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. 2019 Feb 26;3(2):168-169.
doi: 10.5811/cpcem.2019.1.41417. eCollection 2019 May.

A Man with Severe Right Knee Pain

Shinsuke Takeda  1   2   3 , Katsuyuki Iwatsuki  3 , Yosuke Takeichi  2 , Tomohiro Kano  2 , Akihiko Tabuchi  1 , Hitoshi Hirata  3
Affiliations

A Man with Severe Right Knee Pain

Shinsuke Takeda et al. Clin Pract Cases Emerg Med. .
No abstract available

PubMed Disclaimer

Conflict of interest statement

Conflicts of Interest: By the CPC-EM article submission agreement, all authors are required to disclose all affiliations, funding sources and financial or management relationships that could be perceived as potential sources of bias. The authors disclosed none.

Figures

Image 1
Image 1
High-riding patella (patella alta) (arrows): (upper) right knee and (lower) left knee. The Insall-Salvati ratio (length from the tibial tubercle to the inferior patellar pole divided by the length of the patella), as seen on the lateral view radiograph, is 1.86 in the right knee and 1.60 in the left knee. (Ratio >1.2 is defined as patella alta.)
Image 2
Image 2
Magnetic resonance sagittal T2-weighted image shows proximal patellar tendon rupture (enthesis of the patella) (arrow).
See this image and copyright information in PMC

References

    1. Flanigan DC, Troyer J, Everhart JS, et al. Extensor mechanism injuries: quadriceps and patellar tendon ruptures. In: Eltorai A, Eberson C, Daniels A, editors. Orthopedic Surgery Clerkship. Cham, Switzerland: Springer Publishing; 2017. pp. 309–313.
    1. Kelly DW, Carter VS, Jobe FW, et al. Patellar and quadriceps tendon ruptures – jumper’s knee. Am J Sports Med. 1984;12(5):375–80. - PubMed
    1. Siwek CW, Rao JP. Ruptures of the extensor mechanism of the knee joint. J Bone Joint Surg Am. 1981;63(6):932–7. - PubMed
    1. Kellersmann R, Blattert TR, Weckbach A. Bilateral patellar tendon rupture without predisposing systemic disease or steroid use: a case report and review of the literature. Arch Orthop Trauma Surg. 2005;125(2):127–33. - PubMed