Repeat 3 times. Diagnosis is made clinically with pain over the medial parapatellar region with possible palpation of a thickened cord. Underlying evidence of lateral patellar maltracking with patellar alta and trochlear dysplasia (asymmetrically small medial trochlear facets). Trochlear dysplasia with asymmetrically small medial facet which is < 40% the width of the lateral facet. Radiology (ESSR), and American Institute of Ultrasound in Medicine (AIUM) serve as a framework for proper utilization of ultrasound in clinical PM&R practice [5]. Check for errors and try again. The patella height ratio of 1.4 is consistent with patella alta. Because disease in this region is not uncommon, it is important to be familiar with the various pathologic entities that may occur here. Hoffa disease was described in 1904 as a syndrome of infrapatellar fat-pad impingement related to an inflamed fat pad of . Check for errors and try again. Ultrasound appearances ofHoffa's fat pad impingement syndromefrom patellar maltracking. Patient Data Age: 35 years Gender: Male ultrasound 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. Patella alta is usually defined as a height ratio of > 1.3. Annotated image Annotated image The patella height ratio of 1.4 is consistent with patella alta. Like the impingement syndrome of the infrapatellar fat pad, also known as Hoffa'sdisease[4, 5, 14-16], abnormalities may also be found in the SPFPs that have typical MRI findings and may be associated with clinical symptoms [10, 11, 17, 18]. Hoffa's (infrapatellar) fat pad (HFP) is one of the knee fat pads interposed between the joint capsule and the synovium. Coronal STIR Sub-synovial swelling and edema between the lateral femoral condyle and the lateral patellar ligament at the apex patellae. 4 Radiology Institute, University of Pavia, Via Oberdan 21, 27100, . Series: Medical Radiology Title: Imaging of Orthopedic Sports Injuries Edition: 2nd ed. ADVERTISEMENT: Supporters see fewer/no ads. Squat down keeping your knee in line with the toes and your pelvis level. Gielen (eds.) {"url":"/signup-modal-props.json?lang=us\u0026email="}, Ibrahim D, Hoffa fat pad impingement syndrome. Simply, it is either an acute or chronic inflammation or impingement of the infrapatellar fat pad causing pain, swelling and loss of function. This syndrome was first described by Hoffa in 1904. As your technique improves and pain reduces, you can progress the exercises to a deeper squat. Publication types Research Support, N.I.H., Extramural MeSH terms Adipose Tissue / pathology* Adolescent Adult Analysis of Variance HFP disorders are related to traumas, involvement from adjacent disorders and masses. The fat pad has an excellent nerve supply, which explains why an injury or damage to it can cause significant pain. Hoffa's fat pad is a normal part of the human anatomy, and acts as a shock-absorber to cushion the patella and stop it from hitting off the femur (thigh bone) in the case of a direct blow to the front of the knee. There is a recognized female predilection. The Hoffa's fat pad acts as a protective cushion, which separates the kneecap from the shin and thigh bones, protecting the condyle of the femur from being hit by the patella in the case of a direct blow to the kneecap. Plica syndrome is defined as a painful impairment of knee function resulting from the thickened and inflamed synovial folds (usually medial). Chondromalacia patella with generally increased cartilage signal and focal fissuring centrally and trace associated subchondral edema. The normal ratio is 1.1. . Radiological findings include focal area of high T2 signal (edema) at the inferolateral aspect of the patellofemoral joint, within the superolateral portion of the infrapatellar fat pad. Reduce the likelihood of injury aggravation. Fat Pad Impingement. With biomechanics, the fat pad is more susceptible to being pinched if there is excessive movement of the knee into extension (straightening of the knee), such as with hypermobility. This time a femoral arteri-ography under local anesthesia was performed. Tends to occur in young adults. Read this in-depth article to find out more. The inflamed fat pad then becomes hypertrophied with predisposition to impingement between the tibia and femur, and thus to further injury. However, there were more women Infrapatellar fat pad (IFP) impingement, first described by Hoffa1)in 1904, is an impingement syndrome caused by edema and swelling of the IFP between the patella and the femoral condyle. Patients with abnormalities of the HFP on MRI are often but not always symptomatic. The patella height ratio of 1.4 is consistent with patella alta. The fat below the caudal margin of the patella shows an abnormal increased signal (arrows), associated with moderate patella alta. pivot-shift injury. So what is Infrapatellar fat pad impingement? Patella alta is usually defined as a height ratio of > 1.3. valgus stress to flexed and externally rotated knee; contusion pattern: posterolateral tibial plateau and mid part of lateral femoral condyle The infrapatellar fat pad of Hoffa is commonly injured but rarely discussed in the radiological literature. Hoffa impingement. Sometimes after an acute impact or repetitive traumas, the fat pad can become impinged (pinched) between the distal thigh bone, femoral condyle, and the patella. ic changes, and fat pad impingement, all of . Saxena S, Patel DD, Shah A, Doctor M The Indian journal of radiology & imaging , November , 2021 Underlying evidence of lateral patellar maltracking with patellar alta and trochlear dysplasia (asymmetrically small medial trochlear facets). Conclusion: The findings in our study suggest that edema in superolateral Hoffa's fat pad may be an important indicator of underlying patellofemoral maltracking or impingement in younger, symptomatic patients. Repetitive local microtraumas, impingement, and surgery causing local bleeding and inflammation are the most frequent causes of HFP pain and can lead . Symptomatic echogenic edematous fat within the proximal lateral portion of Hoffa's fat pad consistent with Hoffa's fat pad impingement syndrome (patella tendon lateral femoral condyle friction syndrome) from patellar maltracking. Push back up to the starting position. Department of Radiology, 412 General Military Hospital-212 Mobile Army Surgical Hospital, Terma Lefkou Pyrgou, Xanthi, 67100 Greece . . MRI Axial PD Increased T2 signal within Hoffa's fat pad located between the proximal patellar tendon and lateral femoral condyle consistent with patellar tendon lateral femoral condyle friction syndrome also known as Hoffa fat pad impingement syndrome. Author(s): Filip M. Vanhoenacker,Mario Maas,Jan L.M.A. The IFP is densely innervated2-4), so impingement can cause acute or chronic sharp pain in the infrapatellar region5-7). A variety of benign cystic or "cyst-like" lesions may be encountered during a routine magnetic resonance imaging . Increased T2 signal within Hoffa's fat pad located between the proximal patellar tendon and lateral femoral condyle consistent with patellar tendon lateral femoral condyle friction syndrome also known as Hoffa fat pad impingement syndrome. {"url":"/signup-modal-props.json?lang=us\u0026email="}, Dixon A, Hoffa's fat pad impingement syndrome (ultrasound). Unable to process the form. A: The thickness of Hoffa's synovitis is measured at three points at the proximal, middle, and distal synovium along the posterior aspect of the Hoffa's fat pad (yellow arrow); B: Sagittal slices are selected at the medial, lateral, and central patellofemoral groove. It's sometimes called Infrapatellar fat pad syndrome. Some nonsense diagnoses you may be given by doctors and physios who . -Runners knee (patellar tendinits) -Inflamed plica. Patient Data Age: 40 Gender: Male MRI Loading images. As the fat pad is one of the most sensitive structures in the knee, this condition is known to be extremely painful The resulting pain, swelling and fat hypertophy limits range of motion. Anterior knee pain with clinically visible thickened band of tissue at anterolateral aspect of patella which 'flicks' at end extension. Repetitive local microtraumas, impingement, and surgery causing local bleeding and inflammation are the most frequent . The fat pad is spongy fat tissue located just below the kneecap, which means any bad positioning of the kneecap can compress and irritate it, causing pain. Posterior Hoffa`s fat pad impingement secondary to a thickened infrapatellar plica: a case report and review of the literature Case Report Arnold Radu 1 *, Federico Discepola 1, Monika Volesky 2, Peter L Munk 3, Huy Le 1 Radiology Case. Since the fat pad is one of the most sensitive areas within the knee, it is thought to be quite painful. Objectives and Methods. patellar tendon lateral femoral condyle friction syndrome, Patellar tendon-lateral femoral condyle friction syndrome, Fat pad impingement syndromes of the knee. Hoffa's fat pad, also known as the infrapatellar fat pad (IPFP), which are terms that will be used synonymously in this review article, is an intracapsular extra-synovial structure in the anterior knee joint. ADVERTISEMENT: Radiopaedia is free thanks to our supporters and advertisers. Case study, Radiopaedia.org (Accessed on 12 Dec 2022) https://doi.org/10.53347/rID-25157. Five classic bone contusion patterns have been described 1-4:. The fat pad has been shown to be very pain sensitive. Anatomy Boundaries anterior anteroinferior: patellar tendon anterosuperior: patella posterior 54 Zheng et al 249 reported that preoperative anterior horn cysts showed worse patient-reported outcomes. Unsere Top Vergleichssieger - Finden Sie bei uns die Grey goos vodka Ihrer Trume Unsere Bestenliste Dec/2022 - Detaillierter Produkttest Ausgezeichnete Modelle Aktuelle Angebote : Smtliche Preis-Leistungs-Sieger Direkt weiterlesen! A potpourri of the intrinsic and extrinsic pathologies and the tumors and tumor-like conditions affect HFP, and MRI remains the fundamental modality to assess them and provide a specific diagnosis. It is attached to the knee cartilage ( menisci) at the front of the knee. The infrapatellar fat pad of Hoffa is commonly injured but rarely discussed in the radiological literature, and contains residual synovial tissue, meaning that primary neoplastic conditions of synovium may originate and be confined to the fat pad. Check for errors and try again. Chondromalacia patella with generally increased cartilage signal and focal fissuring centrally and trace associated subchondral oedema. . There are several issues that may result in Hoffa's fat pad impingement: Imbalance in the knee muscles Previous kneecap dislocation Previous trauma of the kneecap Hypermobility Unable to process the form. In prefemoral fat pad impingement syndrome, the cause is either secondary to a prominent suprapatellar osteophyte, with the edema usually in the superior aspect of the prefemoral fat pad close to the midline or secondary to patellar tendon-lateral femoral condyle friction syndrome, with the edema, usually in the inferolateral aspect of the fat pad. The infrapatellar fat pad - also known as Hoffa's fat pad - is a pad of fatty tissue at the front of the knee, situated behind the patellar tendon and below and behind the kneecap (patella). You can use Radiopaedia cases in a variety of ways to help you learn and teach. There are four main causes of Hoffa's fat pad impingement: biomechanics, repeated hyperextension in sport, acute hyperextension with an injury, and direct trauma. Patellar tendon-lateral femoral condyle friction syndrome. The association of patellar tendinosis with patellar maltracking and Hoffa's fat pad impingement: A case-control MRI study Proximal patellar tendinosis was associated with patellar maltracking parameters including patella alta, lateralized tibial tuberosity and superolateral Hoffa's fat pad impingement. Fat pad Impingement , is a problem which affects one of three pads of fatty soft tissue that lies under the kneecap (patella) and leads to pain at the front of the knee. Patients with Hoffa's syndrome report having difficulty sitting in tight seats for long periods of time, such as airplane seats or theatre seats. Treatment is mainly nonoperative with NSAIDs and physical therapy to focus . 65 Anterior lateral cysts extended medially either into the root or into the Hoffa fat pad, but in some cases, the type of extension did not correlate with the presence of an underlying meniscal tear. In acute impingement of fat, the overlying subcutaneous fat becomes hyperechoic . + This is a course page funded by Plus online learning 10. . European Journal of Radiology 2008; Extra 68:29-32. Hoffa's fat pad (HFP) is richly innervated and, therefore, a source of anterior knee pain. Aid healing of certain knee injuries (such as infrapatellar fat pad impingement) Correct patella alignment. Hoffa's syndrome, also known as infrapatellar fat pad syndrome, is a problem which affects one of three pads of fatty soft tissue that lies under the kneecap (patella) and leads to pain at the front of the knee. They then report having to straighten their knee every few minutes to stop the pain. However, data on the relevance of MRI findings . Plicae are normal folds of synovial tissue found in the lining of the knee joint and are (in order of decreasing frequency) the infrapatellar plica (ligamentum mucosum), the suprapatellar plica, the medial (mediopatellar) plica, and the . The normal ratio is 1.1. Increased T2 signal within Hoffa's fat pad located between the proximal patellar tendon and lateral femoral condyle consistent with patellar tendon lateral femoral condyle friction syndrome also known as Hoffa fat pad impingement syndrome. High-riding dysplastic patella (patella to patellar tendon length = 1:1.6) with obvious signs of chondromalacia. Subsequently, the IPP was shaved down completely, resulting in release of the posteriorly tethered portion of Hoffa's fat pad. It was first found by Albert Hoffa in 1904, hence its name and it doesn't need much explanation as to what it is. Impingement of the infrapatellar fat pad (Hoffa's disease) is one of the causes of anterior knee pain. A tissue biopsy helps in a definitive diagnosis of the condition, which is treated using both conservative methods and surgical procedures (if the signs and symptoms are severe) With . Hoffa Disease is also known as Fat Pad Impingement Syndrome, because of the impingement of the fat between the patella and the lower portion of the thigh bone. separates it from the prefemoral fat pad [10-13]. Infrapatellar fat pad - A large structure positioned just behind the patellar tendon and the knee cap. ADVERTISEMENT: Supporters see fewer/no ads. The abnormal IPP caused impingement of the posterior aspect of Hoffa's fat pad at the intercondylar notch and femoral trochlea, limiting full extension of the knee. Structurally it is composed of adipose tissue similar to subcutaneous fat 1. You can use Radiopaedia cases in a variety of ways to help you learn and teach. Of the 50 examinations, 25 (50%) showed superolateral Hoffa's fat pad edema, and statistically significant differences were seen between those with and without edema with respect to sex (6/22 men vs 19/28 women) and patellar tendon patellar-length ratio (1.3 0.16 and 1.1 0.12 for those with and without edema, respectively). Fat pad syndrome was firstly reported by Albert Hoffa in 1904 [1] . Increased T2 signal within Hoffa's fat pad located between the proximal patellar tendon and lateral femoral condyle consistent with patellar tendon lateral femoral condyle friction syndrome also known as Hoffa fat pad impingement syndrome. ADVERTISEMENT: Radiopaedia is free thanks to our supporters and advertisers. MRI findings of HIV-related Hoffa's fat-pad inflammation include diffuse homogeneous increased signal intensity in Hoffa's fat pad on fluid-sensitive . What causes Infrapatellar fat pad impingement? ADVERTISEMENT: Radiopaedia is free thanks to our supporters and advertisers. All discrep- . Hoffa's fat pad is a normal part of human anatomy, and acts as a shock . 24-25 Ganglion within the infrapatellar fat pad are most often located adjacent to the anterior horn of the lateral meniscus or transverse intermeniscal ligament. Trochlear dysplasia with asymmetrically small medial facet which is < 40% the width of the lateral facet. ADVERTISEMENT: Supporters see fewer/no ads. Online Course: Adolescent Patellofemoral Pain Introduction Acute or chronic inflammation of the Infrapatellar Fat Pad (IFP) is a common source of Anterior Knee Pain; also called Hoffa's disease, fat pad syndrome or hoffitis. The third type of impingement that may affect Hoffa's fat pad is related to the infrapatellar plica and is termed posterior Hoffa's fat pad impingement. ADVERTISEMENT: Supporters see fewer/no ads. {"url":"/signup-modal-props.json?lang=us\u0026email="}, Dixon A, Hoffa fat pad impingement syndrome. Abnormalities within it most commonly . This is done in a particular way to relieve the impingement on your fat pad. Hoffa's Syndrome (or Hoffa's fat pad impingement) represents hypertrophy and inflammation of the infra-patellar fat pad secondary to impingement between the femoral condyles and tibial plateau during knee extension. See Also: Homans Sign Associated findings include lateral patellar subluxation and patella alta. Patella alta with Hoffa's fat pad impingement | Radiology Case | Radiopaedia.org Patella alta with Hoffa's fat pad impingement Case contributed by Dr Roberto Schubert Diagnosis certain Share Add to Citation, DOI & case data Presentation Anterior knee pain persisting for years. It's location is as follows: deep to the patella tendon which it attaches to superior attachment is to the lower patella (knee cap) inferior attachment on the anterior tibia. Hoffa's disease (also known as a syndrome of infrapatellar fat pad impingement) is a condition described by Albert Hoffa in 1904, in which acute trauma or repetitive microtrauma to the fat pad causes haemorrhage and inflammation. Patella alta with Hoffa's fat pad impingement, GD: Paediatrics - MSK - Variants, Fractures & Periosteal reaction. It has been termed Hoffa's Syndrome as but can also be known as fat pad impingement. 2015 Mar; 9(3):20-26 :: DOI: 10.3941/jrcr.v9i3.2037 You can use Radiopaedia cases in a variety of ways to help you learn and teach. 2 the deep peripheral margins of hoffa's fat pad are attached to the anterior horns of the The tibial tuberosity to trochlear groove distance is within normal limits. The infrapatellar (Hoffa's) fat pad explained. Medicine. Clinical presentation. You can use Radiopaedia cases in a variety of ways to help you learn and teach. Case study, Radiopaedia.org (Accessed on 12 Dec 2022) https://doi.org/10.53347/rID-16715. Draghi F, Ferrozzi G, Urciuoli L, et al. Check for errors and try again. Arthroscopy identied two possible sources of bleeding in Hoffa's fat pad and these were coagulated. The location is thought to expose the fat pad, making it more suspectable to injury, especially during the end of range knee extension (straightening) (1). [1] Technique The knee is flexed and each fat pad is tested by applying pressure to the medial or lateral side of the patellar tendon. data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAAKAAAAB4CAYAAAB1ovlvAAAAAXNSR0IArs4c6QAAAnpJREFUeF7t17Fpw1AARdFv7WJN4EVcawrPJZeeR3u4kiGQkCYJaXxBHLUSPHT/AaHTvu . The tibial tuberosity to trochlear groove distance is within normal limits. Knee pain is often nestles anteriorly on either . Abstract The infrapatellar fat pad of Hoffa is an intracapsular structure that is routinely visualized on magnetic resonance images of the knee. Ice regularly - 10-15 minutes, several times per day - to reduce swelling. Check for errors and try again. The infrapatellar fat pad is an intracapsular structure and plays a role in stabilizing the patella in extremes of flexion and extension. Publisher . Hoffa's syndrome, otherwise known as infrapatellar fat pad impingement, is a problem which causes pain at the front of the knee (anterior knee pain). A false aneurysm of a branch of the inferior lateral geniculate Hoffa's (infrapatellar) fat pad (HFP) is one of the knee fat pads interposed between the joint capsule and the synovium. Insights Imaging 2016; 7(3):373-83. doi: 10.1007/s13244-016-0483-8; Hoffa fat pad impingement syndrome occurs secondary to patellar maltrackingor imbalance of the forces between medial and lateral vastus muscles causing impingement of the superolateral aspect of Hoffa fat padbetween the inferior patella and the lateral femoral condyle. Indications and Specications for Ultrasound Guided Procedures Ultrasound has become an indispensable tool for image guidance of interventional procedures within the MSK system. Independent management, especially for acute fat pad symptoms, requires rest and efforts to reduce inflammation: If overuse, stop the provoking activity. Hoffa's disease was first defined as an acute or chronic inflammation of the infrapatellar fat pad by Albert Hoffa in 1904 (1). Hoffa fat pad ganglion cysts are intra-articular ganglion cysts, are the most common mass-like lesions within Hoffa fat pad and represent one type of many cyst-like lesions around the knee. The infrapatellar fat pad, also known as Hoffa fat pad, is the largest of the anterior knee fat pads. Unable to process the form. Abstract. Unable to process the form. It is due to inflammation in the fat pad of the knee or Hoffa's fat pad. Posted on 06th Feb 2018 / Published in: Knee. The transverse ligament and ACL can also be the origins. The infrapatellar fat pad, also known as the Hoffa's fat pad, sits behind and just below the kneecap between the shin (tibia) and thigh (femur) bones. Hoffa disease is a syndrome of infrapatellar fat pad impingement, due to single or repetitive traumatic episodes, with hyperextension and rotational forces resulting in hemorrhage. {"url":"/signup-modal-props.json?lang=us\u0026email="}, Schubert R, Patella alta with Hoffa's fat pad impingement. Repeat times 10 times rest 1 minute. Infrapatellar fat pad - A large structure positioned just behind the patellar tendon and the knee cap. lateral Hoffa's fat pad edema (Student's t test, p = 0.39). Plicae. Patients with chondromalacia patellae usually present with anterior knee pain on walking up or down stairs. Epidemiology. Benefits of Fat Pad Taping. The fat below the caudal margin of the patella shows an abnormal increased signal, associated with moderate patella alta. Hoffa's test is used to clinically diagnose impingement of the infrapatellar fat pad. Case study, Radiopaedia.org (Accessed on 12 Dec 2022) https://doi.org/10.53347/rID-81354. Anterior knee pain is common in various pathologies of HFP, as it is richly innervated. {"url":"/signup-modal-props.json?lang=gb\u0026email="}, Dixon A, Hoffa fat pad impingement syndrome. Radiologists should be cautious in emphasising abnormalities of HFP. ADVERTISEMENT: Radiopaedia is free thanks to our supporters and advertisers. Hoffa's infrapatellar fat pad is one of three anterior fat pads of the knee, the other two being the anterior suprapatellar (quadriceps) and posterior suprapatellar (prefemoral) fat pads. Unable to process the form. For subtle cases of fat pad edema, a region of interest measurement of signal intensity in the superolateral portion had to be 20% higher than the surrounding normal fat pad signal to be recorded as positive. A high-riding patella, a short distance between the patellar ligament and the lateral trochlear facet, and an increased distance from the tibial tubercle to the trochlear groove are associated with superolateral Hoffa fat pad edema at MR imaging. If pain is present at the front of . It is rich with nerve endings that can fire off messages of . One week after arthroscopy, hemarthrosis reoccurred for the third time. We evaluated all three fat pads, specifically focusing on edema in the superolateral portion of Hoffa's fat pad. Read this in-depth article to find out more. Fat Chance for Hidden Lesions: Pictorial Review of Hoffa's Fat Pad Lesions. bone contusion) can give clues for the mechanism and associated injuries.. Radiographic features. The fat pad should be clearly seen as a heterogeneous hypoechoic mass bulging through the retinaculum. Clinical presentation There are various fat pads, but the one at the knee that causes a lot of problems is the infrapatellar fat pad, also known as Hoffa's fat pad after the man who first described it. Received 2012 Nov 7; Revised 2013 Feb 14; Accepted 2013 Feb 19. Fat Pad Impingement or Hoffa's Syndrome Hoffa Syndrome Arthroscopic Treatment by Dr HC Chang .wmv Watch on The pain went away immediately after the surgery. Hoffa's fat pad (HFP) is the most commonly afflicted among all the knee fat pads. Hoffa's fat pad abnormalities, knee pain and magnetic resonance imaging in daily practice. Additionally, there may be knee pain when kneeling, squatting, or after sitting for long periods of time. It is also known as the infrapatellar fat pad syndrome, liposinovitis prepatellaris, syndrome of the infrapatellar fat pad impingement, and hoffitis (2,3). Hoffa's fat pad impingement syndrome (ultrasound) Case contributed by Dr Andrew Dixon Diagnosis certain Share Add to Citation, DOI & case data Presentation Anterior knee pain with clinically visible thickened band of tissue at anterolateral aspect of patella which 'flicks' at end extension. The pattern of bone bruise in knee injuries (a.k.a. Hoffa fat pad impingement syndrome occurs secondary to patellar maltracking or imbalance of the forces between medial and lateral vastus muscles causing impingement of the superolateral aspect of Hoffa fat pad between the inferior patella and the lateral femoral condyle. Allow an earlier return to sport or activity following injury. The fat pad is intraarticular meaning it actually sits within the joint but outside the synovium (joint capsule). It is a very common cause of anterior knee pain, but one that is very often misdiagnosed, or not diagnosed at all. in 65% of knees, the deep midline margin of hoffa's fat pad gives rise to a fan-shaped infrapatellar plicae or ligamentum mucosum that narrows as it propagates into the intercondylar notch paralleling the course to the anterior cruciate ligament (acl). Epidemiology Hoffa fat pad ganglion cysts are rare and less common than cruciate ligament ganglion cysts 1,2. ADVERTISEMENT: Supporters see fewer/no ads. It is located immediately posterior to the patellar tendon and is traversed during knee arthroscopy. The trauma may take the form of repetitive hyperextension or rotational strain [ 24 ]. reviewed by one third-year radiology resident and one board-certified radiologist with 8 years of ex-perience in musculoskeletal imaging. If the repair of the retinaculum is insufficient, herniation of Hoffa's fat pad can occur and is best visualised and accentuated during flexion of the knee. You can use Radiopaedia cases in a variety of ways to help you learn and teach. Ganglion of Hoffa's Fat Pad The infrapatellar fat pad is one of the most common locations for a ganglion cyst to occur at the knee, accounting for approximately 13% of all intra-articular ganglia (Fig. It is a rare cause of anterior knee pain (4). For more information on Hoffa's syndrome, please contact us at 65-683 666 36 or email us at hcchang@ortho.com.sg You may wish to visit our website at http://www.ortho,com.sg Loading. Case study, Radiopaedia.org (Accessed on 12 Dec 2022) https://doi.org/10.53347/rID-24314. When used correctly, infrapatellar fat pad taping techniques can: Decrease pain during sport or activity. Hoffa's fat pad impingement syndrome (ultrasound), Patellar tendon-lateral femoral condyle friction syndrome, Fat pad impingement syndromes of the knee. Some of the more common things are: -Damage to the cartilage on the knee cap or the kneecap groove (we call this chondromalacia patella) -Kneecap arthritis (patellofemoral arthritis) -Hoffa's Syndrome or fatpad impingment. The Hoffa's fat pad acts as a protective cushion, which separates the kneecap from the shin and thigh bones. Use of NSAID's, if approved by your doctor, to reduce inflammation. 22). Case study, Radiopaedia.org (Accessed on 12 Dec 2022) https://doi.org/10.53347/rID-16715, patellar tendon lateral femoral condyle friction syndrome, Patellar tendon-lateral femoral condyle friction syndrome, Fat pad impingement syndromes of the knee. Dysplastic medial trochlea with mal-alignment of the patella. After a direct blow to the kneecap, the fat pad might end up becoming impinged between the kneecap and the distal thigh bone. 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