lymphangioma disappearing bone disease rheumatic disorder Gorham-Stout disease https://github.com/monarch-initiative/mondo/issues/4948 https://www.malacards.org/card/cystic_angiomatosis_of_bone_diffuse icd11.foundation:1318015458 MedDRA:10071283 progressive massive osteolysis vanishing bone disease NANDO:1200880 idiopathic massive osteolysis osteolysis massive MONDO:0007414 MEDGEN:45248 UMLS:C0029438 Orphanet:73 SCTID:1515008 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. Gorham disease ICD9:733.99 GARD:0006542 NORD:1200 Gorham-Stout disease OMIM:123880 NANDO:1200878 cystic angiomatosis of bone diffuse Gorham syndrome