peripheral vascular disease thromboangiitis obliterans BUERGER disease Buerger disease, also known as thromboangiitis obliterans (TAO), is a rare inflammatory non-necrotizing vascular disease affecting the small- and medium-sized arteries and veins of the upper and lower extremities characterized by endarteritis and vaso-occlusion due to occlusive thrombus development. The development and progression of the disease is consistently associated with exposure to tobacco. Buerger's disease COHD:312939 DOID:12918 EFO:1001211 GARD:0005969 ICD10:I73.1 ICD9:443.1 MESH:D013919 MONDO:0008889 MedDRA:10043540 NCIT:C35070 OMIM:211480 Orphanet:36258 SCTID:52403007 TAO UMLS:C0040021 inflammatory occlusive peripheral vascular disease occlusive peripheral vascular disease presenile gangrene thromboangiitis obliterans thromboangiitis obliterans [Buerger's disease] predominantly medium-vessel vasculitis secondary glomerular disease