Term Name:	progressive osseous heteroplasia
Synonyms:	ectopic ossification familial type, familial ectopic ossification, osteoma cutis, POH
Definition:	A syndrome characterized by infantile onset of dermal ossification followed by progressive bone formation in skeletal muscle and deep fascia that has_material_basis_in heterozygous loss of function mutation in the Gs-alpha isoform of the GNAS gene on chromosome 20q13.32.
Ontology:	Human Disease [DOID:0111535]   ( DOID:0111535 )