Background: The aetiology of anterior knee pain is multifactorial, and any patellofemoral structure can be the cause of the symptoms.
Introduction: For the last decades, the suprapatellar fat pad is studied as a potential cause of anterior knee pain. Since the results in the literature are contradictory, in this study, we tried to reevaluate the role of the suprapatellar fat pad in the development of anterior knee pain.
Methods: Total 156 knee MRIs of 150 patients from December 2015 to July 2019 were retrospectively evaluated by a radiologist for the configuration of the suprapatellar fat pads. The population was divided into two groups according to the presence of anterior knee pain. Maximum craniocaudal, anteroposterior and oblique diameters, and relative signal intensity indexes of the suprapatellar fat pads were measured and compared between the groups. Configurations of the fat pads were recorded, and measurements of the triangular-shaped and convex posterior bordered suprapatellar fat pads were compared. A student t-test was used for statistical analysis. Statistically, significant differences and correlations were defined as p<0.05.
Results: The diameters and relative signal intensity indexes of the fat pads showed no significant difference between the groups (p=0.588, 0.744, 0.874, and 0.201, respectively). Anteroposterior and oblique diameters and relative signal intensity indexes of the suprapatellar fat pads were correlated with the convex posterior border (p=0.001, 0.003, and 0.000, respectively).
Conclusion: Oedema-like changes of the suprapatellar fat pad seen at knee MRIs are correlated with the configuration of the fat pad but are rarely associated with anterior knee pain.
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http://dx.doi.org/10.2174/1573405617666210129114110 | DOI Listing |
Cureus
September 2024
Orthopaedics and Traumatology, University Emergency Hospital, Bucharest, ROU.
J Med Ultrason (2001)
September 2024
Department of Orthopaedic Surgery, Graduate School of Medical Sciences, Kanazawa University, 13-1 Takaramachi, Kanazawa, Ishikawa, 920-8641, Japan.
J Anat
April 2024
Section of Human Anatomy, Department of Neurosciences, University of Padova, Padua, Italy.
The suprapatellar fat pad is an adipose tissue located in the anterior knee whose role in osteoarthritis is still debated. Considering that anatomy drives function, the aim of this histotopographic study was to investigate the specific morphological features of the suprapatellar fat pad versus the infrapatellar fat pad in the absence of osteoarthritis, for a broad comparative analysis. Suprapatellar fat pad and infrapatellar fat pad tissue samples (n = 10/group) underwent microscopical/immunohistochemical staining and transmission electron microscopy analysis; thus, tissue-specific characteristics (i.
View Article and Find Full Text PDFAcad Radiol
April 2024
Peking University Third Hospital, Department of Radiology, 49 North Garden Road, Haidian District, Beijing, PR China (Q.W., X.X., Y.C., K.L., N.L.). Electronic address:
Objectives: To develop a deep learning (DL) model for segmentation of the suprapatellar capsule (SC) and infrapatellar fat pad (IPFP) based on sagittal proton density-weighted images and to distinguish between three common types of knee synovitis.
Materials And Methods: This retrospective study included 376 consecutive patients with pathologically confirmed knee synovitis (rheumatoid arthritis, gouty arthritis, and pigmented villonodular synovitis) from two institutions. A semantic segmentation model was trained on manually annotated sagittal proton density-weighted images.
Arthrosc Tech
July 2023
Department of Orthopaedics and Traumatology, North District Hospital, Hong Kong SAR, China.
Synovial osteochondromatosis is a benign process that most commonly affects the knee joint (70%). It is characterized by proliferative metaplasia of synovial membrane into chondrocytes, resulting in the formation of multiple cartilaginous nodules, which can detach from the synovium to become multiple intra-articular loose bodies. It usually involves the anterior compartment, including infrapatellar fat pad, suprapatellar pouch, and anterior interval, and rarely involves the posterior compartment of the knee.
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