The anterolateral ligament of the knee: a radiologic and histotopographic study

被引:39
作者
Macchi, Veronica [1 ]
Porzionato, Andrea [1 ]
Morra, Aldo [2 ]
Stecco, Carla [1 ]
Tortorella, Cinzia [1 ]
Menegolo, Mirco [3 ]
Grignon, Bruno [4 ]
De Caro, Raffaele [1 ]
机构
[1] Univ Padua, Inst Human Anat, Dept Mol Med, Via A Gabelli 65, I-35127 Padua, Italy
[2] Euganea Med Ctr, Sect Radiol, Via Colombo 3, Padua, Italy
[3] Univ Padua, Vasc & Endovasc Surg Clin, Padua, Italy
[4] CHU Nancy, Dept Anat & Guilloz Imaging, Nancy, France
关键词
Antero-lateral ligament; Magnetic resonance; Radiologic anatomy; Segond fracture; Knee; ANTERIOR CRUCIATE LIGAMENT; SEGOND FRACTURE; ANATOMY; RECONSTRUCTION; BIOMECHANICS; ASSOCIATION; BAND;
D O I
10.1007/s00276-015-1566-9
中图分类号
R602 [外科病理学、解剖学]; R32 [人体形态学];
学科分类号
100101 ;
摘要
Recent anatomic investigations of the lateral structures of the knee have rediscovered a ligament, called the antero-lateral ligament (ALL). Ten specimens of ALL (6 M, 4 F, mean age 82.3) were sampled from bodies of the Body Donation program of the University of Padova for histological and immuno-histochemical studies. Moreover, a retrospective magnetic resonance (MR) study was carried out in 50 patients (30 M, 20 F, mean age 37.5). MR exams with a normal anatomo-radiological report were selected. From the microscopic point of view the ALL corresponds to a dense connective tissue (mean thickness 893 +/- A 423 A mu m), and is composed by collagen I (90 %), collagen III (5 %) and collagen VI (3 %) and scarce elastic fibers (< 1 %). On MR exams, ALL appears as a thin linear structure, originating at the lateral epicondyle, running obliquely downwards and forwards, and inserting in the middle third (46 %) or inferior third (14 %) of lateral meniscus and in the lateral aspect of the proximal tibia. It was observed in 47 cases (93 %), with a mean length of 32 +/- A 4.6 mm and mean thickness of 1.1 +/- A 0.4 mm. The ALL showed low signal intensity on both T1- and T2-weighted sequences. The ALL shows the typical structure of a fibrous ligament. From the anatomo-radiological point of view the ALL is almost constantly depicted by routine 1.5-T MR scan.
引用
收藏
页码:341 / 348
页数:8
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