Mri of the knee in asymptomatic adolescent swimmers. Background the knee is a complexed articulation characterized by the presence of ligamentous and. Magnetic resonance imaging of the knee dr benjamin domb. Initially, constructing a solid foundation consisting of a good understanding of basic mr imaging principles and imaging protocols as well as the. Jennifer swart has no relevant financial relationships with commercial interests to disclose. Comparison of isotropicresolution 3d and conventional 2d fast spinecho sequences at 3 t. Magnetic resonance imaging is particularly well suited for the medical evaluation of the musculoskeletal msk system including the knee, shoulder, ankle, wrist and elbow.
The inferior lateral genicular artery courses between the fcl and the popliteus tendon. The authors goals were to provide a standardized evaluation and reporting of knee mr imaging. The test helps your doctor visualize the anatomy of your knee to determine the possible cause of your. Mri of the knee j swart office of continuing medical. Normal anatomy of the knee ligaments, pathologic conditions, and postsurgical appearances of the anterior cruci. Become an expert musculoskeletal mri reader as your progress through the basics of anatomy and protocols on mri. Pdf magnetic resonance imaging has become the imaging modality of choice for evaluation of. Flair mri scan 8 demonstrating the view just left of midline 3 5 ontal lobe 2. From the chief of msk radiology, stanford university. This mri brain cross sectional anatomy tool is absolutely free to use.
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. 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. Because of its excellent softtissue contrast, magnetic resonance imaging mri has proven very useful for identifying these important structures. Superiorly, it extends to the level of the crossing of the biceps. Each chapter concludes with a summary, presented in a bulleted for. Nov 21, 2016 you get the mri early if patient has locked knee, means. This article focuses on how to systematically approach. It works by emitting magnetic waves that bounce off tissue, bones, and organs in different ways. Becoming familiar with the anatomy of this region can improve ones ability to detect subtle. Helms, md the posterolateral corner of the knee represents a complicated area of anatomy and function. Your doctor may order an mri scan if they suspect any abnormalities within your knee joint. Functionally, the knee comprises 2 articulationsthe patellofemoral and tibiofemoral. Brand new chapters on mri equipment, vascular imaging and safety.
Failure to recognize injury to the posterolateral structures in the acute setting can result in longterm disability. This mri knee coronal cross sectional anatomy tool is absolutely free to use. This mri brain crosssectional anatomy tool serves as a reference atlas to guide radiologists and researchers in the accurate identification of the brain structures. 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. This book is well organized and is equally well structured. Primary and secondary bone and soft tissue tumors 3. This page presents a comprehensive series of labeled axial, sagittal and coronal images from a normal human brain magnetic resonance imaging exam. Relevant anatomy sagittal imaging plane prescribe sagittal plane off axial images with line parallel to bony glenoid. This webpage presents the anatomical structures found on knee mri. Pdf magnetic resonance imaging of variants of the knee. Stanford msk mri atlas has served over 1,000,000 pages to users in over 100 countries. Stanford msk mri atlas illustration by kate stevens atlas. Knowing major anatomical variations and technical artifact that may false images of meniscal and ligamentous injuries.
Diagnosing knee injury with an mri verywell health. Knee pathology meniscal pathology ligament injury cartilage lesions bony and tendinous lesions. You get the mri early if patient has locked knee, means. 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. How to read an mri of a normal knee anatomy of the knee. Robert laprade discusses how to read an mri of a normal knee. Contents upper extremity page shoulder elbow wrist finger thumb lower extremity hip pelvis thigh knee. Knowing the anatomy and the normal signal in mri of the different structures of the knee.
Tools in msk imaging t1w1 t2w1 fat sat t1 stir fat sat t2 gadolinium studies mr arthrography 5. Musculoskeletal radiology south texas radiology group financial disclosure dr. Magnetic resonance imaging mri is a technology often used to investigate the sources of knee problems. A knee mri magnetic resonance imaging scan uses energy from strong magnets to create pictures of the knee joint and muscles and tissues. This is followed by a detailed description of abnormal imaging findings as well as postoperative findings. Wrist finger thumb lower extremity hip pelvis thigh knee. Three conventional mri planes that are utilized to evaluate the knee include sagittal oblique, coronal, and transaxial planes. The mr images are uptodate, well labeled, and pertinent to todays imaging practice. Background the knee is a complexed articulation characterized by the presence of.
For a knee mri, youll go in feetfirst, and only your lower body will be in the tube. Now with a greater focus on the physics behind mri. Click on a link to get t1 coronal view t2fatsat axial view t2fatsat coronal view. 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. This book is divided into chapters that cover mri of all structures of the knee joint in.
Welcome to the hitachi medical systems america, inc. Many excellent texts and atlases have been written to serve this need for clinicians and radiologists. The fclbiceps femoris bursa is found lateral to the distal fcl, and insinuates anterior and anteromedial in relation to this ligament. A guide to evaluation and reporting is a wellwritten, uptodate book covering all imaging aspects of magnetic resonance mr imaging of the knee joint. More cases are included in the part ii video and on use chrome or firefox. Each of the wellthoughtout chapters begins with normal anatomy and normal mr imaging findings. Highresolution magnetic resonance imaging of the knee joint ajr. Magnetic resonance imaging of the knee and correlation with. 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. Outline coils, patient positioning acquisition parameters, planes and pulse sequences knee arthrography normal anatomy. Presented in full color, with additional illustrations and highquality mri images to aid understanding. 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.
Mri books mri courses mri education from mri in practice. Stability of the joint is governed by a combination of static ligaments, dynamic muscular forces, meniscocapsular aponeurosis, bony topography, and joint load. Normal radiographic anatomy of the knee radiology case. Mri of the knee a guide to evaluation and reporting. The authors intended audience is radiology residents, musculoskeletal fellows, and staff radiologists both. 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. Offers, for the first time, equations and their explanations and scan tips. Many static and dynamic internal derangements of the patellofemoral joint in these patients lead to various secondary mri findings. Click on a link to get t1 coronal view t2fatsat axial view t2fatsat coronal view t2fatsat sagittal view. To the best of our knowledge, no study has evaluated mri abnormalities of knee. 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 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. Anatomy of the knee can be complicated and hard to understand.
Normal anatomy and biomechanics of the knee fred flandry, md, facsw and gabriel hommel, md abstract. The knee joint is a modified hinge joint between the femur, tibia and patella. Through the use of magnetic resonance imaging, clinicians can diagnose ligament and meniscal injuries along with identifying cartilage defects, bone fractures and bruises. Relevant anatomy humeral head bony glenoid clavicle. 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. The images can be stored on a computer or printed on film. Expect to hold still for around 15 to 45 minutes, sometimes longer, while the machine makes images of your knee. These waves are then translated into images we can use for diagnosis. Injuries to the posterolateral corner structures of the knee can cause significant disability due to instability, cartilage degeneration, and cruciate graft failure. An overview of anatomy and imaging of the anterolateral.
459 169 917 1249 1003 464 893 1077 72 1290 529 238 554 642 917 1284 1498 980 894 921 6 227 429 928 445 889 1365 538 562 399 607 1453 986 647