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Discoid meniscus

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https://www.readbyqxmd.com/read/28197693/predictive-factors-for-osteochondritis-dissecans-of-the-lateral-femoral-condyle-concurrent-with-a-discoid-lateral-meniscus
#1
Junsei Takigami, Yusuke Hashimoto, Tomohiro Tomihara, Shinya Yamasaki, Koji Tamai, Kyoko Kondo, Hiroaki Nakamura
PURPOSE: Osteochondritis dissecans (OCD) of the lateral femoral condyle is relatively rare, and it is often reported in combination with discoid lateral meniscus. However, little is known about the mechanism underlying this connection. Predictive factors for OCD coinciding with discoid lateral meniscus in Japanese children and adolescents were assessed. METHODS: During 2000-2015, 152 knees in 133 patients aged 5-15 years were diagnosed with symptomatic complete discoid lateral meniscus...
February 14, 2017: Knee Surgery, Sports Traumatology, Arthroscopy: Official Journal of the ESSKA
https://www.readbyqxmd.com/read/28164061/arthroscopic-meniscectomy-and-meniscoplasty-for-a-torn-discoid-medial-meniscus-case-report-surgical-technique-and-literature-review
#2
Gokhale Nikhil Abhay, Samant Ashwin, Shahane Sunil, Kapopara Hardik
INTRODUCTION: Normal menisci of the knee are semilunar structures. Sometimes, a meniscus may be found to be thickened and disc like and is called a discoid meniscus. Such a discoid variant is usually found in the lateral meniscus. Its occurrence in the medial meniscus is extremely rare. CASE REPORT: We report a case of an 18-year-old female, who presented to us with knee pain and was found to have a discoid medial meniscus with a tear. We operated on her arthroscopically and performed meniscectomy and meniscoplasty...
September 2016: Journal of Orthopaedic Case Reports
https://www.readbyqxmd.com/read/28164045/ipsilateral-medial-and-lateral-discoid-meniscus-with-medial-meniscus-tear
#3
Kengo Shimozaki, Junsuke Nakase, Yoshinori Ohashi, Hitoaki Numata, Takeshi Oshima, Yasushi Takata, Hiroyuki Tsuchiya
INTRODUCTION: Discoid meniscus is a well-documented knee pathology, and there are many cases of medial or lateral discoid meniscus reported in the literature. However, ipsilateral concurrent medial and lateral discoid meniscus is very rare, and only a few cases have been reported. Herein, we report a case of concurrent medial and lateral discoid meniscus. CASE REPORT: A 27-year-old Japanese man complained of pain on medial joint space in his right knee that was diagnosed as a complete medial and lateral discoid meniscus...
September 2016: Journal of Orthopaedic Case Reports
https://www.readbyqxmd.com/read/28160013/high-tibial-osteotomy-accelerates-lateral-compartment-osteoarthritis-in-discoid-meniscus-patients
#4
Jatin Prakash, Eun-Kyoo Song, Hong An Lim, Young Joo Shin, Cheng Jin, Jong-Keun Seon
PURPOSE: The valgus high tibial osteotomy (HTO) in patients with medial osteoarthritis and discoid lateral meniscus can result in increased load on the lateral compartment and hence a higher chances of tear. This may accelerate the progression of osteoarthritis on lateral compartment. We, therefore, carried out the case control study with a hypothesis that an HTO would accelerate the progression of osteoarthritis (OA) on lateral compartment in patients with complete discoid meniscus. METHODS: The records of all patients with open wedge HTO from 2008 to 2012 were evaluated for complete lateral discoid meniscus...
February 3, 2017: Knee Surgery, Sports Traumatology, Arthroscopy: Official Journal of the ESSKA
https://www.readbyqxmd.com/read/28114702/discoid-lateral-meniscus
#5
Wen-Li Dai, Hua Zhang, Ai-Guo Zhou, Gang Zhang, Jian Zhang
Partial and total meniscectomies are the most common treatments for patients with discoid lateral meniscus (DLM). We conducted this study to quantitatively assess and compare the outcomes of partial and total meniscectomies for DLM. We also assessed whether the outcomes differed by the type of DLM, duration of follow-up, and age of patients. We searched PubMed, Embase, and the Cochrane database to identify relevant studies that reported outcomes, including Ikeuchi grade, the International Knee Documentation Committee (IKDC) Subjective Knee score, Lysholm score, or failure rate, in patients who underwent partial and total meniscectomies...
January 23, 2017: Journal of Knee Surgery
https://www.readbyqxmd.com/read/28012004/post-operative-deformation-and-extrusion-of-the-discoid-lateral-meniscus-following-a-partial-meniscectomy-with-repair
#6
Tomohiko Matsuo, Kazutaka Kinugasa, Kousuke Sakata, Tomoki Ohori, Tatsuo Mae, Masayuki Hamada
PURPOSE: The purpose of this study was to investigate the morphology of the discoid lateral meniscus sequentially following a partial meniscectomy with repair using magnetic resonance imaging (MRI). METHODS: Nine patients with a symptomatic discoid lateral meniscus with a peripheral tear were enrolled in this study, and a partial meniscectomy with repair was performed arthroscopically. An MRI examination was performed 2 weeks after surgery (before weight bearing was permitted) and again 6 months after surgery (when sporting activities could resume)...
December 23, 2016: Knee Surgery, Sports Traumatology, Arthroscopy: Official Journal of the ESSKA
https://www.readbyqxmd.com/read/27899354/collagenous-ultrastructure-of-the-discoid-meniscus-a-transmission-electron-microscopy-study
#7
Young-Hee Choi, Young-Jin Seo, Jong Mun Ha, Koo Hyun Jung, Jeehyoung Kim, Si Young Song
BACKGROUND: The collagen ultrastructure of the discoid lateral meniscus (DLM) has not been precisely defined. PURPOSE: To investigate the ultrastructure of the DLM, focusing on its collagen fibers, and to compare the collagen net architecture between intact and torn DLMs using the Collagen Meniscal Architecture (CMA) scoring system. STUDY DESIGN: Descriptive laboratory study. METHODS: Thirty specimens were taken from 30 patients with a diagnosis of a complete DLM using a 1-piece technique...
November 29, 2016: American Journal of Sports Medicine
https://www.readbyqxmd.com/read/27894171/diagnosis-and-treatment-of-discoid-meniscus
#8
REVIEW
Jae-Gyoon Kim, Seung-Woo Han, Dae-Hee Lee
There is a greater incidence of discoid meniscus in Asian countries than in Western countries, and bilateral discoid menisci are also common. The discoid meniscus may be a congenital anomaly, and genetics or family history may play a role in the development of discoid menisci. Because the histology of discoid meniscus is different from that of normal meniscus, it is prone to tearing. Individuals with a discoid meniscus can be asymptomatic or symptomatic. Asymptomatic discoid menisci do not require treatment...
December 1, 2016: Knee Surgery & related Research
https://www.readbyqxmd.com/read/27833770/double-layered-lateral-meniscus-in-an-8-year-old-child-report-of-a-rare-case
#9
Susumu Araki, Mitsuhiko Kubo, Kosuke Kumagai, Shinji Imai
Reports of congenital abnormalities of the lateral meniscus include discoid meniscus, accessory meniscus, double-layered meniscus, and ring-shaped meniscus. Particularly, only a few cases of double-layered meniscus have been reported. We report a case of double-layered lateral meniscus, in which an additional semicircular meniscus was observed under the normal lateral meniscus. The accessory hemimeniscus was resected by means of arthroscopic surgery. This case demonstrates an interesting and extremely rare anatomical abnormality of the lateral meniscus...
2016: Case Reports in Orthopedics
https://www.readbyqxmd.com/read/27752751/the-utility-of-the-radiographic-condylar-cut-off-sign-in-children-and-adolescents-with-complete-discoid-lateral-meniscus
#10
Chul-Won Ha, Jae Won Jang, Manyoung Kim, Sang-Eun Na, Han-Jun Lee, Yong-Beom Park
PURPOSE: The purpose of this study was to determine the utility of the radiographic 'condylar cut-off sign' to detect the presence of a complete discoid lateral meniscus in children and adolescents. METHODS: The radiographs of 166 subjects younger than 17 with complete discoid lateral meniscus as well as 153 age- and sex-matched subjects with normal meniscus were reviewed. The condylar cut-off sign, judged by the prominence ratio of the medial and lateral femoral condyles in tunnel view radiographs, was assessed...
October 17, 2016: Knee Surgery, Sports Traumatology, Arthroscopy: Official Journal of the ESSKA
https://www.readbyqxmd.com/read/27751607/meniscal-allograft-transplantation-for-symptomatic-knee-after-meniscectomy-of-torn-discoid-medial-meniscus-report-of-three-cases
#11
Sung Il Wang
In symptomatic discoid medial meniscus, partial meniscectomy is the principal treatment method and can yield promising short-term results. However, unlike the nondiscoid meniscus, discoid medial meniscus is frequently associated with horizontal cleavage tears, attributable to the presence of myxoid degeneration in the intrameniscal substance, in that it may potentially occur deteriorating long-term results because of re-tearing of remaining meniscus or secondary degeneration of cartilage of the medial compartment after meniscectomy...
October 14, 2016: Acta Orthopaedica et Traumatologica Turcica
https://www.readbyqxmd.com/read/27695981/arthroscopic-treatment-of-symptomatic-discoid-meniscus-in-children
#12
Tetsuo Hagino, Satoshi Ochiai, Shinya Senga, Takashi Yamashita, Masanori Wako, Takashi Ando, Hirotaka Haro
PURPOSE: To study discoid meniscus in children who underwent arthroscopic surgery at our center. SUBJECTS AND METHODS: Thirty-four patients (39 knees) younger than 15 years with discoid lateral meniscus (mean age, 12.9 years; 13 males, 21 females) who underwent arthroscopic surgeries since 2007 were studied. The surgical procedure consisted of, in principle, saucerization with additional suture repair in the case of meniscal instability at the peripheral rim of the residual meniscus...
January 2017: Archives of Orthopaedic and Trauma Surgery
https://www.readbyqxmd.com/read/27651201/combined-outside-in-and-fast-fix-sutures-for-the-treatment-of-serious-discoid-meniscal-tears-a-midterm-follow-up-study
#13
Yuezheng Hu, Xinxian Xu, Xiaoyun Pan, Huachen Yu, Yu Zhang, Hong Wen
BACKGROUND: The treatment of discoid meniscus is debatable. This study aimed to assess the clinical efficacy of combined outside-in and FasT-Fix sutures for the treatment of serious discoid meniscal tears. METHODS: This study included 32 consecutive patients who underwent arthroscopic meniscal plasty for serious discoid meniscal tears (full-thickness vertical, longitudinal tears >10mm) between October 2006 and June 2012. A combination of outside-in and FasT-Fix sutures was used to treat serious discoid meniscal tears...
December 2016: Knee
https://www.readbyqxmd.com/read/27494952/symptomatic-discoid-lateral-meniscus-a-clinical-and-arthroscopic-study-in-a-chinese-population
#14
Gang Chen, Zhong Zhang, Jian Li
BACKGROUND: Discoid lateral meniscus (DLM) is relatively common in East Asia..Symptomatic discoid lateral meniscus (SDLM) is an important indication for knee arthroscopic surgery. However, studies investigating SDLM are rare. The purpose of this study was to evaluate the clinical characteristics and intra-articular variants of SDLM in a Chinese population. METHODS: We retrospectively reviewed all patients with SDLM from January 2005 to December 2014 in our hospital...
2016: BMC Musculoskeletal Disorders
https://www.readbyqxmd.com/read/27385203/-ligamentous-knee-injuries-in-children-and-adolescents
#15
T C Drenck, R Akoto, N M Meenen, M Heitmann, A Preiss, K- H Frosch
Due to an increase in sporting activities, the number of injuries of the immature knee is continuously increasing. These injuries necessitate a special approach regarding the particular anatomical situation with open growth plates. Three of the most commonly occurring injuries are rupture of the anterior cruciate ligament, patella dislocation and meniscus injuries. The clinical results for conservative treatment of ruptures of the anterior cruciate ligament in the growth phase are inferior to operative treatment...
July 2016: Der Unfallchirurg
https://www.readbyqxmd.com/read/27276636/arthroscopic-treatment-of-discoid-lateral-meniscus-tears-in-children-with-achondroplasia
#16
Alfred Atanda, Maegen Wallace, Michael B Bober, William Mackenzie
BACKGROUND: Achondroplasia is the most common form of skeletal dysplasia that presents to the pediatric orthopaedist. More than half of achondroplasia patients are affected with knee pain. It is thought that the majority of this pain may be due to spinal stenosis, hip pathology, or knee malalignment. Discoid menisci can be a source of lateral knee joint pain in skeletally immature patients in general. We present the first case series of patients with achondroplasia who had symptomatic discoid lateral menisci treated with arthroscopic knee surgery...
July 2016: Journal of Pediatric Orthopedics
https://www.readbyqxmd.com/read/27274475/simultaneous-osteoperiosteal-autologous-iliac-crest-graft-and-lateral-meniscus-allograft-transplantation-for-osteochondral-lesion-with-bony-defect-and-lateral-discoid-meniscus-tear
#17
Dhong Won Lee, Jin Goo Kim, Jeong Ku Ha, Woo Jong Kim
The optimal treatment for combined osteochondritis dissecans (OCD) with considerable bony defect of the lateral femoral condyle (LFC) and torn discoid lateral meniscus is unclear. We present a case of a 15-year-old female who was a gymnast and had a large OCD lesion in the LFC combined with deficiency of the lateral meniscus. The patient underwent the "one-step" technique of osteoperiosteal autologous iliac crest graft and lateral meniscus allograft transplantation after a failure of meniscectomy with repair at another hospital...
June 2016: Knee Surgery & related Research
https://www.readbyqxmd.com/read/27270137/cost-effectiveness-of-meniscal-allograft-for-torn-discoid-lateral-meniscus-in-young-women
#18
Austin J Ramme, Eric J Strauss, Laith Jazrawi, Heather T Gold
OBJECTIVE: A discoid meniscus is more prone to tears than a normal meniscus. Patients with a torn discoid lateral meniscus are at increased risk for early onset osteoarthritis requiring total knee arthroplasty (TKA). Optimal management for this condition is controversial given the up-front cost difference between the two treatment options: the more expensive meniscal allograft transplantation compared with standard partial meniscectomy. We hypothesize that meniscal allograft transplantation following excision of a torn discoid lateral meniscus is more cost-effective compared with partial meniscectomy alone because allografts will extend the time to TKA...
September 2016: Physician and Sportsmedicine
https://www.readbyqxmd.com/read/27267748/histological-and-biological-comparisons-between-complete-and-incomplete-discoid-lateral-meniscus
#19
Hiroto Inoue, Takayuki Furumatsu, Ami Maehara, Takaaki Tanaka, Toshifumi Ozaki
The discoid lateral meniscus (DLM) is an anatomically abnormal meniscus that covers a greater area of the tibial plateau than the normal meniscus. The DLM is classified into two types: complete (CDLM) and incomplete (ICDLM) types. In this study, we investigated the histological and cell biological characteristics of CDLM and ICDLM. The number of blood vessels, proteoglycan deposition, and collagen distribution were assessed using meniscal tissues. Collagen production was also investigated in CDLM and ICDLM cells...
September 2016: Connective Tissue Research
https://www.readbyqxmd.com/read/27265251/magnetic-resonance-imaging-findings-in-symptomatic-patients-after-arthroscopic-partial-meniscectomy-for-torn-discoid-lateral-meniscus
#20
Chang-Rack Lee, Seong-Il Bin, Jong-Min Kim, Nam-Ki Kim
PURPOSE: To evaluate the change in the thickness and width of the residual meniscus using magnetic resonance imaging (MRI) in patients who underwent arthroscopic partial meniscectomy for discoid lateral meniscus (DLM), to assess whether the degeneration of the articular cartilage in the lateral compartment of the knee progressed, and to evaluate clinical results. METHODS: Among the patients who underwent arthroscopic partial meniscectomy for DLM between January 1997 and December 2011, those who were aged 40 or below at surgery were followed up for at least 3 years, and received at least 2 follow-up MRIs that were retrospectively reviewed...
June 3, 2016: Arthroscopy: the Journal of Arthroscopic & related Surgery
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