Non-salvageable acetabular labrum (insufficient quality and/or quantity) |
Absent/insufficient longitudinal (global or segmental) labral tissue |
Traumatic |
Degenerative |
Iatrogenic (e.g., after labrectomy, labral suture cut-through, or labral damage during joint access) |
Insufficient labral width |
Traumatic |
Degenerative |
Iatrogenic |
Insufficient labral quality |
Ossification |
Global |
Focal (one should note that these may be reparable after careful resection of ossified regions) |
Traumatic |
Degenerative |
Age |
Perhaps = or < 50 yr |
Physiologic age including absence of medical comorbidities and any osteoarthrosis may extend this arbitrary age criterion |
Absence of significant osteoarthrosis (Tönnis grade 0 or 1) |