Continuing education mri spectrum of medial collateral ligament injuries and pitfalls in diagnosis

Maeseneer, Michel De; Shahabpour, Maryam; Pouders, Caroline

doi:10.5334/jbr-btr.150

Cited by 13 publications

(18 citation statements)

References 7 publications

(5 reference statements)

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“…These short ligaments are secondary stabilizers of valgus, tight in extension and slack in flexion, but due to their short length and deep position, they may rupture before more superficial structures. 4,8,21,23 Isolated rupture of the meniscofemoral ligament does not lead to instability but can give rise to prolonged medial tenderness or pain 1,13,21 (►Figs. 10 and 11).…”

Section: Deep Medial Collateral Ligamentsmentioning

confidence: 99%

The Medial and Posteromedial Ligamentous and Capsular Structures of the Knee: Review of Anatomy and Relevant Imaging Findings

Pedersen¹

2016

Semin Musculoskelet Radiol

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The medial and posteromedial regions of the knee are important for knee stability but also frequently injured. Medial ligaments and capsule are primary and secondary stabilizers of valgus, rotation, and anterior and posterior translation. In the setting of rupture of the cruciate ligaments, it is important to identify injuries in this region because it can possibly alter the treatment strategy and even delay or prevent successful reconstruction of the cruciate ligaments. Injuries may occur to the superficial and deep medial collateral ligament, the posterior oblique ligament, the posteromedial capsule, and the semimembranosus tendon and its attachments. Meniscocapsular separation is associated with these injuries, and if normal movement of the meniscus and tension of the capsule and ligaments is altered, instability and eventually osteoarthritis may occur. Injuries to the posteromedial corner may be underdiagnosed. This article reviews the anatomy and imaging findings in the medial and posteromedial regions of the knee.

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Section: Deep Medial Collateral Ligamentsmentioning

confidence: 99%

The Medial and Posteromedial Ligamentous and Capsular Structures of the Knee: Review of Anatomy and Relevant Imaging Findings

Pedersen¹

2016

Semin Musculoskelet Radiol

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“…The medial collateral ligament bursa lies vertically between the superficial and deep layer of MCL [38–42]. MCL bursitis as an isolated finding is extremely rare, with most cases associated with arthritides and medial intra-articular pathology.…”

Section: Cyst-like Lesionsmentioning

confidence: 99%

“…MCL bursitis as an isolated finding is extremely rare, with most cases associated with arthritides and medial intra-articular pathology. MCL bursitis on MR images is demonstrated as a vertically elongated, well-defined fluid collection between the superficial and deep layer of the MCL [38–42]. Separate femoral and tibial components may be observed, and this has also been proved in cadaveric studies.…”

Section: Cyst-like Lesionsmentioning

confidence: 99%

MRI characteristics of cysts and “cyst-like” lesions in and around the knee: what the radiologist needs to know

Perdikakis¹,

Skiadas²

2013

Insights Imaging

108

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Objectives and MethodsA variety of benign cystic or “cyst-like” lesions may be encountered during a routine magnetic resonance imaging (MRI) of the knee. These lesions comprise a diverse group of entities from benign cysts to complications of underlying diseases. In addition, normal anatomic bursae and recesses may be misdiagnosed as an intra-articular cystic lesion when they are distended. However, the majority of the aforementioned lesions have characteristic MR appearances that allow a confident diagnosis, thus obviating the need for additional imaging or interventional procedures.ResultsThis article includes a comprehensive pictorial essay of the characteristic MRI features of common and uncommon benign cysts and “cyst-like” lesions in and around the knee joint.DiscussionFor accurate assessment of the “cystic structure”, a radiologist should be able to identify typical MRI patterns that contribute in establishing the correct diagnosis and thus guiding specific therapy and avoiding unwarranted interventional procedures such as biopsy or arthroscopy.Teaching points• Cystic lesions are common in knee MRI and the commonest, the Baker’s cyst, has an incidence of 38 %.• Synovial cysts, meniscal cysts, normal knee bursae and recesses have characteristic MR appearances.• Miscellaneous “cyst-like” lesions may require a more dedicated MR protocol for a correct diagnosis.

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“…The MCL, made up of superficial and deep bands, is the most commonly injured ligament in the knee [45,46]. Fortunately, the MCL has great potential for healing, and an isolated injury of the MCL can typically be managed conservatively [47].…”

Section: Medial Collateral Ligament and Posterolateral Cornermentioning

confidence: 99%

“…Although MR is excellent at evaluating the MCL, low-grade injuries are likely overestimated as fluid and edema around the MCL or within the MCL bursa can be seen with multiple other pathologies, including medial meniscal tears and osteoarthritis [48]. This medial compartment pathology can result in bulging of the MCL with fluid deep to the MCL that is reactive and not indicative of a sprain [46,48]. There is also a subset of patients with deep MCL injuries located typically at the proximal femoral attachment, which may have persistent pain despite conservative therapy and may benefit from surgery ( Fig.…”

Section: Medial Collateral Ligament and Posterolateral Cornermentioning

confidence: 99%

MRI of the Knee: What Do We Miss?

Simpfendorfer

Polster

2014

Curr Radiol Rep

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Magnetic resonance (MR) imaging is a commonly used tool when evaluating patients with acute knee injury or chronic knee pain. Although it has shown excellent accuracy in diagnosing knee pathology, there remain many potential pitfalls and missed lesions. These can be secondary to inherent technical limitations or artifacts related to MR. Also subtle pathology can be overlooked, and anatomic structures and associated variants can be misinterpreted as tears. In this article, we will review some of the more common misses or pitfalls that occur in the setting of sport-related injuries.

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Continuing education mri spectrum of medial collateral ligament injuries and pitfalls in diagnosis

Cited by 13 publications

References 7 publications

The Medial and Posteromedial Ligamentous and Capsular Structures of the Knee: Review of Anatomy and Relevant Imaging Findings

The Medial and Posteromedial Ligamentous and Capsular Structures of the Knee: Review of Anatomy and Relevant Imaging Findings

MRI characteristics of cysts and “cyst-like” lesions in and around the knee: what the radiologist needs to know

MRI of the Knee: What Do We Miss?

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