[1] Vellet A D, Marks P H, Fowler P J, et al. Occult posttraumatic osteochondral lesions of the knee: prevalence, classification, and short-term sequelae evaluated with MRI imaging [J]. Radiology, 1991, 178(1): 271-276. [2] Torbenson M, Thomas D L. Occult hepatitis B [J]. Lancet Infect Dis, 2002, 8(2): 479. [3] Kaplan P A, Gehl R H, Dussault R G, et al. Bone contusion of the posterior lip of the medial tibial plateau(contrecoup injury) and associated internal derangements of the knee at MRI imaging [J]. Radiology, 1999, 211(3): 747-753. [4] 胡必富,孔祥泉,蒋从清. 膝关节隐匿性骨折的MRI诊断价值探讨[J]. 中华创伤骨科杂志,2004,6(9):1008-1011. [5] 孙金霜,杨宝廉,王志俊,等. 膝关节周围隐匿性骨折的MRI诊断[J]. 实用放射学杂志,1999,15(8):466-468. [6] 林雁冰,丁小龙,柴维敏, 等. MRI对膝关节隐匿性骨折的诊断价值[J]. 上海交通大学学报,2007,27(11):1373-1375。 [7] 孙 钢,姜庆军,彭兆辉,等. 膝关节隐匿性骨折的MRI诊断[J]. 医学影像学杂志, 2008, 18(5):535-537. [8] 刘 磊,孙 钢. 隐性骨折的分类及影像学诊断评价[J]. 医学影像学杂志, 2005, 15(1):63-65. [9] Boraschi P, Grassi L, Braccini G, et al. Occult post-traumatic osteochondral changes in the knee.Assessment with magnetic resonance [J]. Rediol Med, 1996, 91(5): 558-562. [10] Palmer W E, Levine S M, Dupuy D E. Knee and shoulder fractures:association of fracture detection and marrow edema on MRI images with mechanism of injury [J]. Radiology, 1997, 204(2): 395- 401. [11] Lim K B, Eng A K, Chngs M, et al. Limited magnetic resonance imaging (MRI) and the occult hip fracture [J]. Ann Acad Med Singapore, 2002, 31(5): 607-610.