Head and Neck Imaging
MRI Scan Characteristic Signs of the Radial Meniscal Tears
Author：JIN Hong-hui, NIE Guo-jun, ZHANG Cheng-hai,et al.,
affiliation：Department of Radiology, Bayi Orthopaedic Hospital of Chengdu Military Area Command, Chengdu 610011, Sichuan Province, China
PDFAbstract
Objective To study the MRI appearance of radial tear of meniscus. Methods Twenty-seven cases of radial tear of meniscus which were confirmed by arthroscopy were analyzed by MRI appearance. All patients were received MRI examination before operation. Results Twenty-seven cases (63.0%) of radial tears had typical fissure symptoms and crevicular walking signs. Twelve cases (44.4%) showed meniscal dissection, and eight cases (29.6%) showed disappearance of meniscus, and four cases (14.8%) showed a triangular truncation sign, and one case (3.7%) showed horizontal tear, and one case (3.7%) did not reflect abnormal MRI signal. Conclusion The most frequent location of radial meniscus tear was the midbody of lateral meniscus followed by the boundary of anterior horn and midbody of the lateral meniscus. The positive rate of cleft sign and marching cleft sign was the highest. Combined with multiple signs can greatly improve the diagnostic accuracy.
【Keyword】Menisci; Tibial; Lacerations; Magnetic Resonance Imaging
【Chart number】R322.7+2
【Document Identification Number】A
【DOI】1 0 . 3 9 6 9 / j . i s s n . 1 6 7 2 - 5131.2019.07.044
Chinese journal of CT and MRI
th17Volume， th 7 Issue
2019Year07Month
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