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KEY FACTS
Terminology
Imaging
Top Differential Diagnoses
Pathology
Clinical Issues
Diagnostic Checklist
TERMINOLOGY
Abbreviations
- Radial tear (RT)
Definitions
- Vertical meniscus tear oriented perpendicular to long axis of meniscus
IMAGING
General Features
CT Findings
MR Findings
Imaging Recommendations
DIFFERENTIAL DIAGNOSIS
PATHOLOGY
General Features
CLINICAL ISSUES
Presentation
Demographics
Natural History & Prognosis
Treatment
DIAGNOSTIC CHECKLIST
Consider
Image Interpretation Pearls
Selected References
- Lecouvet F et al: Magnetic resonance imaging (MRI) of the knee: identification of difficult-to-diagnose meniscal lesions. Diagn Interv Imaging. 99(2):55-64, 2018
- Tachibana Y et al: Effect of radial meniscal tear on in situ forces of meniscus and tibiofemoral relationship. Knee Surg Sports Traumatol Arthrosc. 25(2):355-61, 2017
- Akatsu Y et al: Accuracy of high-resolution ultrasound in the detection of meniscal tears and determination of the visible area of menisci. J Bone Joint Surg Am. 97(10):799-806, 2015
- Branch EA et al: Biomechanical comparison of arthroscopic repair constructs for radial tears of the meniscus. Am J Sports Med. 43(9):2270-6, 2015
- Forkel P et al: Different patterns of lateral meniscus root tears in ACL injuries: application of a differentiated classification system. Knee Surg Sports Traumatol Arthrosc. 23(1):112-8, 2015
- LaPrade CM et al: Meniscal root tears: a classification system based on tear morphology. Am J Sports Med. 43(2):363-9, 2015
- Takahashi K et al: Medial meniscal posterior root/horn radial tears correlate with cartilage degeneration detected by T1ρ relaxation mapping. Eur J Radiol. 84(6):1098-104, 2015
- Bhatia S et al: Meniscal root tears: significance, diagnosis, and treatment. Am J Sports Med. 42(12):3016-30, 2014
- LaPrade CM et al: Altered tibiofemoral contact mechanics due to lateral meniscus posterior horn root avulsions and radial tears can be restored with in situ pull-out suture repairs. J Bone Joint Surg Am. 96(6):471-9, 2014
- Lee DW et al: Medial meniscus posterior root tear: a comprehensive review. Knee Surg Relat Res. 26(3):125-34, 2014
- Petersen W et al: Posterior root tear of the medial and lateral meniscus. Arch Orthop Trauma Surg. 134(2):237-55, 2014
- Song HS et al: Repair of a radial tear in the posterior horn of the lateral meniscus. Knee. 21(6):1185-90, 2014
- Davis KW et al: Magnetic resonance imaging and arthroscopic appearance of the menisci of the knee. Clin Sports Med. 32(3):449-75, 2013
- Lim D et al: Fat-suppressed volume isotropic turbo spin echo acquisition (VISTA) MR imaging in evaluating radial and root tears of the meniscus: focusing on reader-defined axial reconstruction. Eur J Radiol. 82(12):2296-302, 2013
- Ra HJ et al: Arthroscopic inside-out repair of complete radial tears of the meniscus with a fibrin clot. Knee Surg Sports Traumatol Arthrosc. 21(9):2126-30, 2013
- Shieh A et al: Meniscus tear patterns in relation to skeletal immaturity: children versus adolescents. Am J Sports Med. 41(12):2779-83, 2013
- Choi SH et al: The MRI findings of meniscal root tear of the medial meniscus: emphasis on coronal, sagittal and axial images. Knee Surg Sports Traumatol Arthrosc. 20(10):2098-2103, 2012
- Ode GE et al: Effects of serial sectioning and repair of radial tears in the lateral meniscus. Am J Sports Med. 40(8):1863-70, 2012
- Vyas D et al: Meniscus root repair. Sports Med Arthrosc. 20(2):86-94, 2012
- Choi CJ et al: Characteristics of radial tears in the posterior horn of the medial meniscus compared to horizontal tears. Clin Orthop Surg. 3(2):128-32, 2011
- Anderson L et al: Repair of radial tears and posterior horn detachments of the lateral meniscus: minimum 2-year follow-up. Arthroscopy. 26(12):1625-32, 2010
- Bedi A et al: Dynamic contact mechanics of the medial meniscus as a function of radial tear, repair, and partial meniscectomy. J Bone Joint Surg Am. 92(6):1398-408, 2010
- Choi CJ et al: Magnetic resonance imaging evidence of meniscal extrusion in medial meniscus posterior root tear. Arthroscopy. 26(12):1602-6, 2010
- Choi NH et al: Meniscal repair for radial tears of the midbody of the lateral meniscus. Am J Sports Med. 38(12):2472-6, 2010
- Jones C et al: Repair of the posterior root of the medial meniscus. Knee. 17(1):77-80, 2010
- Kim YJ et al: Posterior root tear of the medial meniscus in multiple knee ligament injuries. Knee. 17(5):324-8, 2010
- De Smet AA et al: MR diagnosis of posterior root tears of the lateral meniscus using arthroscopy as the reference standard. AJR Am J Roentgenol. 192(2):480-6, 2009
- Koenig JH et al: Meniscal root tears: diagnosis and treatment. Arthroscopy. 25(9):1025-32, 2009
- Rubinstein RA Jr et al: Posterior medial meniscus detachment: a unique type of medial meniscal tear. J Knee Surg. 22(4):339-45, 2009
- Allaire R et al: Biomechanical consequences of a tear of the posterior root of the medial meniscus. Similar to total meniscectomy. J Bone Joint Surg Am. 90(9):1922-31, 2008
- Haklar U et al: Arthroscopic repair of radial lateral meniscus [corrected] tear by double horizontal sutures with inside-outside technique. Knee. 15(5):355-9, 2008
- Lee YG et al: Magnetic resonance imaging findings of surgically proven medial meniscus root tear: tear configuration and associated knee abnormalities. J Comput Assist Tomogr. 32(3):452-7, 2008
- Magee T: MR findings of meniscal extrusion correlated with arthroscopy. J Magn Reson Imaging. 28(2):466-70, 2008
- Ozkoc G et al: Radial tears in the root of the posterior horn of the medial meniscus. Knee Surg Sports Traumatol Arthrosc. 16(9):849-54, 2008
- Yoo JC et al: Suturing complete radial tears of the lateral meniscus. Arthroscopy. 23(11):1249, 2007
- Brody JM et al: Lateral meniscus root tear and meniscus extrusion with anterior cruciate ligament tear. Radiology. 239(3):805-10, 2006
- Terzidis IP et al: Meniscal tear characteristics in young athletes with a stable knee: arthroscopic evaluation. Am J Sports Med. 34(7):1170-5, 2006
- Harper KW et al: Radial meniscal tears: significance, incidence, and MR appearance. AJR Am J Roentgenol. 185(6):1429-34, 2005
- Bin SI et al: Radial tears of the posterior horn of the medial meniscus. Arthroscopy. 20(4):373-8, 2004
- Costa CR et al: Medial meniscus extrusion on knee MRI: is extent associated with severity of degeneration or type of tear? AJR Am J Roentgenol. 183(1):17-23, 2004
- Kidron A et al: Radial tears associated with cleavage tears of the medial meniscus in athletes. Arthroscopy. 18(3):254-6, 2002
- Magee T et al: MR accuracy and arthroscopic incidence of meniscal radial tears. Skeletal Radiol. 31(12):686-9, 2002
- Tuckman GA et al: Radial tears of the menisci: MR findings. AJR Am J Roentgenol. 163(2):395-400, 1994
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References
Tables
Tables
KEY FACTS
Terminology
Imaging
Top Differential Diagnoses
Pathology
Clinical Issues
Diagnostic Checklist
TERMINOLOGY
Abbreviations
- Radial tear (RT)
Definitions
- Vertical meniscus tear oriented perpendicular to long axis of meniscus
IMAGING
General Features
CT Findings
MR Findings
Imaging Recommendations
DIFFERENTIAL DIAGNOSIS
PATHOLOGY
General Features
CLINICAL ISSUES
Presentation
Demographics
Natural History & Prognosis
Treatment
DIAGNOSTIC CHECKLIST
Consider
Image Interpretation Pearls
Selected References
- Lecouvet F et al: Magnetic resonance imaging (MRI) of the knee: identification of difficult-to-diagnose meniscal lesions. Diagn Interv Imaging. 99(2):55-64, 2018
- Tachibana Y et al: Effect of radial meniscal tear on in situ forces of meniscus and tibiofemoral relationship. Knee Surg Sports Traumatol Arthrosc. 25(2):355-61, 2017
- Akatsu Y et al: Accuracy of high-resolution ultrasound in the detection of meniscal tears and determination of the visible area of menisci. J Bone Joint Surg Am. 97(10):799-806, 2015
- Branch EA et al: Biomechanical comparison of arthroscopic repair constructs for radial tears of the meniscus. Am J Sports Med. 43(9):2270-6, 2015
- Forkel P et al: Different patterns of lateral meniscus root tears in ACL injuries: application of a differentiated classification system. Knee Surg Sports Traumatol Arthrosc. 23(1):112-8, 2015
- LaPrade CM et al: Meniscal root tears: a classification system based on tear morphology. Am J Sports Med. 43(2):363-9, 2015
- Takahashi K et al: Medial meniscal posterior root/horn radial tears correlate with cartilage degeneration detected by T1ρ relaxation mapping. Eur J Radiol. 84(6):1098-104, 2015
- Bhatia S et al: Meniscal root tears: significance, diagnosis, and treatment. Am J Sports Med. 42(12):3016-30, 2014
- LaPrade CM et al: Altered tibiofemoral contact mechanics due to lateral meniscus posterior horn root avulsions and radial tears can be restored with in situ pull-out suture repairs. J Bone Joint Surg Am. 96(6):471-9, 2014
- Lee DW et al: Medial meniscus posterior root tear: a comprehensive review. Knee Surg Relat Res. 26(3):125-34, 2014
- Petersen W et al: Posterior root tear of the medial and lateral meniscus. Arch Orthop Trauma Surg. 134(2):237-55, 2014
- Song HS et al: Repair of a radial tear in the posterior horn of the lateral meniscus. Knee. 21(6):1185-90, 2014
- Davis KW et al: Magnetic resonance imaging and arthroscopic appearance of the menisci of the knee. Clin Sports Med. 32(3):449-75, 2013
- Lim D et al: Fat-suppressed volume isotropic turbo spin echo acquisition (VISTA) MR imaging in evaluating radial and root tears of the meniscus: focusing on reader-defined axial reconstruction. Eur J Radiol. 82(12):2296-302, 2013
- Ra HJ et al: Arthroscopic inside-out repair of complete radial tears of the meniscus with a fibrin clot. Knee Surg Sports Traumatol Arthrosc. 21(9):2126-30, 2013
- Shieh A et al: Meniscus tear patterns in relation to skeletal immaturity: children versus adolescents. Am J Sports Med. 41(12):2779-83, 2013
- Choi SH et al: The MRI findings of meniscal root tear of the medial meniscus: emphasis on coronal, sagittal and axial images. Knee Surg Sports Traumatol Arthrosc. 20(10):2098-2103, 2012
- Ode GE et al: Effects of serial sectioning and repair of radial tears in the lateral meniscus. Am J Sports Med. 40(8):1863-70, 2012
- Vyas D et al: Meniscus root repair. Sports Med Arthrosc. 20(2):86-94, 2012
- Choi CJ et al: Characteristics of radial tears in the posterior horn of the medial meniscus compared to horizontal tears. Clin Orthop Surg. 3(2):128-32, 2011
- Anderson L et al: Repair of radial tears and posterior horn detachments of the lateral meniscus: minimum 2-year follow-up. Arthroscopy. 26(12):1625-32, 2010
- Bedi A et al: Dynamic contact mechanics of the medial meniscus as a function of radial tear, repair, and partial meniscectomy. J Bone Joint Surg Am. 92(6):1398-408, 2010
- Choi CJ et al: Magnetic resonance imaging evidence of meniscal extrusion in medial meniscus posterior root tear. Arthroscopy. 26(12):1602-6, 2010
- Choi NH et al: Meniscal repair for radial tears of the midbody of the lateral meniscus. Am J Sports Med. 38(12):2472-6, 2010
- Jones C et al: Repair of the posterior root of the medial meniscus. Knee. 17(1):77-80, 2010
- Kim YJ et al: Posterior root tear of the medial meniscus in multiple knee ligament injuries. Knee. 17(5):324-8, 2010
- De Smet AA et al: MR diagnosis of posterior root tears of the lateral meniscus using arthroscopy as the reference standard. AJR Am J Roentgenol. 192(2):480-6, 2009
- Koenig JH et al: Meniscal root tears: diagnosis and treatment. Arthroscopy. 25(9):1025-32, 2009
- Rubinstein RA Jr et al: Posterior medial meniscus detachment: a unique type of medial meniscal tear. J Knee Surg. 22(4):339-45, 2009
- Allaire R et al: Biomechanical consequences of a tear of the posterior root of the medial meniscus. Similar to total meniscectomy. J Bone Joint Surg Am. 90(9):1922-31, 2008
- Haklar U et al: Arthroscopic repair of radial lateral meniscus [corrected] tear by double horizontal sutures with inside-outside technique. Knee. 15(5):355-9, 2008
- Lee YG et al: Magnetic resonance imaging findings of surgically proven medial meniscus root tear: tear configuration and associated knee abnormalities. J Comput Assist Tomogr. 32(3):452-7, 2008
- Magee T: MR findings of meniscal extrusion correlated with arthroscopy. J Magn Reson Imaging. 28(2):466-70, 2008
- Ozkoc G et al: Radial tears in the root of the posterior horn of the medial meniscus. Knee Surg Sports Traumatol Arthrosc. 16(9):849-54, 2008
- Yoo JC et al: Suturing complete radial tears of the lateral meniscus. Arthroscopy. 23(11):1249, 2007
- Brody JM et al: Lateral meniscus root tear and meniscus extrusion with anterior cruciate ligament tear. Radiology. 239(3):805-10, 2006
- Terzidis IP et al: Meniscal tear characteristics in young athletes with a stable knee: arthroscopic evaluation. Am J Sports Med. 34(7):1170-5, 2006
- Harper KW et al: Radial meniscal tears: significance, incidence, and MR appearance. AJR Am J Roentgenol. 185(6):1429-34, 2005
- Bin SI et al: Radial tears of the posterior horn of the medial meniscus. Arthroscopy. 20(4):373-8, 2004
- Costa CR et al: Medial meniscus extrusion on knee MRI: is extent associated with severity of degeneration or type of tear? AJR Am J Roentgenol. 183(1):17-23, 2004
- Kidron A et al: Radial tears associated with cleavage tears of the medial meniscus in athletes. Arthroscopy. 18(3):254-6, 2002
- Magee T et al: MR accuracy and arthroscopic incidence of meniscal radial tears. Skeletal Radiol. 31(12):686-9, 2002
- Tuckman GA et al: Radial tears of the menisci: MR findings. AJR Am J Roentgenol. 163(2):395-400, 1994
