Type I: Transepiphyseal (with/without dislocation) — highest AVN risk. Type II: Transcervical (through the neck). Type III: Cervicotrochanteric (basicervical). Type IV: Intertrochanteric. AVN risk decreases from I → IV; urgent reduction and stable fixation reduce complications.
What is the Delbet-Colonna classification primarily used for?
Which type of Delbet-Colonna fracture has the highest risk of avascular necrosis (AVN)?
Which age group is most commonly associated with paediatric femoral neck fractures?
What is the main vascular supply to the femoral head in children?
Which type of paediatric femoral neck fracture is considered the most common?
In which scenario should a femoral neck fracture in a child under 5 years raise suspicion for non-accidental injury?
What is the urgency of treatment for a transcervical femoral neck fracture?
Which Delbet fracture type is characterized by a fracture through the mid-femoral neck?
What complication is most commonly associated with paediatric femoral neck fractures?
Which type of Delbet fracture is often associated with hip dislocation?
