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Albishi W, Albaroudi A, Alaseem AM, Aljasser S, Alshaygy I, Addar A. Discoid meniscus: Treatment considerations and updates. World J Orthop 2024; 15:520-528. [PMID: 38947261 PMCID: PMC11212537 DOI: 10.5312/wjo.v15.i6.520] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 02/12/2024] [Revised: 04/07/2024] [Accepted: 04/23/2024] [Indexed: 06/12/2024] Open
Abstract
A discoid meniscus is a morphological abnormality wherein the meniscus loses its normal 'C' shape. Although most patients are asymptomatic, patients might still present with symptoms such as locking, pain, swelling, or giving way. Magnetic resonance imaging is usually needed for confirmation of diagnosis. Based on a constellation of factors, including clinical and radiological, different approaches are chosen for the management of discoid meniscus. The purpose of this review is to outline the treatment of discoid meniscus, starting from conservative approach, to the different surgical options for this condition. The PubMed and Google Scholar databases were used for this review. Studies discussing the treatment of discoid meniscus from 2018 to 2023 were searched. Initially there were 369 studies retrieved, and after removal of studies using the exclusion criteria, 26 studies were included in this review. Factors such as stability, presence of tear, and morphology can help with surgical planning. Many approaches have been used to treat discoid meniscus, where the choice is tailored for each patient individually. Postoperatively, factors that may positively impact patient outcomes include male sex, body mass index < 18.5, age at symptom onset < 25 years, and duration of symptoms < 24 months. The conventional approach is partial meniscectomy with or without repair; however, recently, there has been an increased emphasis on discoid-preserving techniques such as meniscoplasty, meniscopexy, and meniscal allograft transplantation.
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Affiliation(s)
- Waleed Albishi
- Department of Orthopedic Surgery, College of Medicine, King Saud University, Riyadh 11362, Saudi Arabia
| | - Amjad Albaroudi
- Department of Orthopedic Surgery, College of Medicine, King Saud University, Riyadh 11362, Saudi Arabia
| | - Abdulrahman M Alaseem
- Department of Orthopedic Surgery, College of Medicine, King Saud University, Riyadh 11362, Saudi Arabia
| | - Sarah Aljasser
- Department of Orthopedic Surgery, College of Medicine, King Saud University, Riyadh 11362, Saudi Arabia
| | - Ibrahim Alshaygy
- Department of Orthopedic Surgery, College of Medicine, King Saud University, Riyadh 11362, Saudi Arabia
| | - Abdullah Addar
- Department of Orthopedic Surgery, College of Medicine, King Saud University, Riyadh 11362, Saudi Arabia
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Adsit E, Albright J, Algan S, Beck J, Bowen RE, Brey J, Marc Cardelia J, Clark C, Coello P, Crepeau A, Edmonds E, Ellington M, Ellis HB, Fabricant PD, Frank JS, Ganley TJ, Green DW, Gupta A, Heyworth B, Kemper WC, Latz K, Mansour A, Mayer S, McKay SD, Milewski MD, Niu E, Pacicca DM, Parikh SN, Pupa L, Rhodes J, Saper M, Schmale GA, Schmitz M, Shea K, Silverstein RS, Storer S, Wilson PL. Relationship Between Age and Pathology With Treatment of Pediatric and Adolescent Discoid Lateral Meniscus: A Report From the SCORE Multicenter Database. Am J Sports Med 2023; 51:3493-3501. [PMID: 37899536 PMCID: PMC10623608 DOI: 10.1177/03635465231206173] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 08/18/2022] [Accepted: 07/20/2023] [Indexed: 10/31/2023]
Abstract
BACKGROUND Surgical treatment options of discoid lateral meniscus in pediatric patients consist of saucerization with or without meniscal repair, meniscocapular stabilization, and, less often, subtotal meniscectomy. PURPOSE To describe a large, prospectively collected multicenter cohort of discoid menisci undergoing surgical intervention, and further investigate corresponding treatment of discoid menisci. STUDY DESIGN Cohort study; Level of evidence, 3. METHODS A multicenter quality improvement registry (16 institutions, 26 surgeons), Sports Cohort Outcomes Registry, was queried. Patient characteristics, discoid type, presence and type of intrasubstance meniscal tear, peripheral rim instability, repair technique, and partial meniscectomy/debridement beyond saucerization were reviewed. Discoid meniscus characteristics were compared between age groups (<14 and >14 years old), based on receiver operating characteristic curve, and discoid morphology (complete and incomplete). RESULTS In total, 274 patients were identified (mean age, 12.4 years; range, 3-18 years), of whom 55.6% had complete discoid. Meniscal repairs were performed in 55.1% of patients. Overall, 48.5% of patients had rim instability and 36.8% had >1 location of peripheral rim instability. Of the patients, 21.5% underwent meniscal debridement beyond saucerization, with 8.4% undergoing a subtotal meniscectomy. Patients <14 years of age were more likely to have a complete discoid meniscus (P < .001), peripheral rim instability (P = .005), and longitudinal tears (P = .015) and require a meniscal repair (P < .001). Patients ≥14 years of age were more likely to have a radial/oblique tear (P = .015) and require additional debridement beyond the physiologic rim (P = .003). Overall, 70% of patients <14 years of age were found to have a complete discoid meniscus necessitating saucerization, and >50% in this young age group required peripheral stabilization/repair. CONCLUSION To preserve physiological "normal" meniscus, a repair may be indicated in >50% of patients <14 years of age but occurred in <50% of those >14 years. Additional resection beyond the physiological rim may be needed in 15% of younger patients and 30% of those aged >14 years.
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Affiliation(s)
| | | | - Jay Albright
- Department of Orthopedics, Children's Hospital Colorado, Aurora, Colorado, USA
| | - Sheila Algan
- Department of Orthopedic Surgery, Oklahoma Children's Hospital, Oklahoma City, Oklahoma, USA
| | | | - Richard E. Bowen
- Department of Orthopaedic Surgery, David Geffen School of Medicine at UCLA, Los Angeles, California, USA; Orthopedic Institute for Children's Center for Sports Medicine, Los Angeles, California, USA
| | - Jennifer Brey
- Department of Orthopedics, Norton Children's Orthopedics of Louisville, Louisville, Kentucky, USA
| | - J. Marc Cardelia
- Department of Orthopedics and Sports Medicine, Children's Hospital of the King's Daughters, Norfolk, Virginia, USA
| | - Christian Clark
- OrthoCarolina Pediatric Orthopaedic Center, Charlotte, North Carolina, USA)
| | | | - Allison Crepeau
- Elite Sports Medicine at Connecticut Children's, Hartford, Connecticut, USA; Division of Sports Medicine, Department of Orthopedics, UConn Health, Farmington, Connecticut, USA
| | - Eric Edmonds
- Division of Orthopaedic Surgery, Rady Children's Hospital, San Diego, California, USA
| | - Matthew Ellington
- Department of Orthopedics, Central Texas Pediatric Orthopedics, Austin, Texas, USA; Dell Medical School, University of Texas at Austin, Austin, Texas, USA
| | - Henry B. Ellis
- Investigation performed at Scottish Rite for Children, University of Texas Southwestern Medical Center, Dallas, USA
| | - Peter D. Fabricant
- Division of Pediatric Orthopaedic Surgery, Hospital for Special Surgery, New York, New York, USA; Weill Cornell Medical College, New York, New York
| | - Jeremy S. Frank
- Division of Pediatric Orthopaedics and Spinal Deformities, Joe DiMaggio Children's Hospital, Hollywood, Florida, USA
| | - Theodore J. Ganley
- Division of Orthopaedics, Children's Hospital of Philadelphia, Philadelphia, Pennsylvania, USA
| | - Daniel W. Green
- Division of Pediatric Orthopaedic Surgery, Hospital for Special Surgery, New York, New York, USA
| | - Andrew Gupta
- Division of Pediatric Orthopaedics and Spinal Deformities, Joe DiMaggio Children's Hospital, Hollywood, Florida, USA
| | - Benton Heyworth
- Department of Orthopaedic Surgery, Boston Children's Hospital, Boston, Massachusetts, USA
| | - W. Craig Kemper
- University of Texas Southwestern Medical Center, Dallas, Texas, USA
| | - Kevin Latz
- Department of Orthopedics-Sports Medicine, Children's Mercy, Kansas City, Missouri, USA
| | - Alfred Mansour
- Department of Orthopedic Surgery, UTHealth Houston, McGovern Medical School, Houston, Texas, USA
| | - Stephanie Mayer
- Department of Orthopedics, Children's Hospital Colorado, Aurora, Colorado, USA
| | - Scott D. McKay
- Baylor College of Medicine, Houston, Texas, USA; Texas Children's Hospital, Houston, Texas, USA
| | - Matthew D. Milewski
- Department of Orthopaedic Surgery, Boston Children's Hospital, Boston, Massachusetts, USA
| | - Emily Niu
- Department of Orthopedic Surgery and Sports Medicine, Children's National Medical Center, Washington, DC, USA
| | - Donna M. Pacicca
- Department of Orthopedics-Sports Medicine, Children's Mercy, Kansas City, Missouri, USA
| | - Shital N. Parikh
- Division of Orthopaedic Surgery, Cincinnati Children's Hospital Medical Center, Cincinnati, Ohio, USA
| | - Lauren Pupa
- Baylor College of Medicine, Houston, Texas, USA
| | - Jason Rhodes
- Department of Orthopedics, Children's Hospital Colorado, Aurora, Colorado, USA
| | | | - Gregory A. Schmale
- Department of Orthopedics and Sports Medicine, Seattle Children's Hospital, Seattle, Washington, USA
| | - Matthew Schmitz
- San Antonio Military Medical Center, San Antonio, Texas, USA
| | - Kevin Shea
- Department of Orthopaedics, Stanford University School of Medicine, Stanford, California, USA
| | - Rachel S. Silverstein
- Baylor College of Medicine, Houston, Texas, USA; Texas Children's Hospital, Houston, Texas, USA
| | - Stephen Storer
- Division of Pediatric Orthopaedics and Spinal Deformities, Joe DiMaggio Children's Hospital, Hollywood, Florida, USA
| | - Philip L. Wilson
- University of Texas Southwestern Medical Center, Dallas, Texas, USA; Scottish Rite for Children, Dallas, Texas, USA)
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Anderson KG, Carsen S, Stinson Z, Kushare I, Finlayson CJ, Nault ML, Lee RJ, Haus BM, Schmale GA. Medial Discoid Meniscus in Children: A Multicenter Case Series of Clinical Features and Operative Results. Am J Sports Med 2023; 51:1171-1176. [PMID: 36876853 DOI: 10.1177/03635465231159671] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 03/07/2023]
Abstract
BACKGROUND The discoid medial meniscus is a rare congenital anomaly of the knee. The literature is limited to small case series. PURPOSE/HYPOTHESIS Our purpose is to report the clinical manifestations and operative treatments of discoid medial menisci in children from multiple centers in North America. We hypothesized that symptoms and signs, arthroscopic findings, surgical treatments, and outcomes are similar to those for symptomatic discoid lateral menisci. STUDY DESIGN Case series; Level of evidence, 4. METHODS A retrospective review identified patients with a diagnosed discoid medial meniscus confirmed at surgery across 8 children's hospitals between January 2000 and June 2021. The literature on discoid lateral menisci was reviewed and summarized for comparison. RESULTS A total of 21 patients (9 female, 12 male) with 22 discoid medial menisci were identified. The mean ± SD age at the time of diagnosis was 12.8 ± 3.8 years. The most common symptoms and signs were locking and/or clunking, present in 12 of 22 knees (55%), similar to that reported in patients with discoid lateral menisci. Twelve discoid medial menisci were complete (55%); 8, incomplete (36%); and 2, indeterminate (9%). Tears were present in 13 knees, most commonly horizontal cleavage (54%). Five discoid medial menisci were unstable (23%): 3 for posterior tears and 2 for rim insufficiency. All 22 knees underwent arthroscopic saucerization, and of the 13 torn menisci, 7 (54%) were repaired. The median follow-up was 24 months (range, 2-82 months). Four knees underwent reoperation. All knees that required reoperation had undergone repair for a posteriorly located tear. There was a significant association between operative repair and need for reoperation (P = .0048). High rates of peripheral instability were also noted in case series of patients with discoid lateral menisci. CONCLUSION Patient presentations and treatments for those with discoid medial menisci were similar to those reported for patients with discoid lateral menisci. Knees with discoid medial menisci also demonstrated instability attributed to peripheral insufficiency and posterior tears. Tears were present in over half of knees with discoid medial menisci, and reoperation was more common in knees that underwent repair of tears than those without repair.
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Affiliation(s)
| | - Sasha Carsen
- Children's Hospital of Eastern Ontario, Ottowa, Ontario, Canada
| | - Zachary Stinson
- Nemours Children's Health and University of Central Florida School of Medicine, Orlando, Florida, USA
| | - Indranil Kushare
- Texas Children's Hospital and Baylor College of Medicine, Houston, Texas, USA
| | - Craig J Finlayson
- Ann and Robert H. Lurie Children's Hospital of Chicago and Northwestern University Feinberg School of Medicine, Chicago, Illinois, USA
| | | | - R Jay Lee
- Johns Hopkins Hospital, Baltimore, Maryland, USA
| | - Brian M Haus
- University of California Davis Children's Hospital, Sacramento, California, USA
| | | | - Gregory A Schmale
- Seattle Children's and University of Washington School of Medicine, Seattle, Washington, USA
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