Anatomy of the knee can be complicated and hard to understand. While a detailed explanation of mri protocols and mr physics is beyond the scope of this text, fast spin echo fse mri is most commonly utilized for mri of the knee. Normal radiographic anatomy of the knee radiology case. The test helps your doctor visualize the anatomy of your knee to determine the possible cause of your. It is the largest synovial joint in the body and allows flexion and extension of the leg as well as some rotation in the flexed position. Flair mri scan 8 demonstrating the view just left of midline 3 5 ontal lobe 2.
Highresolution magnetic resonance imaging of the knee joint ajr. The inferior lateral genicular artery courses between the fcl and the popliteus tendon. Click on a link to get t1 coronal view t2fatsat axial view t2fatsat coronal view. Use the mouse scroll wheel to move the images up and down alternatively use the tiny arrows on both side of the image to move the images. Even though paul segond first described a fibrous and resistant fibrous band inserting into the anterolateral avulsion fracture of the tibia in the 19th century, never before have so many studies with regard to the anterolateral knee structures been performed. The mr images are uptodate, well labeled, and pertinent to todays imaging practice. To the best of our knowledge, no study has evaluated mri abnormalities of knee. Contents upper extremity page shoulder elbow wrist finger thumb lower extremity hip pelvis thigh knee. Webmds knee anatomy page provides a detailed image and definition of the knee and its parts including ligaments, bones, and muscles. Welcome to the hitachi medical systems america, inc. Presented in full color, with additional illustrations and highquality mri images to aid understanding. How to read an mri of a normal knee anatomy of the knee.
Knowing major anatomical variations and technical artifact that may false images of meniscal and ligamentous injuries. The authors intended audience is radiology residents, musculoskeletal fellows, and staff radiologists both. Through the use of magnetic resonance imaging, clinicians can diagnose ligament and meniscal injuries along with identifying cartilage defects, bone fractures and bruises. Outline coils, patient positioning acquisition parameters, planes and pulse sequences knee arthrography normal anatomy.
Three conventional mri planes that are utilized to evaluate the knee include sagittal oblique, coronal, and transaxial planes. Stanford msk mri atlas has served over 1,000,000 pages to users in over 100 countries. You get the mri early if patient has locked knee, means. Magnetic resonance imaging of the knee dr benjamin domb. Mri of the knee a guide to evaluation and reporting. Functionally, the knee comprises 2 articulationsthe patellofemoral and tibiofemoral. Mri books mri courses mri education from mri in practice. Offers, for the first time, equations and their explanations and scan tips. The knee joint is a modified hinge joint between the femur, tibia and patella. For a knee mri, youll go in feetfirst, and only your lower body will be in the tube. This is followed by a detailed description of abnormal imaging findings as well as postoperative findings.
Knee pain in young patients is a common indication for knee mri. Magnetic resonance imaging is particularly well suited for the medical evaluation of the musculoskeletal msk system including the knee, shoulder, ankle, wrist and elbow. This mri brain crosssectional anatomy tool serves as a reference atlas to guide radiologists and researchers in the accurate identification of the brain structures. Robert laprade discusses how to read an mri of a normal knee. Relevant anatomy sagittal imaging plane prescribe sagittal plane off axial images with line parallel to bony glenoid. From the chief of msk radiology, stanford university. Tools in msk imaging t1w1 t2w1 fat sat t1 stir fat sat t2 gadolinium studies mr arthrography 5. Expect to hold still for around 15 to 45 minutes, sometimes longer, while the machine makes images of your knee. Stability of the joint is governed by a combination of static ligaments, dynamic muscular forces, meniscocapsular aponeurosis, bony topography, and joint load. Diagnosing knee injury with an mri verywell health. Pdf magnetic resonance imaging has become the imaging modality of choice for evaluation of. Superiorly, it extends to the level of the crossing of the biceps. Becoming familiar with the anatomy of this region can improve ones ability to detect subtle.
Brand new chapters on mri equipment, vascular imaging and safety. Your doctor may order an mri scan if they suspect any abnormalities within your knee joint. This mri brain cross sectional anatomy tool is absolutely free to use. Helms, md the posterolateral corner of the knee represents a complicated area of anatomy and function.
An mri of the knee of a healthy subject was performed in the 3 planes of space coronal, axial, sagittal commonly used in osteoarticular imaging, with two weightings most commonly used to explore the musculoskeletal pathology of the knee. Each chapter concludes with a summary, presented in a bulleted for. Because of its excellent softtissue contrast, magnetic resonance imaging mri has proven very useful for identifying these important structures. Nov 21, 2016 you get the mri early if patient has locked knee, means. It is typically used to help diagnose or evaluate pain, weakness, swelling or bleeding in and around the joint. Normal anatomy of the knee ligaments, pathologic conditions, and postsurgical appearances of the anterior cruci. Normal anatomy and biomechanics of the knee fred flandry, md, facsw and gabriel hommel, md abstract. Injuries such as anterior cruciate ligament, meniscus and rotator cuff tears are all easily diagnosed when there is a firm understanding and knowledge of human anatomy. Many excellent texts and atlases have been written to serve this. Failure to recognize injury to the posterolateral structures in the acute setting can result in longterm disability. More cases are included in the part ii video and on use chrome or firefox.
Mri of the knee in asymptomatic adolescent swimmers. Each of the 11 chapters follows a similar format, which makes initial reading as well as followup reference manageable. Magnetic resonance imaging mri is a technology often used to investigate the sources of knee problems. Pdf magnetic resonance imaging of variants of the knee.
This book is divided into chapters that cover mri of all structures of the knee joint in. Magnetic resonance imaging mri knee magnetic resonance imaging mri of the knee uses a powerful magnetic field, radio waves and a computer to produce detailed pictures of the structures within the knee joint. The fclbiceps femoris bursa is found lateral to the distal fcl, and insinuates anterior and anteromedial in relation to this ligament. Mri of the knee j swart office of continuing medical. Jennifer swart has no relevant financial relationships with commercial interests to disclose. This webpage presents the anatomical structures found on knee mri. An overview of anatomy and imaging of the anterolateral. This page presents a comprehensive series of labeled axial, sagittal and coronal images from a normal human brain magnetic resonance imaging exam. Musculoskeletal radiology south texas radiology group financial disclosure dr. Wrist finger thumb lower extremity hip pelvis thigh knee. A knee mri magnetic resonance imaging scan uses energy from strong magnets to create pictures of the knee joint and muscles and tissues.
This book is well organized and is equally well structured. A guide to evaluation and reporting is a wellwritten, uptodate book covering all imaging aspects of magnetic resonance mr imaging of the knee joint. The images can be stored on a computer or printed on. Become an expert musculoskeletal mri reader as your progress through the basics of anatomy and protocols on mri. Normal mr imaging anatomy of the knee saifuddin vohra, do, george arnold, md, shashin doshi, md, david marcantonio, md there are several keys to successfully interpreting mr imaging examinations. Background the knee is a complexed articulation characterized by the presence of. Primary and secondary bone and soft tissue tumors 3. This article focuses on how to systematically approach. Knee pathology meniscal pathology ligament injury cartilage lesions bony and tendinous lesions. Initially, constructing a solid foundation consisting of a good understanding of basic mr imaging principles and imaging protocols as well as the. Knowing the anatomy and the normal signal in mri of the different structures of the knee. Many static and dynamic internal derangements of the patellofemoral joint in these patients lead to various secondary mri findings. Most of the previous reports have used mri to evaluate knee joint abnormalities of asymptomatic athletes in different sport modalities, such as soccer, basketball and gymnastic.
Many excellent texts and atlases have been written to serve this need for clinicians and radiologists. It works by emitting magnetic waves that bounce off tissue, bones, and organs in different ways. The images can be stored on a computer or printed on film. Each of the wellthoughtout chapters begins with normal anatomy and normal mr imaging findings. To evaluate effectively an mri examination of a particular joint or region in the musculoskeletal system, it is essential to have at least a basic understanding of the normal mri anatomy of that region.
Relevant anatomy humeral head bony glenoid clavicle. Magnetic resonance imaging of the knee and correlation with. The authors goals were to provide a standardized evaluation and reporting of knee mr imaging. Comparison of isotropicresolution 3d and conventional 2d fast spinecho sequences at 3 t. These waves are then translated into images we can use for diagnosis. Click on a link to get t1 coronal view t2fatsat axial view t2fatsat coronal view t2fatsat sagittal view.
This mri knee coronal cross sectional anatomy tool is absolutely free to use. Now with a greater focus on the physics behind mri. Background the knee is a complexed articulation characterized by the presence of ligamentous and. Mri of the knee may be indicated to further clarify and stage conditions diagnosed clinically andor suggested by other imaging modalities, including, but not limited to.