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Total Diz Protezi Cerrahisinin Nadir Görülen Bir Komplikasyonu: Femur Boynu Stres Kırığı

A Rare Complication of Total Knee Prosthesis: Femoral Neck Stress Fracture

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Abstract (2. Language): 
Femoral neck stress fractures are rarely seen following the total knee arthroplasty. Non-displaced fractures may not be seen on direct radiographies, in which case magnetic resonance imaging and bone scintigraphy are two important diagnostic tools. An eighty-year-old female patient admitted to the hospital with a severe inguinal pain and a marked limp. Radiographies were negative, but magnetic resonance imaging revealed a fracture line at the inferior femur neck as a linear signal density. The patient was allowed to walk with non weight bearing to the left lower extremity for 6 weeks. She was symptomless at the first year of follow-up. As a result, inguinal pain after total knee arthroplasty should raise a suspicion of a stress fracture of the neck of femur and early diagnosis of stress fractures could lower the morbidity and mortality.
Abstract (Original Language): 
Total diz protezi cerrahisi sonrası femur boynu stres kırıkları nadir görülür. Deplase olmayan ilk 2–3 hafta direkt radyografik değerlendirmede bulgu vermeyebilir, manyetik rezonans görüntüleme (MRG) ve kemik sintigrafisi önem taşır. Total diz artroplastisi uygulanan 80 yaşında bayan hasta 3 ay sonra sol inguinal bölgede şiddetli ağrı ve topallama şikayeti ile başvurdu. Radyografide kırık lehine bulgu yoktu, manyetik rezonans görüntülemede sol femur boynu inferiorunda lineer düşük sinyal dansitesi şeklinde kırık hattı belirgin olarak görülmekteydi. Stres kırığı olan hastamızda tanı sonrası 6 hafta süreyle sol alt ekstremitesine yük vermesi engellendi. Onikinci aylardaki kontrollerde hastanın klinik şikayeti olmadığı görüldü. Sonuç olarak total diz artroplastisi sonrası, inguinal bölgede ağrısı bulunan yaşlı hastalarda şüpheci olunmalı; stres kırıkları açısından erken tanının morbidite ve mortaliteyi en aza indireceği unutulmamalıdır.
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