Status: current, Sufficiently defined by necessary conditions definition status (core metadata concept). Date: 31-Jan 2013. Module: SNOMED CT core
Descriptions:
Inbound Relationships | Type | Active | Source | Characteristic | Refinability | Group |
Tortuosity of branch of aortic arch (disorder) | Is a | True | Tortuosity of systemic artery (disorder) | Inferred relationship | Existential restriction modifier (core metadata concept) | |
A rare genetic cerebral small vessel disease characterized by isolated marked tortuosity of second-order and third-order retinal arteries with normal first-order arteries and venous system, typically located in the macular and peripapillary area and developing during childhood or early adulthood. The disease may be asymptomatic, although most patients present variable degrees of transient vision loss due to retinal hemorrhage following physical exertion or minor trauma. | Is a | True | Tortuosity of systemic artery (disorder) | Inferred relationship | Existential restriction modifier (core metadata concept) |
This concept is not in any reference sets