Frequency of the transverse ligament of the knee. Anatomical study with correlation by magnetic resonance imaging
DOI:
https://doi.org/10.31051/1852.8023.v14.n1.36591Keywords:
Anatomy, Knee joint , Menisci, Ligaments, ImagingAbstract
Introduction: The menisci are two fibrocartilages intended to improve coaptation between the articular surfaces of the femorotibial knee joint. In an inconsistent manner, these are united, at the level of their anterior horns, by the transverse ligament. In magnetic resonance imaging, the insertion of the transverse ligament can give rise to a false image (pitfall) of a tear of the anterior horn of the menisci, by generating a high signal line between the ligament and the anterior horn. The objective of the present work is to determine the frequency of the transverse ligament in cadaveric material and in magnetic resonance imaging. Materials and method: 35 knees were dissected fromadult corpses fixated in formaldehyde, of both sexes, 18 right and 17 left, without ostensible osteoarticular pathology. 195 magnetic resonances of the knees of adult patients, performed since January 2019 until October 2020 at the Hospital de Clínicas were reviewed. In both cases the frequency of the transverse ligament was recorded. Results: Cadaveric study: the transverse ligament was found in 25 cases (71.4%). Imaging study: 2 magnetic resonances had exclusion criteria. The transverse ligament was found in 105 cases (54.4%). Conclusion: The transverse ligament was found in more than half of the individuals studied, regardless of the method. This is relevant considering the clinical and imaging importance of the ligament.
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