Copyright
©The Author(s) 2015.
World J Orthop. Sep 18, 2015; 6(8): 590-601
Published online Sep 18, 2015. doi: 10.5312/wjo.v6.i8.590
Published online Sep 18, 2015. doi: 10.5312/wjo.v6.i8.590
Table 2 Ficat and arlet classification system
| Stage | Features |
| 0 | Normal radiographs (silent hip) |
| I | Slight abnormality as patchy/opaque areas, minor osteopenia |
| II | Sclerotic or cystic lesions |
| IIa: No crescent sign | |
| IIb: Crescent sign without flattening of the femoral head | |
| III | Flattening of the femoral head or femoral head collapse |
| IV | Femoral head collapse and osteoarthritis of the hip (joint space narrowing, osteophytes and acetabular changes) |
- Citation: Moya-Angeler J, Gianakos AL, Villa JC, Ni A, Lane JM. Current concepts on osteonecrosis of the femoral head. World J Orthop 2015; 6(8): 590-601
- URL: https://www.wjgnet.com/2218-5836/full/v6/i8/590.htm
- DOI: https://dx.doi.org/10.5312/wjo.v6.i8.590