金属对陶瓷全髋关节翻修术后一年假瘤合并植入物松动：一例报告
Pseudotumour Complicated by Implant Loosening One Year After revision Ceramic on Metal Total Hip Arthroplasty: A Case Report.
作者信息
Lakhotia Devendra, Kumar Prashant
机构信息
Department of Orthopaedics, Institute for Medical Sciences and Research Centre, Jaipur National University, Jagatpura, Jaipur, Rajasthan, India.
Department of Orthopaedics, Trauma Centre, Banaras Hindu University, Varanasi, Uttar Pradesh, India.
出版信息
J Orthop Case Rep. 2017 Jan-Feb;7(1):82-86. doi: 10.13107/jocr.2250-0685.700.
INTRODUCTION
Pseudotumor is not an uncommon complication after total hip arthroplasty (THA). This can occur in relationship to different bearing surfaces of head and liner ranging from soft to hard articulation. There is wide spectrum of presentation from asymptomatic to implant failure.
CASE REPORT
We report a case of pseudotumor formation with acetabular cup aseptic loosening after revision ceramic on metal hip arthroplasty. The patient underwent pseudotumor excision and re-revision complex arthroplasty procedure using trabecular metal shell and buttress with ceramic on polyethylene THA.
CONCLUSION
The surgeon should aware of this complication during a presentation in revision cases to prevent rapid progression of cup loosening, and to intervene early to avoid complex arthroplasty procedures.
引言
假肿瘤是全髋关节置换术（THA）后并不罕见的并发症。这可能与股骨头和髋臼内衬从软到硬的不同关节面有关。其表现范围广泛，从无症状到植入物失败。
病例报告
我们报告一例翻修陶瓷对金属髋关节置换术后出现假肿瘤形成并伴有髋臼杯无菌性松动的病例。该患者接受了假肿瘤切除及再次翻修的复杂关节置换手术，采用小梁金属髋臼杯和支撑结构以及陶瓷对聚乙烯全髋关节置换术。
结论
在翻修病例中，外科医生应意识到这种并发症，以防止髋臼杯松动快速进展，并尽早进行干预以避免复杂的关节置换手术。
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