3Mitchell DG,Rao V M,MD.Femoral head avascularnecrosis:cotrelationof MR im ng,radiographic staslng,radionuclide imagingand clinical findings[J].Radiology,2007,172:709.
7Hirata T,Konishillke T,KawaiA,et a.l Dynamic magnetic resonance imaging of femoral head perfusion in femoral neck frature[J].Clin Orthop RelatRes,2001,(393):294.
8Tsuji T,Sugano N,Sakai T,et a.l Evaluation of femoral perfusion in a non-traumatic rabbit as reonecrosis model withT2·-weighted dynamic MRI[J].Orthop Res,2003,21(2):341.
4Ficat RP.Idiopathic bone necrosis of femoral head:early diagnosis and treatment[J].J Bone Joint Surg,1985,67(1):59 -61.
5Jiang CC,Shih TF.Epiphyseal scar of the femoral head:risk factor of osteonecrosis[J].Radiology,1994,191 (2):409 -412.
6Moss SG,Schweitzer ME,Jacobson JA,et al.Hip joint fluid:detection and distribution at MR imaging and US with cadaveric correlation[J].Radiology,1998,208(1):43 -48.
7Johan LB.Transient osteoporosis of the hip:MR imaging[J].Radiology,1988,167 (3):753-755.
8Vande Berg BC,Malghem JJ,Lecouvet FE,et al.Idiopathic bone marrow edema lesions of the femoral head:predictive vale of MR imaging findings[J].Radiology,1999,212 (2):527-535.
9Koo KH,Ahn IO,Kim R,et al.Bone marrow edema and associated pain in early stage osteonecrosis of the femoral head:Prospective study with serial MR images[J].Radiology,1999,213 (3):715-722.
10Chan WP,Liu YJ,Huang GS,et al.MRI of joint fluid in femoral head osteonecrosis[J].Skeletal Radiol,2003,31 (11):624-630.