Superior dislocation of the patella with intact patellar tendon is a rare condition. Most cases in literatures were diagnosed by clinical examination and plain radiography; however there are many cases that were misdiagnosed as patellar tendon rupture. In this case, we demonstrate the use of ultrasound for diagnosis of superior dislocation of the patella in the emergency department. We also include a literature review of similar cases and discuss the advantages of different types of imaging for diagnosis in this condition.
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http://dx.doi.org/10.1155/2016/2037381 | DOI Listing |
Front Surg
December 2024
Department of Orthopedics, The First Affiliated Hospital of Shandong First Medical University & Shandong Provincial Qianfoshan Hospital, Jinan, Shandong, China.
Background: Hemophilic arthritis (HA) is associated with significant changes in the morphology of mature knee joints due to abnormal growth plate development. Previous studies have established marked distinctions between the femur and tibia of subjects with Haemophilia and those with osteoarthritis (OA). This study explored the morphological characteristics of the patella and patellofemoral joint in subjects with Haemophilia.
View Article and Find Full Text PDFBMC Musculoskelet Disord
December 2024
Center for Joint Surgery, The First Hospital Affiliated to Army Medical University, Chongqing, 400038, China.
Background: Although chronic quadriceps tendon rupture and defect are rare, they pose significant challenges in surgical treatment. In these cases, quadriceps tendon reconstruction is necessary. Either autologous or allogeneic tendons have been used for this reconstruction.
View Article and Find Full Text PDFArch Phys Med Rehabil
December 2024
Graduate School of Health Sciences, Morinomiya University of Medical Sciences, Osaka, Japan; Department of Physiotherapy, Morinomiya University of Medical Sciences, Osaka, Japan; Inclusive Medical Sciences Research Institute, Morinomiya University of Medical Sciences, Osaka, Japan; AR-Ex Medical Research Center, Tokyo, Japan. Electronic address:
Objective: To investigate the relationship between impaired gliding in the anterior knee region and anterior knee pain (AKP) in patients after total knee arthroplasty (TKA).
Design: Cross-sectional study.
Setting: Orthopedic hospital PARTICIPANTS: Patients aged >60 years who underwent TKA between June and September 2023 without abnormal components or postoperative infections.
Knee Surg Sports Traumatol Arthrosc
December 2024
Sporthopaedicum, Berlin, Germany.
Purpose: Sulcus-deepening trochleoplasty (TP) effectively treats patellofemoral (PF) instability (PFI) caused by high-grade trochlear dysplasia (TD), but current evidence is based on small case series. We hypothesised, that TP would result in significant functional improvements and a low re-dislocation rate but would not accelerate the progression of PF cartilage deterioration.
Methods: We retrospectively reviewed all TP cases performed by a single surgeon between 2015 and 2021.
J Clin Orthop Trauma
January 2025
St. George's University Hospitals NHS Foundation Trust, London, SW17 0QT, UK.
Introduction: medial patellofemoral ligament reconstruction (MPFLr) is a common surgical procedure for treating patellar instability. Grafts can be fixed to the femur using a bone-tunnel technique with an interference screw. However, this may lead to femoral tunnel enlargement (FTE) post-operatively.
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