A 61-year-old F presents to the ED from the orthopedic clinic with acute right knee pain. She endorses that while a physical exam was being performed, she had sudden onset knee pain. Denies any trauma to the knee, radiation of pain, numbness, tingling, or swelling. The above knee radiographs were obtained (Images courtesy of John Kiel, DO).
References:
- Gidwani, S., & Langkamer, V. Recurrent dislocation of a posterior-stabilized prosthesis: A series of three cases. The Knee, 2001;8(4), 317-320. PMID: 11706695.
- Lee, H. M., Kim, J. P., Chung, P. H., Kang, S., Kim, Y. S., & Go, B. S. Posterior dislocation following revision total knee replacement arthroplasty: A case report and literature analysis. European Journal of Orthopaedic Surgery & Traumatology, 2018;28(8), 1641-1644. PMID: 29797093.
- Villanueva, M., Ríos-Luna, A., Pereiro, J., Fahandez-Saddi, H., & Pérez-Caballer, A. Dislocation following total knee arthroplasty: A report of six cases. Indian Journal of Orthopaedics, 2010;44(4), 438. PMID: 20924487.
- Chang, M. J., Lim, H., Lee, N. R., & Moon, Y. (2014). Diagnosis, Causes and Treatments of Instability Following Total Knee Arthroplasty. Knee Surgery & Related Research, 26(2), 61-67. PMID: 24944970.