DO_rare_slim has phenotype syndrome Gorham's disease SNOMEDCT_US_2025_09_01:240161003 DOID:4837 GARD:6542 disease_ontology UMLS_CUI:C0029436 A syndrome that is characterized by bone loss (osteolysis) which is often associated with swelling or abnormal blood vessel growth (angiomatous proliferation). Bone loss can occur in just one bone or spread to soft tissue and adjacent bones. Disappearing bone disease Gorham disease Gorham-Stout Syndrome MESH:D010015 essential osteolysis massive osteolysis phantom bone disease Osteolysis