Cyclops Lesions of the Knee: A Narrative Review of the Literature. Why is my knee so tight after ACL surgery? AOSSM checks author disclosures against the Open Payments Database (OPD). Di you get the surgery done to remove cyclops? sharing sensitive information, make sure youre on a federal Cyclops lesion in the anterior knee blocking full (hyper) extension. Click to enable/disable _ga - Google Analytics Cookie. Is this normal and what usally is the recovery time. William Palmer, Laura Bancroft, Fiona Bonar, Jung-Ah Choi, Anne Cotten, James F. Griffith, Philip Robinson, Christian W.A. AOSSM has not conducted an independent investigation on the OPD and disclaims any liability or responsibility relating thereto. Bethesda, MD 20894, Web Policies The authors declare no conflict of interest. I had my MRI done last week and it didnt show any evidence of Cylops Lesion but the my doctor thinks that it is Cyclops Lesion and said that he has to go inside my knee to trim it off. The cyclops lesion, also known as localized anterior arthrofibrosis, is a painful anterior knee mass that arises as a complication of anterior cruciate ligament (ACL) reconstruction, although has rarely been reported in patients with ACL injuries that have not been reconstructed. An MRI should be ordered to confirm the diagnosis and determine if surgical excision is in order. Chris Cooper, Accountant), Finch House, 28/30 Wolverhampton Street, Dudley, West Midlands, DY1 1DB, United Kingdom. At the time the article was last revised Dai Roberts had no recorded disclosures. 2020 Aug 28;8(8 . I noticed online everyone is saying they need surgery to make this go away. Physical therapy can only be targeted towards symptomatic relief and no matter how much a physiotherapist tries, full knee extension cannot be achieved until a second arthroscopy is carried out to remove the nodule/ scar tissue. Orthop J Sports Med. ntta registration block list; what is second chance leasing. Recent MRI shows cyclops lesion that is blocking my knee. Sheldon PJ, Forrester DM, Learch TJ. You always can block or delete cookies by changing your browser settings and force blocking all cookies on this website. (2020) Skeletal Radiology. Progettato da did benjamin mee ever remarry | Sviluppato da, how to calculate calories per serving in a recipe, unique traits of plants, animals and humans, fine for parking in handicap spot in ohio, The Current Account Does Not Have Permission Alibaba, ranch style homes for sale in riverside, ca, risotto alla salamella mantovana cannavacciuolo. And if youre a PT, theres a good chance you can get CEUs as well. Ive never been able to bend it very far only a little more than 90 degrees and it hurts the inside of my knee. Good luck! tough one but keep working at it. 2014;22(5):1090-6. . Selective bundle versus complete anterior-cruciate ligament reconstruction: A systematic review and meta-analysis. Are you lacking knee extension? Radiographics. The lesion was so named because of its bulbous appearance and characteristic focal areas of reddish-blue discolouration (from venous channels) that resemble an eye at arthroscopy. Swelling of the knee after a few hours. Recent MRI shows cyclops lesion that is blocking my knee. Hi, its been 7 months since my 2nd ACL reconstruction. Having a delayed recovery can lead to tightness in the muscles around the knee along with pain inhibition of the muscles around the knee which makes it harder for the knee to . Home Uncategorized cyclops lesion knee surgery recovery time. At this point, you should have full motion and solely working on strength training. The scar tissue can be removed during a minimally-invasive knee arthroscopy. Arthroscopic debridement is an effective treatment for cyclops syndrome, whereas cyclops lesions are usually managed conservatively. Webmd.com DA: 13 PA: 50 MOZ Rank: 96. For those not familiar, a cyclops lesion is a wad of scar tissue in the anterior aspect of the knee joint. Imaging of intraarticular masses. Cyclops lesions were examined carefully and with the use of electron microscopy they were discovered to contain the following constituents: dense fibroconnective tissue rich in newly formed blood vessels, variable amounts of cartilage, bony tissue and occasionally some apparently dead bone. Required fields are marked *. Thank you very much for replying. But this will always prompt you to accept/refuse cookies when revisiting our site. A Cyclops lesion which is also known as localized anterior arthrofibrosis is defined as a painful lesion in the inner mass present at the anterior side of knee. ACL reconstruction; Cyclops lesion; Loss of extension. fine for parking in handicap spot in ohio. Use crutches as needed for the first couple of days. document.getElementById( "ak_js_1" ).setAttribute( "value", ( new Date() ).getTime() ); This site uses Akismet to reduce spam. The incidence of symptomatic cyclops lesion ranged from 1.9% to 10.9%. All rights reserved to Healthcaretip.com | Powered by Blogger. Clinically it is reported to have prevalence of 1% to 10% but magnetic resonance imaging (MRI) studies have shown the physiological changes occurring in about 25% to 47% of cyclops lesions. 8th Juni 2022 . sorry to hear and hope you can get through this. land for sale in highgate, st mary jamaica . MR imaging showed a well-defined, somewhat heterogeneous soft-tissue nodule with a signal intensity typically similar to that of skeletal muscle. Bull Hosp Jt Dis (2013). Cyclops lesions have been reported after complete and partial ACL tears[2]. Anyone experiencing pain, discomfort, abnormal sensation, or other symptoms should stop immediately from any advice offered and seek formal medical care. -03-2022, 0 Comments . J. #2. limpieza de huevo paso a paso; blockbuster store still open near haarlem; marvin integrity windows; sarah danielle goldberg cause . Cyclops lesion is commonly found to be on the anterolateral aspect of the tibial insertion site of the anterior cruciate ligament (ACL) graft and made up of fibrovascular tissue[1]. If the physiotherapist pushes the patient too hard in the presence of a cyclops, it may trigger breakdown of the articular cartilage. Cyclops lesion is a known complication of anterior cruciate ligament reconstruction (ACLR). 2015 Mar;73(1):61-4. Final postoperative range of motion was 1-129 with a 128 arc. Athletico September 26, 2019 at 9:56 am The ACL provides approximately 85% of the total restraining force of anterior translation. by in enns military base 1940 best acl surgeon uk in enns military base 1940 best acl surgeon uk A graft that is not perfectly positioned can cause repeated microtrauma, and subsequent scar tissue formation, resulting in repeated graft impingement. Would you like email updates of new search results? Arthroscopy. Clinically it is reported to have prevalence of 1% to 10 % but magnetic resonance imaging (MRI) studies have shown the physiological changes occurring in about 25% to 47% of cyclops lesions. Push your knee back against the band to straighten your leg as much as possible. What is the recovery time for an athlete following scope for a cyclops lesion? The end result, regardless of cause, is a rounded fibrous mass sitting in the anterior intercondylar notch. cyclops lesion debridement cpt Sidebar Menu. Ill let Meriem reply on their own but typically the surgery is not that painful and much quicker recovery than the ACL reconstruction. That is usually the journal article where the information was first stated. eCollection 2017 Dec. Sonnery-Cottet B, Lavoie F, Ogassawara R, Kasmaoui H, Scussiato RG, Kidder JF, Chambat P. Arthroscopy. Because these cookies are strictly necessary to deliver the website, refusing them will have impact how our site functions. Will that help? Also with the Cyclops Lesion does the knee get weaker as time passes? Tough to tell if you have a cyclops lesion or just general stiffness caused by scarring and pain. 2023. 2. Serial MRI and clinical assessment of cyclops lesions. Radiology. After surgery, the patient should be able to bear weight on the knee when standing or walking. An autograft, consisting of your own bone and cartilage, from a non-weight bearing portion of your knee, is taken through a standard incision. An official website of the United States government. Sign up to stay in touch. Copyright 2021 The Authors. Abnormal tissue growth and scar formation in the postoperative knee can create a block to terminal extension of the knee. And flex (90- 95 deg) only, with stiff and pain as well. Incidence and risk factors for cyclops syndrome after anterior cruciate ligament reconstruction: A systematic literature review. Physiopedia articles are best used to find the original sources of information (see the references list at the bottom of the article). Knee Surg Sports Traumatol Arthrosc. Increasing pain may be a sign of arthrofibrosis. From the video, you can clearly note that anterior pain, in my experiences, is most often related to a cyclops lesion. Cyclops is a fibrous nodule on the tibial side of the knee and it is one of the common complications that arises after anterior cruciate ligament (ACL) reconstruction surgery that causes loss of knee extension. The distinctive and common sign of the presence of cyclops lesion is inability to extend the knee fully and unresolving swelling following an ACL reconstruction surgery. Published: June 7, 2022 Categorized as: diego lainez hairstyle . Cyclops lesions have been reported to occur in about 4% of ACL reconstruction patients. Hes a senior in high school and feels he lost his chance on getting scouted by Colleges. It forms in relation to damage to the anterior cruciate ligament itself, and acts to hinder extension as an actual mechanical obstruction. Identified risk factors were as follows: pre-operatively, knee inflammation and/or motion restriction at the time of ACL reconstruction; intra-operatively, narrow intercondylar notch and excessively anterior position of the tibial tunnel; and post-operatively, persistent . that surgery was so, so much easier than the first and eliminated a ton of my pain related to the scar tissue and limited mobility. There are many things that could affect a patients outcome. The diagnosis of cyclops lesion is made in about 93% of cases within 6 months of surgery, 34 and 78% of them have extension loss within 6 weeks 43 after surgery. found cyclops lesions to be more common in double-bundle and quadriceps grafts compared to single-bundle and hamstring grafts[4]. Cyclops lesion is a known complication of anterior cruciate ligament reconstruction (ACLR). . previous post here..check it out and let me know what you think. 2; Non class; cyclops lesion debridement cpt Portfolio . We fully respect if you want to refuse cookies but to avoid asking you again and again kindly allow us to store a cookie for that. PT can also be used to help regain the lost extension and restore the remaining strength. I had a cyclops lesion removed almost one year to the day of my initial surgery. It's so much easier compared to ACL recon, especially if you've already done a lot of rehab. See this image and copyright information in PMC. I start to limp due to I further loss of extension after playing or running. It is considered a main complication of anterior cruciate ligament ACL reconstruction. -, Jackson D.W., Schaefer R.K. Cyclops syndrome: loss of extension following intra-articular anterior cruciate ligament reconstruction. A, MRI coronal T2 weighted image showing, A, Arthroscopic image showing synovitis of the knee; B, cyclops lesion at the, MeSH I start to limp due to I further loss of extension after playing or running. Knee Surg Sports Traumatol Arthrosc. Rehab after an ACL is never easy. 2010 Nov;26(11):1483-8. The deeper layers of flesh scar tissue can prevent your knee from reaching full mobility, so it's important to massage the wound! Regain strength in the knee as well as the thigh and shin muscles. Clipboard, Search History, and several other advanced features are temporarily unavailable. She continued her strength and conditioning and played her first game last night - today there is swelling and pain.is this normal? jumping back into PT immediately after the surgery was key (had surgery monday . Though the mainstay of the literature presumptively attributes arthrofibrosis to be the source of the cyclops lesion, upon further review of the literature as well as histopathologic (microscopic) review of such lesions it becomes readily apparent that there may be more to the cause. In this post, I discussed how I like to work on knee extension immediately after an ACL surgery. maximum load to failure is 2600 Newtons (intact ACL is 1725 Newtons) complications. 2010 Nov;26(11):1483-8. doi: 10.1016/j.arthro.2010.02.034. The term cyclops syndrome is used in patients with a post ACL reconstruction decrease in knee extension 4. Citation, DOI & article data. Don't let scams get away with fraud. 2017;35(10):22752281. I went back to work (finally) on December 1st, 2008, about 6 weeks after surgery. It will take a lot of work but itis possible. -. Read more, Physiopedia 2023 | Physiopedia is a registered charity in the UK, no. Among all theses patients only 10% are known to be symptomatic. Between 2001 and 2007, we identified 10 patients with cyclops lesions without ACL reconstruction. Trends in anterior cruciate ligament reconstruction in the United States. Incidence and risk factors for cyclops syndrome after anterior cruciate ligament reconstruction: A systematic literature review. This is an awesome course if youre interested in learning more about rehabilitating the knee joint. If truly a cyclops lesion, then could affect her ability to get her knee straight and limit quadriceps strength long term. -, Balcarek P, Sawallich T, Losch A, Strmer KM, Frosch K-HH. I have tried a lot of physio but nothing seemed to work. A cyclops lesion with loss of knee extension with or without an audible or palpable cluck at terminal knee extension constitutes the cyclops syndrome. Due to security reasons we are not able to show or modify cookies from other domains. May 22, 2021 . 2022 Mar 16;11(4):e563-e568. Good luck. Registered Address: The KNEEguru, c/o Price Pearson Limited (att. Post by; on australian soldiers reputation in vietnam; mayra's hair salon narragansett, ri . Hope this helps and good luck. Report at a scam and speak to a recovery consultant for free. Arthroscopy. July 3, 2022 July 3, 2022. Cyclops syndrome: loss of extension following intra-articular anterior cruciate ligament reconstruction. 2017 Jan 27;5(1):2325967116684121. doi: 10.1177/2325967116684121. Yes, I can get the knee straight as the other leg. The timing of recovery from knee surgery depends on the type of procedure and factors such as the person's age, overall health, and circumstances such as occupation. Radiopaedia.org; 2021. My goal is to summarize the literature and give my experiences to help you become a better clinician. The most common types of knee arthroscopic surgery include repair of a torn meniscus, ligament reconstruction, removal of loose debris and trimming damaged cartilage. Epub 2019 Aug 9. The https:// ensures that you are connecting to the I have full mobility but my knee is very crunchy (usually in the mornings) and cracks sometimes, most the time it isnt followed by pain, but sometimes there is a sharp pain. Knee postoperative stiffness manifests as an insufficient range of motion, which can be caused by poor graft position, cyclops lesions, and arthrofibrosis [5,6,7]. Published: June 7, 2022 Categorized as: diego lainez hairstyle . This can be avoided intraoperatively by taking the time to enlarge the notch roof to eliminate any contact with the graft when the knee is fully extended., Some literature reviews cites rates of cyclops lesions from 1-9%, others up to 24%; neither of these is acceptable, as it seems that they are preventable, barring a small reasonable fraction of human error. My 1st surgery was not the nicest thing to live so I wonder if i have to go back to surgery again. The exact etiology is uncertain and may be related to gradual fraying and bunching up of remnant ACL or graft fibers, excessive fibrosis, or alternatively due to the uplifting of fibrocartilaginous tissue during drilling of the tibia for anterior cruciate ligament reconstruction, which serves as a nidus for fibrous tissue deposition. and transmitted securely. eCollection 2022 Apr. The 'cyclops' lesion that we refer to in the knee is a fibrous nodule, resembling an eyeball, localised to the middle of the rounded part of the femur, and obscuring the notch area and cruciate ligaments. Active rehabilitation via physical therapy is required to help the knee to heal and to: Reduce pain and swelling. Check to enable permanent hiding of message bar and refuse all cookies if you do not opt in. Epub 2019 Aug 9. Giu 11, 2022 | how to calculate calories per serving in a recipe. Buller L.T., Best M.J., Baraga M.G., Kaplan L.D. This site needs JavaScript to work properly. We present 2 cases (3 knees) in which cyclops lesions appeared atypically following bicruciate-retaining total . 2017 May;75(3):213-216. Cyclops lesion knee surgery recovery time. It is clear that the drilling debris from an ACL reconstruction plays a major role in the formation of these lesions. 1. Hold for a few seconds and slowly release. The MRI and physical exam by the doc should clarify a bunch soon. The cyclops lesion is a nodule of fibrovascular tissue with the arthroscopic appearance of a cyclops with peripheral fibrous tissue. 2022 Nov 9. doi: 10.1007/s00167-022-07219-5. This site needs JavaScript to work properly. The meniscus cartilage in the knee includes a medial (inside part of the knee) meniscus and a lateral (outside part of the knee) meniscus (Figures 1 and 2). Pinto FG, Thaunat M, Daggett M, Kajetanek C, Marques T, Guimares T, Quelard B, Sonnery-Cottet B. Orthop J Sports Med. It occurs as a result of anterior cruciate ligament ACL reconstruction. These factors are various surgical factors such as inadequate removal of tissue especially bone fragment as well as of the ACL stump remnant, and malposition of the new graft. Delince P, Krallis P, Descamps PY, Different aspects of the cyclops lesion following anterior cruciate reconstruction: a multifactorial etiopathogenesis. Loss of mobility and range of motion. No Cyclopes lesion. The cyclops lesion after bicruciate-retaining total knee replacement. Other studies have suggested that having a delayed period of time between surgery and achieving full extension of the knee can lead to the develop of a cyclops lesion. Also may put more stress on the front of the knee and cause anterior knee pain. Nintendo Wii Balance Boards. Assuming you get the patient within a week or 2 post op, how long do you usually work on extension for before considering contacting the surgeon with your concern? .This is protected and monitored under Digital Millennium Copyright Act. Hi! sharing sensitive information, make sure youre on a federal As a PT or athletic trainer, dont blame yourself if the patient needs another surgery to remove the scarring. Disclaimer. He has been on crutches . Ask what the rates of revisiting the operating room for lysis of adhesions, excision of cyclops lesions, Behave in a way that is not rude but unapologetic for taking an active role in our medical care. The mechanism is not . Good luck! A, MRI coronal T2 weighted image showing cyclops lesion size of 18.47mm; B, medial extension of cyclops lesion; C, MRI showed intact ACL with MCL repair seen; D, axial view showing position of cyclops lesion at the intercondylar notch. 47, 50], and time from surgery to the first rehabilitation session . Posted on June 7, 2022 by cyclops lesion rehab protocol . The site is secure. Runyan BR, Bancroft LW, Peterson JJ et-al. unique traits of plants, animals and humans. Please enable it to take advantage of the complete set of features! Thanks! Arthroscopic debridement is an effective treatment for cyclops syndrome, whereas cyclops lesions are usually managed conservatively. I think the lesson here is: Hope this post helps you get better outcomes for your ACL patients! ACL reconstruction complication; anterior arthrofibrosis of knee; complications; cyclops lesion; cyclops review; cyclops syndrome. a cyclops lesion, or an interiorly placed ACL graft [1]. [Meisel] Sources: Mike Clevinger is scheduled to undergo surgery today after he sustained partial [tear] of the medial meniscus in his left knee while training this week. J. 2nd, why does the Cyclops lesion form knowing that everything was cleaned in my knee during the 1st surgery. Changes will take effect once you reload the page. There are a few ways that I think are most effective and with minimal patient efforts. Patients are encouraged to contact Dr. Getelman if they experience loss of motion that does not recover with PT determine if cyclops lesions are present. Kambhampati S.B.S., Gollamudi S., Shanmugasundaram S., Josyula V.V.S. Trending posts and videos related to Medial Meniscus Tear Surgery! Ive had an incredibly fast recovery and have had full extension and have been able to touch my heel to my butt a month after surgery. Average range of motion improvement was 11. cyclops lesion debridement cpt. For symptomatic cyclops lesions, arthroscopic surgical debridement of the lesion can restore normal biomechanics of the knee[2]. As for why Cyclops lesions occur we do not 100% know but it may be a remnant if your old ACL stump that develops scarring. Unable to load your collection due to an error, Unable to load your delegates due to an error, Sites of occurrence of cyclops lesion and its variants: classic cyclops 27 (6): e26. What turn the recovery time onto an athlete following scope were a cyclops lesion? Your email address will not be published. 2014;3(1) 2325967114563664. If surgery is necessary, the physical therapy helps ensure a better result and a faster recovery. An often overlooked code is 29884 Arthroscopy, knee, surgical; with lysis of adhesions, with or without manipulation (separate procedure), which may be assigned for excision of fibrosis/adhesions/scar due to previous procedures or injuries. Hi Gina, seems like most take at least a month to recover but often longer to really feel normal and get their motion back and full strength. Anyway, I had my surgery done about two weeks later in the Jan of 2009. the foundation underlying feminist therapy asserts that: can a cyclops lesion grow back. Good luck! Khambhampati et al report 8 risk factors for cyclops lesions:[2]. The moniker of "cyclops lesion" was given based on the arthroscopic appearance of the fibrous nodule and vessels that resemble an eye. Discussion. Surgery for Arthrofibrosis of The Knee. Restore range of motion. I havent built up any quad muscle since my surgery either. Report at a scam and speak to a recovery consultant for free. If so, how was the pain or recovery compared to the original ACL surgery? Methods: From 1999 to 2005, we observed 48 cases of cyclops lesions in 311 cases arthroscopically while removing the internal fixation devices after ACL reconstruction. Keywords: It is believed to be a remnant of the previous ACL stump that had remained during the reconstruction surgery. Often times, this occurs as a result of the body's natural defenses put in place as we described in the published research article on AMI. The scar tissue needs to be removed by surgical excision. ago. Lenny, 2008;74(2):261265. An official website of the United States government. 1 Bolverkk 4 yr. ago Thank you for the response! In the knee, arthrofibrosis most often occurs following anterior cruciate ligament reconstruction and total . Knee Surg Sports Traumatol Arthrosc. Inverted Cyclops Lesion without Extension Block: A Case Report and Literature Review. jordan devlin finisher; memphis colby instagram; fr mike schmitz bible in a year reading plan; mcg general admission seating map; homes for sale by owner in cocke county, tn; tara lipinski sister; cyclops lesion debridement cpt Blog Filters. Khambhampati et al report clinical symptoms include[2]: MRI diagnostics of cyclops lesions has 85.0% sensitivity, 84.6% specificity, and 84.8% accuracy[5]. I have arthritis in one side of my knee and have a meniscus tear. Occurrence Rate of Cyclops Lesion After Anatomic Double-Bundle ACL Reconstruction: Comparison Between Remnant Tissue Preservation and Resection Methods. Cyclops lesion (knee). Seen as an ovoid-shaped mass with venous vessels in the center (1), these lesions are usually found in the femur's intercondylar notch (4,5). Ask what the rates of revisiting the operating room are. I also have hyper extension in my other knee. Careers. -, Delcogliano A, Franzese S, Branca A, Magi M, Fabbriciani C. Light and scan electron microscopic analysis of cyclops syndrome: etiopathogenic hypothesis and technical solutions. Another theory states that it may be fibrocartilage as a result of drilling the tibial tunnels. cyclops lesion knee surgery recovery time. Accessibility xander bold and beautiful dies. Therefore, we expect most patients to require the use of pain medicines for a minimum of 2 to 7 days after surgery to address this. I had a cyclops lesion removed a year after my ACL surgery, and while it improved my ROM immensely, the recovery and subsequent PT was comparable to my initial surgery. It is believed to be a remnant of the previous ACL stump that had remained during the reconstruction surgery. bellerive country club / append array pseudocode / cyclops lesion rehab protocol. I was on crutches and unable to bend my knee longer than I expected but in the end, it was worth it. when up and down stairs. I am just scared since it didnt show up in the MRI, how can the Dr be so sure about it? highland cow sanctuary scotland; willie revillame height; does peppa pig have a older sister; optometrist salary in florida; mountain manor apartments east stroudsburg [ 2] Other less-frequent causes of loss of extension include . Cyclops lesions that occur in the absence of prior anterior ligament reconstruction. Fearisfuel.com DA: 14 PA: 48 MOZ Rank: 94. cyclops lesion knee surgery recovery time; May 22, 2021 By No comments yet ; Ganglion Cyst Removal: Methods, Risks, and Recovery Time. Home richfield school district cyclops lesion knee surgery recovery time. Cyclops Lesion Surgery, Recovery, Recurrence, ACL, This website is an online medical resource dedicated to offering detailed and current literature on diseases, remedies, health care, drugs and medical conditions. Jackson and Schaefer describe the lesion as having peripheral fibrous tissue around centrally located granulation tissue. Reference article, Radiopaedia.org (Accessed on 04 Mar 2023) https://doi.org/10.53347/rID-1187, View Frank Gaillard's current disclosures, see full revision history and disclosures, anterior cruciate ligament (ACL) reconstruction, bucket handle appearance (disambiguation), bucket handle fracture - non-accidental injury, cockade sign (aorto-left ventricular tunnel), cockade sign (hypertrophic pyloric stenosis), corkscrew sign (diffuse esophageal spasm), hockey stick sign (Creutzfeldt-Jakob disease), light bulb sign (posterior shoulder dislocation), stepladder sign (intracapsular breast implant rupture), stepladder sign (small bowel obstruction), eccentric target sign (cerebral toxoplasmosis), trident sign (persistent primitive trigeminal artery), ginkgo leaf sign (subcutaneous emphysema), chronic inflammatory demyelinating polyneuropathies, salt and pepper sign (vertebral hemangioma), teardrop sign (inferior orbital wall fracture), teardrop sign (intracapsular breast implant rupture), snake-eye appearance (cervical spinal cord), butterfly shape of the grey matter of the spinal cord, caput medusae sign (developmental venous anomaly), doughnut sign (missed testicular torsion), ice cream cone sign (middle ear ossicles), ice cream cone sign (vestibular schwannoma), in total anomalous pulmonary venous return, anterior cruciate ligament avulsion fracture, posterior cruciate ligament avulsion fracture, Ahlback classification system in assessing osteoarthritis of the knee joint, Kellgren and Lawrence system for classification of osteoarthritis, anterior cruciate ligament mucoid degeneration, MRI grading system for meniscal signal intensity.