Structural analysis of a cohort of carotid endarterectomy specimens
| Plaque phenotype | Descriptive architecture | Total (percentage) | |
| Ulceration 283 (82%) | Relationship to point of maximal stenosis (POMS) | Upstream to POMS | 261 (92%) |
| At the POMS | 17 (6%) | ||
| Downstream to POMS | 3 (1%) | ||
| Upstream and at the POMS | 2 (1%) | ||
| Necrotic core exposed to the blood stream | Present | 161 (57%) | |
| Absent | 122 (43%) | ||
| Intraplaque haemorrhage 233 (68%) | Coexistence of ulceration | Yes | 231 (99%) |
| No | 2 (1%) | ||
| Relationship to lumen | Contained | 89 (38%) | |
| Exposed | 144 (62%) | ||
| Relationship to ulceration | Contiguous | 215 (92%) | |
| Apart | 18 (8%) | ||
| N/A | 6 | ||
| Relationship of haemorrhage to the downstream ending of a plaque | Not reaching | 159 (68%) | |
| Reaching | 65 (28%) | ||
| Extruding beyond the plaque ending into the lumen | 9 (4%) | ||
| False lumen 165 (48%) | Associated with thrombus | Yes | 130 (79%) |
| No | 35 (21%) | ||
| Type | Blind ended | 130 (79%) | |
| Fenestrated | 35 (21%) | ||