Department of Orthopedic Surgery, Amsterdam University Medical Center, Amsterdam, Netherlands.
Division of Orthopaedic Surgery, McGill University Health Centre, Shriners Hospital for Children, Montreal, QC, Canada.
Front Endocrinol (Lausanne). 2021 Jan 21;11:603638. doi: 10.3389/fendo.2020.603638. eCollection 2020.
Injuries to the quadriceps extensor mechanism are rare in patients with Osteogenesis Imperfecta (OI). To the best of our knowledge, non-union of the patella in OI, either as an isolated problem or in combination with an acute fracture, has not been previously reported.
We describe how we surgically approached both the fracture and the non-union simultaneously. The surgical technique and steps are described in detail. Post-operative course was uneventful and the outcome was favorable, with full return of function for the patient.
A review of various knee extensor mechanism injuries in OI is described as illustrated in a single patient. The unusual simultaneous surgical treatment of a non-union and an acute fracture in the same patella shows that despite the severely compromised bone in this rare bone disease the bone still has a capacity to heal with a functional outcome.
成骨不全症（OI）患者的股四头肌伸肌机制损伤较为罕见。据我们所知，OI 患者的髌骨不愈合（无论是单独发生还是与急性骨折同时发生）以前都没有报道过。
我们描述了如何同时对骨折和不愈合进行手术处理。详细描述了手术技术和步骤。术后过程顺利，结果良好，患者功能完全恢复。
本文描述了一例 OI 患者膝关节伸肌机制损伤的各种情况。同一髌骨的急性骨折和不愈合的同时进行的手术治疗较为罕见，这表明尽管在这种罕见的骨骼疾病中骨骼严重受损，但仍有一定的愈合能力，可获得良好的功能结果。
