred relationship Some 1
Congenital duplication of the fifth digit, fully developed with bone and neural tissue. Associated morphology True Supernumerary structure Inferred relationship Some 1
Congenital duplication of the fifth digit, fully developed with bone and neural tissue. Associated morphology True Supernumerary structure Inferred relationship Some 2
Congenital duplication of the fifth digit, rudimentary, non-functioning or soft tissue. Associated morphology True Supernumerary structure Inferred relationship Some 1
Congenital duplication of the fifth digit, rudimentary, non-functioning or soft tissue. Associated morphology True Supernumerary structure Inferred relationship Some 2
Bilateral postaxial polydactyly of toes Associated morphology True Supernumerary structure Inferred relationship Some 1
Bilateral postaxial polydactyly of toes Associated morphology True Supernumerary structure Inferred relationship Some 2
Bilateral polydactyly of thumb Associated morphology True Supernumerary structure Inferred relationship Some 1
Bilateral polydactyly of thumb Associated morphology True Supernumerary structure Inferred relationship Some 2
Polydactyly of bilateral triphalangeal thumbs (disorder) Associated morphology True Supernumerary structure Inferred relationship Some 1
Polydactyly of bilateral triphalangeal thumbs (disorder) Associated morphology True Supernumerary structure Inferred relationship Some 2
Bilateral central polydactyly of fingers Associated morphology True Supernumerary structure Inferred relationship Some 1
Bilateral central polydactyly of fingers Associated morphology True Supernumerary structure Inferred relationship Some 2
Bilateral central polydactyly of toes Associated morphology True Supernumerary structure Inferred relationship Some 1
Bilateral central polydactyly of toes Associated morphology True Supernumerary structure Inferred relationship Some 2
Bilateral preaxial polydactyly of toes Associated morphology True Supernumerary structure Inferred relationship Some 1
Bilateral preaxial polydactyly of toes Associated morphology True Supernumerary structure Inferred relationship Some 2

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