Polydactyly, Usually Postaxial: Causes & Reasons

Possible Causes for Polydactyly, Usually Postaxial

[ edit ] Usually manifest as extra digits or incomplete digits resulting in broad or bifid digit Postaxial polydactyly (80% of cases) Extra digit on ulnar or fibular side [en.wikibooks.org]

Edit Usually manifest as extra digits or incomplete digits resulting in broad or bifid digit Postaxial polydactyly (80% of cases) Extra digit on ulnar or fibular side of [psychology.wikia.com]

Acc epte d A rticl eA term crossed polydactyly (CP) is usually employed for the presence of preaxial and postaxial polydactyly with a difference in axis of the additional [docslide.net]

Bardet-Biedl Syndrome Type 1

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Oral-Facial-Digital Syndrome Type 6

Polydactyly of hands is usually postaxial, whereas there may be pre-axial polydactyly of the feet. [genome.gov]

In addition to central polydactyly, both postaxial[2,4,5] and preaxial[4,6] manual polydactyly are common, as are clinodactyly and syndactyly.[4,5] The feet usually show preaxial-polydactyly [ncbi.nlm.nih.gov]

Manual central polydactyly, defined as a fully formed extra digit arising from an additional central metacarpal or from a bifid/Y-shaped, usually, third metacarpal, was considered [ncbi.nlm.nih.gov]

Syndactyly (Feet)

Also, M-CM can cause polydactyly that is usually postaxial. [m-cm.net]

[ edit ] Usually manifest as extra digits or incomplete digits resulting in broad or bifid digit Postaxial polydactyly (80% of cases) Extra digit on ulnar or fibular side [en.wikibooks.org]

Syndactyly of the fingers is less common and when present, usually involves fusion between the third and fourth fingers. [m-cm.net]

Meckel Syndrome Type 13

polydactyly: usually hexadactyly (~65%) Additional hepatic developmental defects and hepatic fibrosis may occur. [radiopaedia.org]

[…] syndrome (MGS) is classically characterized by the triad of: renal cystic dysplasia: multiple renal cysts (present most cases) occipital encephalocoele/holoprosencephaly (~70%) postaxial [radiopaedia.org]

Central Polydactyly of Toes

These bones are usually “Y” shaped. Postaxial polydactyly types A and B. [thinkgenetic.com]

In contrast, postaxial polydactyly seen in white children is usually syndromic and associated with an autosomal recessive transmission. [clinicaladvisor.com]

Bardet-Biedl is a rare autosomal recessive genetic syndrome characterized by obesity, postaxial polydactyly, retina (eye) abnormalities, and mental retardation. [encyclopedia.com]

Polydactyly

Postaxial ray polydactyly usually occurs in male blacks without associated congenital abnormalities. [hindawi.com]

[ edit ] Usually manifest as extra digits or incomplete digits resulting in broad or bifid digit Postaxial polydactyly (80% of cases) Extra digit on ulnar or fibular side [en.wikibooks.org]

In contrast, postaxial polydactyly seen in white children is usually syndromic and associated with an autosomal recessive transmission [3]. [hindawi.com]

Meckel Syndrome Type 9

polydactyly: usually hexadactyly (~65%) Additional hepatic developmental defects and hepatic fibrosis may occur. [radiopaedia.org]

Meckel Syndrome Type 8

polydactyly: usually hexadactyly (~65%) Additional hepatic developmental defects and hepatic fibrosis may occur. [radiopaedia.org]

C Syndrome

Skeletal defects include short rhizo- and acromelic limb segments, hypermobile elbows with crepitus, polydactyly (usually postaxial), syndactyly (see these terms) of toes, [orpha.net]

polydactyly syndactyly: usually 2nd and 3rd toes congenital cardiac anomalies congenital urogenital anomalies hypospadias cryptorchidism intrauterine growth restriction [radiopaedia.org]

[…] which include: CNS intellectual disability hyperexcitability microcephaly hypotonia holoprosencephaly craniofacial blepharophimosis epicanthus micrognathia low set ears limb postaxial [radiopaedia.org]

Preaxial Hallucal Polydactyly

Operative details Most medial digits in preaxial polydactyly and most lateral digits in postaxial polydactyly are usually resected. [emedicine.medscape.com]

In postaxial polydactyly type A the supernumerary digit is usually fully developed and functional and articulates with the 5th digit or with an extra metacarpal. [rrnursingschool.biz]

Postaxial polydactyly In postaxial polydactyly, a racquet-shaped or oval incision is made at the base of the most lateral digit and carried through skin and fascia. [emedicine.medscape.com]

Meckel Syndrome Type 5

polydactyly: usually hexadactyly (~65%) Additional hepatic developmental defects and hepatic fibrosis may occur. [radiopaedia.org]

Meckel Syndrome

polydactyly : usually hexadactyly (~65%) Additional hepatic developmental defects and hepatic fibrosis may occur. [radiopaedia.org]

polydactyly: usually hexadactyly (~65%) Additional hepatic developmental defects and hepatic fibrosis may occur. [radiopaedia.org]

The polydactyly is usually postaxial (the extra fingers/toes are on the same side of the hand/foot as the smallest finger/toe). [encyclopedia.com]

Meckel Syndrome Type 4

polydactyly: usually hexadactyly (~65%) Additional hepatic developmental defects and hepatic fibrosis may occur. [radiopaedia.org]

Meckel Syndrome Type 10

polydactyly: usually hexadactyly (~65%) Additional hepatic developmental defects and hepatic fibrosis may occur. [radiopaedia.org]

Crossed Polysyndactyly

In contrast, postaxial polydactyly seen in white children is usually syndromic and associated with an autosomal recessive transmission. [emedicine.medscape.com]

Duplicated thumbs at the metacarpophalangeal level are the usual anomaly. [6, 7] Race Postaxial hand polydactyly is a common isolated disorder in black children, and autosomal [emedicine.medscape.com]

Meckel Syndrome Type 6

polydactyly: usually hexadactyly (~65%) Additional hepatic developmental defects and hepatic fibrosis may occur. [radiopaedia.org]

Bardet-Biedl Syndrome Type 12

Possible symptoms of the condition include progressive vision loss, truncal obesity, intellectual disability, and the presence of postaxial polydactyly. [fulgentgenetics.com]

National Center for Advancing Translational Sciences Summary Bardet-Biedl syndrome (BBS) is characterized by rod-cone dystrophy, truncal obesity, postaxial polydactyly, cognitive [rarediseases.info.nih.gov]

Although the postaxial polydactyly is evident at birth, clinical diagnosis is usually made when patients complain of visual distress. [ijponline.biomedcentral.com]

Central Polydactyly of Fingers

These bones are usually “Y” shaped. Postaxial polydactyly types A and B. [thinkgenetic.com]

Extra small finger (postaxial polydactyly) Postaxial polydactyly in white individuals, unlike black race, is rare and may be indicative of an underlying syndrome (send these [cirugiamanoinfantil.com]

Down's syndrome: Clinodactyly, Macro, autopsy (73679) Polydactyly, postaxial: Postaxial polydactyly, Macro, autopsy (73707) Polydactyly, postaxial: Postaxial polydactyly, [atlases.muni.cz]

Meckel Syndrome Type 1

polydactyly: usually hexadactyly (~65%) Additional hepatic developmental defects and hepatic fibrosis may occur. [radiopaedia.org]

Syndactyly, Type 4

[ edit ] Usually manifest as extra digits or incomplete digits resulting in broad or bifid digit Postaxial polydactyly (80% of cases) Extra digit on ulnar or fibular side [en.wikibooks.org]

The Hand Syndactylies: Common Types Polydactylies, Classification for thumb (preaxial) and little finger (postaxial) types. [peds.ufl.edu]

[…] of limb Type A postaxial polydactyly Digit usually consists of three phalanges and nail Extra digit is relatively well formed but some or all of elements may be reduced Type [en.wikibooks.org]

Orofaciodigital Syndrome

Polydactyly of hands is usually postaxial, whereas there may be pre-axial polydactyly of the feet. [genome.gov]

Bardet-Biedl Syndrome Type 20

Possible symptoms of the condition include progressive vision loss, truncal obesity, intellectual disability, and the presence of postaxial polydactyly. [fulgentgenetics.com]

Although the postaxial polydactyly is evident at birth, clinical diagnosis is usually made when patients complain of visual distress. [ijponline.biomedcentral.com]

The earliest signs usually appear in childhood with night vision impairment and blind spots in peripheral vision that progresses into legal blindness in 90% of cases. [fulgentgenetics.com]

Postaxial Polydactyly Type A5

The Hand Syndactylies: Common Types Polydactylies, Classification for thumb (preaxial) and little finger (postaxial) types. [peds.ufl.edu]

These diagrams illustrate the main types of polydactyly. [peds.ufl.edu]

These malformations are usually observed in otherwise normal children, and often have an autosomal dominant pattern of inheritance. [peds.ufl.edu]

Kleiner Holmes Syndrome

Operative details Most medial digits in preaxial polydactyly and most lateral digits in postaxial polydactyly are usually resected. [emedicine.medscape.com]

In preaxial polydactyly, the most medial great toe usually is excised. [orthopedia.co]

Discussion Polydactyly of the foot is usually classified into three major groups: medial ray (preaxial), central ray, and lateral ray (postaxial) polydactyly [7]. [slideheaven.com]

Ellis-Van Creveld Syndrome

The other features include polydactyly usually bilateral postaxial hexadactyly most often seen in upper limbs on ulnar side and involves lower limb in 10% of cases. [clinmedjournals.org]

This autosomal recessive condition, now usually referred to as Ellis-van Creveld syndrome (EVC), comprises bilateral postaxial polydactyly, a chondrodysplasia, characterized [ncbi.nlm.nih.gov]

Short stature is usually disproportionate with meso/acromelic shorting of the limbs. Polydactyly is postaxial and often manifests with a well-formed extradigit. [link.springer.com]

Preaxial Polydactyly Type 4

[ edit ] Usually manifest as extra digits or incomplete digits resulting in broad or bifid digit Postaxial polydactyly (80% of cases) Extra digit on ulnar or fibular side [en.wikibooks.org]

Post-axial polydactyly of both hands & feet may be present. Synonyms Hallux duplication, Postaxial polydactyly, Absence of corpus callosum and Schinzel syndrome. [ispub.com]

Affected infants with supernumerary digits will usually have the additional digit(s) toward the “pinky finger” side of the hand (postaxial polydactyly) and the “big toe” side [rarediseases.org]

Postaxial Oligodactyly, Tetramelic

In postaxial polydactyly type A the supernumerary digit is usually fully developed and functional and articulates with the 5th digit or with an extra metacarpal. [rrnursingschool.biz]

Two phenotypically and possibly genetically different forms of postaxial Polydactyly are recognized (Fig. 6.25 a-c). [rrnursingschool.biz]

Mohr Syndrome

Polydactyly of hands is usually postaxial, whereas there may be pre-axial polydactyly of the feet. [genome.gov]

In contrast, postaxial polydactyly seen in white children is usually syndromic and associated with an autosomal recessive transmission. [clinicaladvisor.com]

[…] unilateral preaxial or postaxial polydactyly of the hands (1-2% of patients) Radiographs of the hands often demonstrate fine reticular radiolucencies, described as irregular [en.wikibooks.org]

Laurence Moon Syndrome

Polydactyly, Hypogonadism in males, renal involvement. [ijmedph.org]

Consanguineous marriage is usually the common cause. [ijmedph.org]

[…] characteristic feature of the disorder are progressive rod cone dystrophy, atypical retinitis Pigmentosa, myopia, central obesity, mental retardation, Anisometropia, Astigmatism, Postaxial [ijmedph.org]