目的股骨头骨折损伤机制股骨头骨折分型股骨头骨折影像学评估股骨头骨折处理策略手术入路固定方法并发症放治文献及争议股骨头骨折DESCRIPTIONBirkett1869年OF ADISLOCATION OF THE HEAD OF THE首次描述FEMUR,COMPLICATED WITH ITS FRACTURE:WITH REMARKSTJOHN BIRKETT,星R.C.8,BERGRON TO GUT'S MOSPITAL.ecioed Jos-adrA.nlf移分型·Pipkin·Brumbacke典念.?P·AOChironGiebelTypeIType ll沁施沁物Type lllType IV%福河沁沁德Type I osteo chondral fragmentsType ll 1/4 head fragmentType lll:1/3 head fragmentType IV 1/2 head fragmentType V cranial cartilage impactionType VA:pure B:acetabulum C:neck