/ % mm. Lauge - Hansen. 2mm. 2 mm. Journal of Ningxia Medical University

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1 Journal of Ningxia Medical University Ⅲ60 Ⅳ24 1 AOFAS ~ 23 1 AOFAS 63 ~ X ~ ~ AOFAS 65 ~ X ~ ~ 12 6 AOFAS P < P > 0. Ⅲ Ⅳ R A 1 / % 1 2 mm 2 25% ~ 69 Ⅲ60 Ⅳ Ⅳ12 Lauge - Hansen 5 Ⅳ14 Ⅲ Ⅳ d Ⅰ FPM 2 mmⅣ10 Lauge - Hansen Ⅱ Ⅳ9 Ⅲ18 Ⅳ9 2mm 25% Ⅲ d5 ~ 8d 2 mm 25% Ⅳ E - mailsankuzhongjie@163. com E - mailyang. tieyi@yahoo. com. cn 48 Ⅲ d 5 ~ 36 Ⅲ26 12 P > 0. 05

2 cm h 3 1 /3 1 X 2 CT 1. 5cm 1 2 ~ 3 AOFAS 6 C X mm CT t P < Ⅲ Ⅳ mm1 Ⅲ 81 1 Ⅳ ~ 2 1 AOFAS 1 AOFAS X 2 1 AOFAS P > n 1 90 ~ 100 SPSS P < AOFAS 80 ~ ~ 80 < /% 2 x 珋 ± s n 1 AOFAS / / ± ± ± ± ± ± t P / 24 IV META Lauge - Hansen IV 13

3 P > Lauge - Hansen Danis - Weber Ashurst - Bromer Lauge - Hansen Lauge - Hansen - Ⅲ - Ⅳ Ⅲ Ⅳ Ⅲ Ⅳ 1 /4 8 1 /4 1Koval KJ Lurie J Zhou W et al. Ankle fractures in the elderlywhat you get depends on where you live and who 9 you see J. Orthop Trauma J Fitzpatrick 7 3. J J Ⅲ2 5Leeds HC Ehrlich MG. Instability of the distal tibiofibular syndesmosis after bimalleolar and tri malleolar an- Ⅳ1 kle fracturesj. J Bone Joint Surg Am AOFAS J Fitzpartick DC Otto JK Mckinley TO et al. Kinematic 2 and contact stress analysis of posterior malleolus of the Ⅲ 1 Ⅳ 1 ankle J. Orthop Trauma mmAOFAS J Ⅲ Ⅳ DE Vries JSWijgman AJ Sierevect IN et a1. Long - term results of ankle fractures with a posteriormalleolar 10 fragmentj. J Foot Ankle Surg Strenge KBIdusuyi OB. Technique tippercutaneus screw fixation of posterior malleolar fractures J. Foot 2 Ankle Int

4 8. MRI 789 values s /mm 2 had significantly statistical differencep < ADH and normal breast tissue in two different b values s /mm 2 showed significantly statistical differencep < TDLU hyperplasia and normal breast tissue in two different b values s /mm 2 had significantly statistical differencep < About % lesions of the intraductal hyperplasia Lesions of Breast showed high signal or a little high signal in DWI. Conclusion In diffusion weighted imaging of MRIthe larger b value is the smaller lesions' ADC value tend tothe smaller lesions' ADC value is the more malignant lesions tend toabout % lesions of the intraductal hyperplasia Lesions of breast show high signal or a little high signal in DWI. Thereforecurrently we suggest that if we only rely on DWI it is difficult to diagnose the intraductal hyperplasia Lesions of Breast. Key wordsbreastintraductal hyperplasiamagnetic resonance imagingdiffusion weighted imaging 785 A Clinical Comparative Study of Percutaneous Cannulated Screw Versus Plate Fixation for Posterior Ankle Fractures LEI Lei 1 YANG Tie - yi 2 WANG Zhi 2 ZHENG Shi - wei 2 LIU Shu - yi 2 LIU Yue 2 1. Ningxia Medical University Yinchuan Orthopeadic Department of Gongli HospitalShanghai AbstractObjective To compare the functional and radiographic outcomes of percutaneous cannulated screw and plate fixation in treatment of patients with posterior ankle fractures. Methods From January 2006 to March patients with posterior ankle fractures were treated with percutaneous cannulated screw or plate fixation. Their functional and radiographic outcomes were reviewed to compare the differences in bone u- nion time full weight - bearing timeamerican orthopaedic foot and ankle societyaofasscores and complications. Results 84 cases had complete follow - up records and a mean follow - up of months range 12 to 23 months. 11 complications occurred in the cannulated screw fixation group. The mean full weight - bearing time and radiographic bone union time were and 9. 1 weeks respectively in the cannulated screw fixation group which had a mean AOFAS score of points. Six complications were found in the plating group. The mean full weight - bearing time and radiographic bone union time were and 8. 8 weeks respectively in the plating group which had a mean AOFAS score of points. There were no significant differences between the two groups except AOFAS score aspect. Conclusion For big side or comminuted posterior ankle fractures the plate fixation is a good choice for patient of a necessary condition of ankle joint early functional exercise. Key wordsposterior ankle fractureplate internal fixationcannulated screw internal fixationjoint function

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