Surgical treatment of chondral defect of patella associated with patellar subluxation

Naif Alhamam, R. Dimentberg, Ahmed Almulhim, Omar Alanzi
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Abstract

We present the case of a 49-year-old patient brought to the hospital with sudden onset of pain and swelling after falling down on a flexed knee while playing football. In the history review, the patient denied any patellar dislocation, previous injury, and surgical interventions. Examination revealed a grossly swollen knee anteriorly, with tenderness and moderate-to-severe effusion. Magnetic resonance images showed injury to the medial patellofemoral ligament and loose cartilage fragments, which is a rare occurrence without patellar dislocation. Surgery was done 5-day postinjury. To prevent the future complication of the injury, the patient underwent open reduction and internal fixation of the osteochondral fragment with 3.0-mm cannulated screw. After a year, the patient underwent the removal of screw and diagnostic arthroscopy, which portrayed that the patella cartilage had healed. The patient return to playing football 9 months after the surgery.
髌骨软骨缺损伴髌骨半脱位的手术治疗
我们提出的情况下,一个49岁的病人带着突然发作的疼痛和肿胀后,摔倒在一个弯曲的膝盖,而踢足球。在病史回顾中,患者否认任何髌骨脱位、既往损伤和手术干预。检查显示膝关节前部严重肿胀,伴有压痛和中度至重度积液。磁共振图像显示内侧髌股韧带损伤和软骨碎片疏松,这是罕见的发生无髌骨脱位。手术于伤后5天进行。为防止以后的并发症,患者行切开复位并用3.0 mm空心螺钉内固定骨软骨碎片。一年后,患者接受了螺钉取出和诊断性关节镜检查,显示髌骨软骨已经愈合。患者术后9个月恢复踢足球。
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