Magnetic resonance imaging clearly identifies the anterolateral ligament of the knee in slightly more than half of cases, being partially visible in most of them. In all cases, a tibial insertion is characterized.
Magnetic resonance neurography is a high-resolution imaging technique that allows evaluating different neurological pathologies in correlation to clinical and the electrophysiological data. The aim of this article is to present a review on the anatomy of the lumbosacral plexus nerves, along with imaging protocols, interpretation pitfalls, and most common pathologies that should be recognized by the radiologist: traumatic, iatrogenic, entrapment, tumoral, infectious, and inflammatory conditions. An extensive series of clinical and imaging cases is presented to illustrate key-points throughout the article.
The purpose of this review is to describe the anatomy and lesions affecting the peripheral portion of posterior horn of medial menisci (ramp lesions), along with illustrations and MRI cases. We will correlate imaging features with arthroscopic classification of ramp lesions. Also, postoperative and chronic changes related to meniscocapsular tears will be presented, as well as biomechanical consequences and treatment approach.
Focal bone lesions are not uncommon findings in the daily practice of radiology.
Therefore, it is essential to differentiate between lesions with aggressive,
malignant potential that require action and those that have no clinical
significance, many of which are variants or benign lesions, sometimes
self-limited and related to reactive processes. In some cases, a diagnostic
error can have catastrophic results. For example, a biopsy performed in a
patient with myositis ossificans can lead to an incorrect diagnosis of
sarcomatous lesions and consequently to mutilating surgical procedures. The
present study reviews the main radiological aspects of the lesions that are most
commonly seen in daily practice and have the potential to be confused with
aggressive, malignant bone processes. We also illustrate these entities by
presenting cases seen at our institution.
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