obsolete_Gorham-Stout disease true http://purl.obolibrary.org/obo/MONDO_0007414 OMIM:123880 Vanishing bone disease MedDRA:10071283 Gorham syndrome Idiopathic massive osteolysis Replaced with Mondo term. 3.41.0 UMLS:C0029438 Gorham-Stout disease (GSD) is a rare disease of massive osteolysis associated with proliferation and dilation of lymphatic vessels. GSD may affect any bone in the body and can be monostotic or polyostotic. Symptoms at presentation are dependent upon the location(s) of the disease; the most common symptom is localized pain. The disease may be discovered after a pathological fracture. orphanet ICD10:M89.5 Progressive massive osteolysis Gorham disease