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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Type 2 Antley-Bixler can thus be accompanied by sexual ambiguity, but this is not a compulsory finding. Detailed information Professionals Clinical genetics review English Spectrum of Antley-Bixler syndrome. Eleven pairs of ribs instead of the usual twelve may also be present.

Am J Med Genet ; Gripp KW, et al. Genetic counseling Transmission is autosomal recessive. Related Disorders Symptoms of the following disorders can be similar to those of Antley-Bixler Syndrome. According to researchers, genetic mutations that disrupt the functioning of such proteins may result in certain abnormalities during embryonic development, such as malformations of the craniofacial area and the limbs. CCCC ].

Description of two new cases and review of the literature. Hassell S, Butler MG.

The head is typically abnormally shaped and the eyes may be low-set. Parents of several individuals with Antley-Bixler Syndrome have been closely related by blood consanguineous. Some patients with POR mutations have died unexpectedly without a clear explanation, and Reardon et al. Schinzel A, et al. In recessive disorders, the condition does not appear unless a person inherits the same defective gene for the same trait from each parent. Investigational Therapies Research on birth defects and their causes is ongoing.


Camptomelic Syndrome is a rare congenital skeletal disorder that is inherited as an autosomal recessive genetic trait. This disorder is characterized by various craniofacial and skeletal abnormalities.

Osteochondrodysplasia Q77—Q78 Paediatr Anaesth ; 8: Early intervention may be important in ensuring that affected children reach their potential. Health care resources for this disease Expert centres Diagnostic tests 59 Patient organisations 29 Orphan drug s 0.

KEGG DISEASE: Antley-Bixler syndrome

The risk is the same for each pregnancy. While the OMIM database is open to the public, users seeking information about a personal medical or genetic condition are urged to consult with a qualified physician for diagnosis and for answers to personal questions. The treatment of Antley-Bixler Syndrome is directed toward the specific symptoms that are apparent in each individual.

Features of Antley-Bixler syndrome in an infant born to a mother with pregnancy luteoma. Mutant P oxidoreductase causes disordered steroidogenesis with and without Antley-Bixler syndrome.

Summary Epidemiology It has been described in more than 30 patients. J Pediatr Orthop ; 8: This condition causes the head to from a cloverleaf shape. Primary Craniosynostosis is a rare disorder of the skull that may be inherited as an autosomal dominant or autosomal recessive genetic trait. Ultrasound studies may reveal characteristic findings that may be associated with amtley disorder.

Rare Disease Database

Acrocephalosyndactyly Syndromes are rare disorders of infancy congenital that are characterized by a pointed head caused by the premature closure of the cranial sutures of the skull. You can help by adding to it. Antley Bixler syndrome www. It is characterized by short stature with bowing and an angular shape of the long bones of the legs. Spondyloepiphyseal dysplasia congenita Multiple epiphyseal dysplasia Otospondylomegaepiphyseal dysplasia. Other search option s Alphabetical list. TEXT A number sign is used with this entry because of evidence that Antley-Bixler syndrome with disordered steroidogenesis ABS1 is caused by homozygous or compound heterozygous mutation in the gene encoding cytochrome P oxidoreductase POR; on chromosome 7q Additional information Further information on this disease Classification s 3 Gene s 1 Clinical signs and symptoms Publications in PubMed Other website s 3.


Comparisons may be useful for a differential diagnosis: Retrieved from ” https: Differential diagnosis A similar clinical picture is observed in patients exposed in utero to fluconazole, a lanosterol 14 alpha-demethylase inhibitor. Check this box if you wish to receive a copy of your message.

Antley-Bixler syndrome from a prognostic perspective: Click on image for details. For example, in those with choanal atresia or stenosis, surgery or other appropriate methods may be required to decrease the airway obstruction or correct the malformation.

The head may be larger than normal due to accumulation of fluid hydrocephaly in the skull. Description of two new cases and a review of the literature. Many affected infants and children also may have a prominent forehead, underdeveloped midfacial regions midfacial hypoplasiaprotruding eyes proptosisand other craniofacial abnormalities. Mental retardation is also present in children with this disorder. PTH1R Jansen’s metaphyseal chondrodysplasia.

J Postgrad Med ; A similar clinical picture is observed in patients exposed in utero to fluconazole, a lanosterol 14 alpha-demethylase inhibitor. Two genetically distinct forms are observed:

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