Status: current, Not sufficiently defined by necessary conditions definition status (core metadata concept). Date: 31-Jan 2002. Module: SNOMED CT core
Descriptions:
Outbound Relationships | Type | Target | Active | Characteristic | Refinability | Group | Values |
Posterior vitreous detachment | Is a | Vitreous detachment | true | Inferred relationship | Some | ||
Posterior vitreous detachment | Finding site | Composite structure of hyaluronic acid gel within a stromal network of collagen fibrils | true | Inferred relationship | Some | 1 | |
Posterior vitreous detachment | Associated morphology | Separation | true | Inferred relationship | Some | 1 |
Inbound Relationships | Type | Active | Source | Characteristic | Refinability | Group |
History of posterior vitreous detachment (situation) | Associated finding | True | Posterior vitreous detachment | Inferred relationship | Some | 1 |
The following must be present on at least one OCT (Optical coherence tomography) scan image: (i) Partial vitreous detachment as indicated by elevation of cortical vitreous above the retinal surface in the perifoveal area (ii) Persistent vitreous attachment. | Is a | True | Posterior vitreous detachment | Inferred relationship | Some | |
Acute posterior vitreous detachment | Is a | True | Posterior vitreous detachment | Inferred relationship | Some | |
Giant retinal tear | Is a | True | Posterior vitreous detachment | Inferred relationship | Some |
This concept is not in any reference sets