A number sign (#) is used with this entry because of evidence that Antley-Bixler syndrome with disordered steroidogenesis (ABS1) is caused by homozygous or. Antley–Bixler syndrome, also called trapezoidocephaly-synostosis syndrome, is a rare, very severe autosomal recessive congenital disorder characterized by. This page from Great Ormond Street Hospital (GOSH) explains the causes, symptoms and treatment of Antley-Bixler syndrome and where to get help.

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Antley—Bixler syndrome presents itself at birth or prenatally. None, Conflict of Interest: There are two distinct genetic mutations associated with the Antley—Bixler syndrome phenotypewhich suggests the disorder may be genetically heterogeneous.

Antley–Bixler syndrome – Wikipedia

Goodman Syndrome is a rare inherited disorder of infancy characterized by abnormalities of the head, hands, and genitals. D ICD – Bxiler H, et al. A missense mutation in the cytochrome P reductase POR gene results in abnormal steroidogenesis related to the genital malformations often found in Antley-Bixler. The forehead may bulge and the orbit of the eye may be flat on one side.

The risk of transmitting the disorder from affected parent to offspring is 50 percent for each pregnancy regardless of the sex of the resulting child. Disease definition Antley-Bixler syndrome is a very rare disorder characterised by craniosynostosis with vixler hypoplasia, radiohumeral synostosis, femoral bowing and joint contractures.


Identification of novel roles of the cytochrome P system in early embryogenesis: There are many affected individuals, however, who live relatively long longs. Urogenital anomalies with sexual ambiguity due to impaired steroidogenesis can occur.

Antley-Bixler syndrome in sisters: Carpenter Syndrome is a rare inherited disorder characterized by abnormalities of the head, hands, and bixle. The diagnosis of Antley-Bixler Syndrome is usually made after birth postnatally based upon a thorough clinical evaluation and characteristic physical findings.

This disorder is also known as Acrocephalopolysyndactyly Type II. A similar clinical picture is observed in boxler exposed in utero to fluconazole, a lanosterol 14 alpha-demethylase inhibitor. Premature closure of the bones sutures in the skull result in an abnormally shaped head. Raine syndrome Osteopoikilosis Osteopetrosis. Comparisons may be useful for a differential diagnosis: By contrast, milder mutations atnley POR may manifest as mild disorders of steroid synthesis.

Antley-Bixler syndrome from a prognostic perspective: It is characterized by short stature with bowing and an angular shape of the long bones of the legs.

Antley Bixler Syndrome – NORD (National Organization for Rare Disorders)

This article has been cited by. Reardon W, et al. Type I cytokine receptor: Prognostic and therapeutic aspects. You can help by adding to it. Chromosomes are further subdivided into bands that are numbered. Research on birth defects and their causes is ongoing.


Rare Disease Database

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Information on current clinical trials is posted on the Internet at www. The documents contained in this web site are presented for information purposes only. Obesity and heart antlley may also occur. CASR Familial hypocalciuric hypercalcemia. In addition, certain joints may become permanently flexed or extended in fixed postures joint contracturesresulting in restricted movements. Comparisons may be useful for a differential diagnosis:. In recessive disorders, if both parents carry the same gene for the same disease trait, there is an syndromee risk that their children may inherit the two genes necessary for development of the disease.