Preferred Label : osseous heteroplasia, progressive;

Définition CISMeF : Progressive osseous heteroplasia (POH) is a rare genetic bone disorder characterized clinically by progressive extraskeletal bone formation presenting in early life with cutaneous ossification, that progressively involves subcutaneous and then subsequently deep connective tissues, including muscle and fascia. POH overlaps with a number of related genetic disorders including Albright hereditary osteodystrophy, pseudohypoparathyroidism (see these terms), and primary osteoma cutis, that share the common features of superficial heterotopic ossification in association with inactivating mutations of GNAS gene (20q13.2-q13.3), coding for guanine nucleotide-binding proteins. POH can, however, be distinguished clinically by the deep and progressive nature of the heterotopic bone formation.;

MeSH note : mutation in Gsalpha isoform of GNAS gene;

MeSH synonym : osteoma cutis; ectopic ossification, familial; osteosis cutis; cutaneous ossification; osteodermia; progressive osseous heteroplasia;

Is substance : O;

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Progressive osseous heteroplasia (POH) is a rare genetic bone disorder characterized clinically by progressive extraskeletal bone formation presenting in early life with cutaneous ossification, that progressively involves subcutaneous and then subsequently deep connective tissues, including muscle and fascia. POH overlaps with a number of related genetic disorders including Albright hereditary osteodystrophy, pseudohypoparathyroidism (see these terms), and primary osteoma cutis, that share the common features of superficial heterotopic ossification in association with inactivating mutations of GNAS gene (20q13.2-q13.3), coding for guanine nucleotide-binding proteins. POH can, however, be distinguished clinically by the deep and progressive nature of the heterotopic bone formation.

http://www.orpha.net/consor/cgi-bin/OC_Exp.php?Lng=FR&Expert=2762
2014
false
true
false
France
scientific and technical information
osseous heteroplasia, progressive
ossification, heterotopic
osseous heteroplasia, progressive

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https://anpgm.fr/media/documents/ANPGM_113_Resistance_PTH_avec_ou_sans_OHA.doc
2012
France
guideline
Pseudohypoparathyroidism
osseous heteroplasia, progressive
pseudohypoparathyroidism
Osteodystrophia
hip prosthesis
acrodysostosis
parathyroid hormone
acrodysostosis
pseudohypoparathyroidism, nos
diffuse rigidity
Progressive osseous heteroplasia
fibrous dysplasia, polyostotic
bone diseases, metabolic
ossification, heterotopic
skin diseases, genetic
dysostoses
intellectual disability
osteochondrodysplasias

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02/05/2025


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