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Abstract：
BACKGROUND: Osteopoikilosis (OPK) is a rare benign sclerosing bone dysplasia and is often incidentally found on plain radiography. OPK generally does not require treatment. Nevertheless, osteonecrosis or degenerative joint disease can occur in the setting of OPK, and little is known with regard to the longevity of arthroplasty prostheses implanted into OPK-bearing bones.
METHODS: A 55-year-old male presented with progressive right hip pain in 2012. He was diagnosed with coexisting osteopoikilosis and developmental dysplasia of the right hip with advanced osteoarthritis after a series of imaging studies including radiographs, magnetic resonance imaging (MRI), and bone scan. A cementless total hip arthroplasty was performed to treat his right hip pain. Radiographs at eight-year follow-up showed the prosthetic components were well-fixed. Harris hip score of the patient\'s right hip was 93. The patient can walk without assistance and work as a construction worker.
CONCLUSIONS: Cementless arthroplasty can be considered in patients with hip arthropathies and co-existing osteopoikilosis. Continued follow-up is required to establish the long-term results.
METHODS: A 55-year-old male presented with progressive right hip pain in 2012. He was diagnosed with coexisting osteopoikilosis and developmental dysplasia of the right hip with advanced osteoarthritis after a series of imaging studies including radiographs, magnetic resonance imaging (MRI), and bone scan. A cementless total hip arthroplasty was performed to treat his right hip pain. Radiographs at eight-year follow-up showed the prosthetic components were well-fixed. Harris hip score of the patient\'s right hip was 93. The patient can walk without assistance and work as a construction worker.
CONCLUSIONS: Cementless arthroplasty can be considered in patients with hip arthropathies and co-existing osteopoikilosis. Continued follow-up is required to establish the long-term results.
摘要：
背景：骨质疏松（OPK）是一种罕见的良性硬化性骨发育不良，通常在X线平片上偶然发现。OPK通常不需要治疗。然而，骨坏死或退行性关节病可发生在OPK的设置，关于植入OPK骨的关节成形术假体的寿命知之甚少。
方法：一名55岁男性患者于2012年出现进行性右髋部疼痛。经过一系列影像学检查，包括X光片，他被诊断为并发骨质疏松和右髋关节发育异常伴晚期骨关节炎，磁共振成像（MRI），和骨骼扫描。进行了无骨水泥全髋关节置换术以治疗他的右髋关节疼痛。8年随访的射线照片显示假体组件固定良好。患者右髋关节Harris评分为93分。患者可以在没有帮助的情况下行走，并作为建筑工人工作。
结论：对于合并有骨质疏松的髋关节病变患者，可以考虑进行无骨水泥置换。需要继续采取后续行动，以确定长期结果。
方法：一名55岁男性患者于2012年出现进行性右髋部疼痛。经过一系列影像学检查，包括X光片，他被诊断为并发骨质疏松和右髋关节发育异常伴晚期骨关节炎，磁共振成像（MRI），和骨骼扫描。进行了无骨水泥全髋关节置换术以治疗他的右髋关节疼痛。8年随访的射线照片显示假体组件固定良好。患者右髋关节Harris评分为93分。患者可以在没有帮助的情况下行走，并作为建筑工人工作。
结论：对于合并有骨质疏松的髋关节病变患者，可以考虑进行无骨水泥置换。需要继续采取后续行动，以确定长期结果。
