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Hoffa's fat pad

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https://www.readbyqxmd.com/read/27299075/ganglion-cyst-of-knee-from-hoffa-s-fat-pad-protruding-anterolaterally-through-retinacular-rent-a-case-report
#1
Partha Saha, Utpal Bandyopadhyay, Anindya S Mukhopadhyay, Srikanta Kundu, Subhadip Mandal
INTRODUCTION: Intra-articular ganglion cysts of the knee joint are rare occurrences. They are usually encountered as incidental findings in magnetic resonance imaging (MRI), or in arthroscopy. They may originate from both the cruciate ligaments and the menisci, from the popliteus tendon and alar folds, infrapatellar fat pad of Hoffa, and subchondral bone cysts. Those arising from the Hoffa's fat pad, usually present as palpable mass at anterior aspect of the knee joint. We report a case of intraarticular ganglion cyst of knee arising from the infrapatellar fat pad and protruding anterolaterally through retinacular rent into the subcutaneous plane...
July 2015: Journal of Orthopaedic Case Reports
https://www.readbyqxmd.com/read/27232667/mesenchymal-stromal-cells-from-human-umbilical-cords-display-poor-chondrogenic-potential-in-scaffold-free-three-dimensional-cultures
#2
A Islam, A K Hansen, C Mennan, I Martinez-Zubiaurre
Many researchers world over are currently investigating the suitability of stromal cells harvested from foetal tissues for allogeneic cell transplantation therapies or for tissue engineering purposes. In this study, we have investigated the chondrogenic potential of mesenchymal stromal cells (MSCs) isolated from whole sections of human umbilical cord or mixed cord (UCSCs-MC), and compared them with cells isolated from synovial membrane (SMSCs), Hoffa's fat pad (HFPSCs) and cartilage. All MSCs were positive for surface markers including CD73, CD90, CD105, CD44, CD146 and CD166, but negative for CD11b, CD19, CD34, CD45 and HLA-DR in addition to CD106 and CD271...
2016: European Cells & Materials
https://www.readbyqxmd.com/read/27213085/correlation-between-focal-nodular-low-signal-changes-in-hoffa-s-fat-pad-adjacent-to-anterior-femoral-cartilage-and-focal-cartilage-defect-underlying-this-region-and-its-possible-implication
#3
Chermaine Deepa Antony, John George, Wuey Min Ng, Manimalar Selvi Naicker Subramaniam
Purpose. This study investigates the association between focal nodular mass with low signal in Hoffa's fat pad adjacent to anterior femoral cartilage of the knee (FNMHF) and focal cartilage abnormality in this region. Method. The magnetic resonance fast imaging employing steady-state acquisition sequence (MR FIESTA) sagittal and axial images of the B1 and C1 region (described later) of 148 patients were independently evaluated by two reviewers and categorized into four categories: normal, FNMHF with underlying focal cartilage abnormality, FNMHF with normal cartilage, and cartilage abnormality with no FNMHF...
2016: Scientifica
https://www.readbyqxmd.com/read/27206691/structural-abnormalities-on-magnetic-resonance-imaging-in-patients-with-patellofemoral-pain-a-cross-sectional-case-control-study
#4
Rianne A van der Heijden, Janneke L M de Kanter, Sita M A Bierma-Zeinstra, Jan A N Verhaar, Peter L J van Veldhoven, Gabriel P Krestin, Edwin H G Oei, Marienke van Middelkoop
BACKGROUND: Structural abnormalities of the patellofemoral joint might play a role in the pathogenesis of patellofemoral pain (PFP), a common knee problem among young and physically active individuals. No previous study has investigated if PFP is associated with structural abnormalities of the patellofemoral joint using high-resolution magnetic resonance imaging (MRI). PURPOSE: To investigate the presence of structural abnormalities of the patellofemoral joint on high-resolution MRI in patients with PFP compared with healthy control subjects...
September 2016: American Journal of Sports Medicine
https://www.readbyqxmd.com/read/27118690/imaging-of-traumatic-injury-and-impingement-of-anterior-knee-fat
#5
F Lapègue, N Sans, C Brun, S Bakouche, N Brucher, Z Cambon, H Chiavassa, A Larbi, M Faruch
Fat is not just used by the body as bulk tissue. In addition to its role in storing energy and regulating hormone action, fat is used in some parts of the body for its mechanical properties. The anatomy of anterior knee fat is more complex than it appears at first sight and is capable of withstanding considerable compressive and shear stress. Specific lesions occur when such mechanical stress exceeds the physiological limits and are yet little known. Superficial fat can be the site of either acute injury by closed degloving called the Morel-Lavallée lesion or chronic injury, when subject to repeat excessive shear forces, due to more complex and less well-defined disruptions that result in pseudo-bursitis...
July 2016: Diagnostic and Interventional Imaging
https://www.readbyqxmd.com/read/27068617/inflammation-of-the-infrapatellar-fat-pad
#6
Florent Eymard, Xavier Chevalier
The infrapatellar fat pad (IFP) of Hoffa's fat pad is the main adipose structure within the knee joint. It is located between the joint capsule and the synovial membrane, which lines its posterior aspect. The IFP is composed chiefly of adipocytes and receives an abundant supply of blood vessels and nerves. Immune cells can infiltrate the IFP, which can become a major source of numerous proinflammatory mediators (cytokines and adipokines). The physiological role for the IFP remains unclear but may involve shock absorption and the protection of adjacent tissues...
July 2016: Joint, Bone, Spine: Revue du Rhumatisme
https://www.readbyqxmd.com/read/27000624/hoffa-s-fat-pad-abnormalities-knee-pain-and-magnetic-resonance-imaging-in-daily-practice
#7
REVIEW
F Draghi, G Ferrozzi, L Urciuoli, C Bortolotto, S Bianchi
Hoffa's (infrapatellar) fat pad (HFP) is one of the knee fat pads interposed between the joint capsule and the synovium. Located posterior to patellar tendon and anterior to the capsule, the HFP is richly innervated and, therefore, one of the sources of anterior knee pain. Repetitive local microtraumas, impingement, and surgery causing local bleeding and inflammation are the most frequent causes of HFP pain and can lead to a variety of arthrofibrotic lesions. In addition, the HFP may be secondarily involved to menisci and ligaments disorders, injuries of the patellar tendon and synovial disorders...
June 2016: Insights Into Imaging
https://www.readbyqxmd.com/read/26984660/infrapatellar-fat-pad-syndrome-a-review-of-anatomy-function-treatment-and-dynamics
#8
REVIEW
James Mace, Waqar Bhatti, Sanjay Anand
The infrapatellar (Hoffa's) fatpad is an important structure within the knee, whose function and role are both poorly understood. This review explores the anatomy, neural innervation, vascularity, role in biomechanics, pathology, imaging (stressing the importance of dynamic ultrasound assessment) and treatment of disorders presenting within this structure.
March 2016: Acta Orthopaedica Belgica
https://www.readbyqxmd.com/read/26922106/synovial-hemangioma-of-infrapatellar-hoffa-fat-pad-magnetic-resonance-imaging-and-ultrasound-features
#9
Valeria Beltrame, Giovanna Romanucci, Francesco Zulian, Roberto Stramare
No abstract text is available yet for this article.
May 2016: Journal of Pediatrics
https://www.readbyqxmd.com/read/26650927/imaging-findings-of-hoffa-s-fat-pad-herniation
#10
Nancy A Chauvin, Asef Khwaja, Monica Epelman, Michael J Callahan
BACKGROUND: We report the radiologic findings of herniation of Hoffa's fat pad through a defect in the lateral patellar retinaculum in young children who presented with painless masses visible by ultrasound (US) only with flexion of the knee. MATERIAL AND METHODS: Six children, between the ages of 1-8 years, presented with an anterolateral knee mass that was not tender and was only seen and palpable with knee flexion. An US was performed in all patients, magnetic resonance imaging (MRI) in 2 patients and knee radiographs in 1 patient...
April 2016: Pediatric Radiology
https://www.readbyqxmd.com/read/26502189/evaluation-treatment-and-rehabilitation-implications-of-the-infrapatellar-fat-pad
#11
Joseph Hannon, Sean Bardenett, Steven Singleton, J Craig Garrison
CONTEXT: The infrapatellar fat pad (IFP) is in the anterior knee compartment and may be a major pain generator. EVIDENCE ACQUISITION: A PubMed database search using the terms Hoffas fat pad, anterior interval, and infrapatellar fat pad was performed from the years 1970 to 2015. STUDY DESIGN: Clinical review. LEVEL OF EVIDENCE: Level 5. RESULTS: Limited research exists examining the role of the IFP in relation to potential treatment and rehabilitation implications...
March 2016: Sports Health
https://www.readbyqxmd.com/read/26455999/magnetic-resonance-imaging-of-hoffa-s-fat-pad-and-relevance-for-osteoarthritis-research-a-narrative-review
#12
REVIEW
F W Roemer, M Jarraya, D T Felson, D Hayashi, M D Crema, D Loeuille, A Guermazi
OBJECTIVE: To give an illustrative overview of Hoffa's fat pad pathology with a radiologic emphasis on the anatomy, on technical considerations, and on imaging differential diagnoses in the context of osteoarthritis (OA) imaging research. DESIGN: A PubMed database search including only English literature and covering a 20 year period was performed. The search was based on but no limited to the query terms "Hoffa", "Hoffa's fat pad" or "infrapatellar fat pad (IPFP)" in combination with "synovitis", "OA", and "magnetic resonance imaging (MRI)"...
March 2016: Osteoarthritis and Cartilage
https://www.readbyqxmd.com/read/26430484/hoffa-s-fat-pad-tumours-like-results-of-the-arthroscopic-resection
#13
Atif Mechchat, Hatim Abid, Hammou Nassreddine, Soufiane Bensaad, Elidrissi Mohammed, Shimi Mohammed, Elibrahimi Abdelhalim, Elmrini Abdelmajid
We performed a retrospective cohort study to increase awareness in orthopaedic community of this rare but interesting disease which is often misdiagnosed as meniscal pathology and to analyze present results of arthroscopic resection in seven patients. we retrospectively reviewed records from 2008-2012 and identified 7 patients with symptomatic Hoffa's fat pad impingement. The diagnosis was made by clinical exam, MRI imaging and verified arthroscopically. Of the 7 patients 2 were excluded due to receiving open resection...
2015: Pan African Medical Journal
https://www.readbyqxmd.com/read/26418539/superolateral-hoffa-s-fat-pad-edema-in-collegiate-volleyball-players
#14
Kaushal Mehta, Robert Wissman, Eric England, Albert Dʼheurle, Keith Newton, Keith Kenter
OBJECTIVE: Superolateral Hoffa's fat pad (SHFP) edema is a previously described magnetic resonance (MR) finding located between the patellar tendon and the lateral femoral condyle. The purpose of our study was to determine the prevalence and clinical significance of SHFP edema in female collegiate volleyball players. MATERIALS AND METHODS: Sixteen female collegiate volleyball players were consented for bilateral knee evaluations which consisted of history, physical examination and MR imaging...
November 2015: Journal of Computer Assisted Tomography
https://www.readbyqxmd.com/read/26265880/giant-intra-articular-extrasynovial-osteochondroma-of-the-hoffa-s-fat-pad
#15
Debraj Sen, Lovleen Satija, K S Kumar, Vikas Rastogi, B S Sunita
No abstract text is available yet for this article.
July 2015: Medical Journal, Armed Forces India
https://www.readbyqxmd.com/read/26091702/alterations-in-hoffa-s-fat-pad-induced-by-an-inflammatory-response-following-idealized-anterior-cruciate-ligament-surgery
#16
Nathan M Solbak, Bryan J Heard, Yamini Achari, May Chung, Nigel G Shrive, Cyril B Frank, David A Hart
OBJECTIVE: To determine whether inflammation following anterior cruciate ligament (ACL) reconstruction leads to long-term pathological changes in the infrapatellar fat pad (IPFP or Hoffa's fat pad) which could compromise the integrity of the knee joint. MATERIALS AND METHODS: Sixteen mature sheep underwent anatomic idealized ACL reconstruction surgery (ACL-R) and were sacrificed at 2 weeks (n = 9) and 20 weeks (n = 7) post-ACL-R. Five additional animals served as unoperated controls...
August 2015: Inflammation Research: Official Journal of the European Histamine Research Society ... [et Al.]
https://www.readbyqxmd.com/read/26012244/solitary-synovial-chondromatosis-as-a-cause-of-hoffa-s-fat-pad-impingement
#17
Mirsad Maljanovič, Vladimir Ristič, Predrag Rasovič, Radmila Matijevič, Vukadin Milankov
INTRODUCTION: Synovial chondromatosis is a benign disease of synovial membrane usually affecting knee, elbow and shoulder joints. It rarely appears as a solitary formation and exceptionally within Hoffa's fat pad. CASE REPORT: We report a case of solitary synovial chondromatosis within Hoffa's fat pad as a cause of its impingement in a female patient aged 63. At first, the patient had anterior knee pain with limited extension of the knee. Standard radiogram showed only mild patellofemoral osteoarthritic changes...
January 2015: Medicinski Pregled
https://www.readbyqxmd.com/read/25940708/change-in-t2-relaxation-time-of-hoffa-fat-pad-correlates-with-histologic-change-in-a-rat-anterior-cruciate-ligament-transection-model
#18
Chao-Ying Wang, Ping-Huei Tsai, Tiing Yee Siow, Herng-Sheng Lee, Yue-Cune Chang, Yi-Chih Hsu, Shih-Wei Chiang, Ming-Huang Lin, Hsiao-Wen Chung, Guo-Shu Huang
The Hoffa fat pad (infrapatellar fat pad) is a source of post-traumatic anterior knee pain, and Hoffa disease is a syndrome leading to chronic inflammation of the fat pad. Herein, change in T2* relaxation time of the fat pad was measured in a rodent anterior cruciate ligament transection (ACLX) model in order to (i) examine the causal relationship of anterior cruciate ligament (ACL) deficiency and Hoffa disease and (ii) demonstrate the feasibility of using T2* as an imaging biomarker to monitor disease progression...
September 2015: Journal of Orthopaedic Research: Official Publication of the Orthopaedic Research Society
https://www.readbyqxmd.com/read/25935799/the-surgical-treatment-of-anterior-knee-pain-due-to-infrapatellar-fat-pad-pathology-a-systematic-review
#19
REVIEW
A Rooney, A J Wahba, T O Smith, S T Donell
BACKGROUND: Anterior knee pain (AKP) encompasses a range of pathologies. As a result, there are a number of therapeutic options used to treat AKP. The non-operative treatments have been analysed in a number of randomised controlled trials and systematic reviews. There is however a scarcity of such publications covering the surgical management of AKP. There are no systematic reviews that have investigated surgical interventions for AKP due to pathology of the infrapatellar fat pad (IFP)...
June 2015: Orthopaedics & Traumatology, Surgery & Research: OTSR
https://www.readbyqxmd.com/read/25929973/severe-radiographic-knee-osteoarthritis-does-kellgren-and-lawrence-grade-4-represent-end-stage-disease-the-most-study
#20
MULTICENTER STUDY
A Guermazi, D Hayashi, F Roemer, D T Felson, K Wang, J Lynch, S Amin, J Torner, C E Lewis, M C Nevitt
OBJECTIVE: To determine what MRI-detectable osteoarthritis features that are not visualized on radiography demonstrate progression longitudinally in Kellgren and Lawrence (KL) grade 4 knees. METHODS: We studied subjects from the Multicenter Osteoarthritis Study who had KL grade 4 knees at baseline and had baseline and 30-month MRI. Cartilage damage, bone marrow lesions (BMLs), meniscal damage, synovitis (signal changes in Hoffa fat pad), and effusion (fluid equivalent signal in the joint cavity) were semiquantitatively scored using the Whole Organ MRI Score (WORMS) system in five subregions of the medial and lateral tibiofemoral (TF) compartments...
September 2015: Osteoarthritis and Cartilage
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