A new injection method for identifying the subpopliteal recess of the knee

IF 2.3 4区 医学 Q1 ANATOMY & MORPHOLOGY
Clinical Anatomy Pub Date : 2024-02-28 DOI:10.1002/ca.24144
Yoko Tabira, Akihiro Yamashita, Keishiro Kikuchi, Aya Han, Keigo Shimizu, Tatsuya Harano, Yuto Haikata, Eiko Inoue, Kunimitsu Nooma, Joe Iwanaga, Tsuyoshi Saga, Koichi Watanabe
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Abstract

The posterolateral region of the knee has a complex and diverse anatomy. Hydrarthrosis of the knee can potentially communicate with other parts of the joint space. The joint fluid distribution reflects anatomical communications between synovial spaces. To observe the continuity between the knee joint cavity and the surrounding bursa, we devised a dissection method with a new injection agent, an eosin-containing congealed liquid that spreads uniformly over the entire space. The purpose of this study was to perform a detailed examination of the subpopliteal recess (SPR) where a bursa connects to the knee joint capsule. We also reported the advantages of this new injection agent compared with conventional materials (latex and epoxy resin). Twenty-two formalin-fixed cadavers (34 knees), two N-vinyl-pyrrolidone (NVP)-fixed cadavers (4 knees), and two cadavers (3 knees) fixed by Thiel's method were used. After filling the knee joint space and SPR with eosin congealed liquid, the specimens were dissected to investigate the morphology of the SPR. In addition, three different types of injection agents were assessed. The SPR extended distally along the popliteus tendon. The SPR length was 22.64 ± 11.38 mm from the upper end of the lateral tibial condyle to the lower end of the depression. The existence of a fabellofibular ligament made the SPR significantly longer, but abrasion of the femoral articular cartilage did not affect the SPR. Furthermore, the relationship between the popliteus muscle and the SPR was classified into three types (types 1–3). Types 2 and 3 in which the SPR extended to the proximal tibiofibular joint may cause instability of the knee joint. The eosin congealed liquid was highly useful in many aspects, such as fluidity and injection workability. The new dissection method with eosin congealed liquid provides insights into the anatomy of the posterior lateral knee, which are useful for radiological diagnoses and clinical treatments.

用于识别膝关节腘窝下凹陷的新注射方法。
膝关节后外侧区域的解剖结构复杂多样。膝关节水肿有可能与关节间隙的其他部位相通。关节液的分布反映了滑膜间隙之间的解剖沟通。为了观察膝关节腔和周围滑囊之间的连续性,我们设计了一种使用新型注射剂的解剖方法,这种注射剂是一种含曙红的凝固液体,可均匀地扩散到整个空间。这项研究的目的是对滑囊与膝关节囊连接处的膝下凹(SPR)进行详细检查。我们还报告了这种新型注射剂与传统材料(乳胶和环氧树脂)相比的优势。我们使用了 22 具福尔马林固定的尸体(34 个膝关节)、2 具 N-乙烯基吡咯烷酮(NVP)固定的尸体(4 个膝关节)和 2 具用蒂尔法固定的尸体(3 个膝关节)。用曙红凝固液填充膝关节间隙和 SPR 后,解剖标本以研究 SPR 的形态。此外,还对三种不同类型的注射剂进行了评估。SPR沿腘绳肌腱向远端延伸。从胫骨外侧髁的上端到凹陷的下端,SPR的长度为22.64 ± 11.38 mm。腓骨韧带的存在使SPR明显变长,但股关节软骨的磨损并不影响SPR。此外,腘绳肌与 SPR 之间的关系被分为三种类型(1-3 型)。第2型和第3型的SPR延伸至胫腓关节近端,可能会导致膝关节不稳定。伊红凝固液在流动性和注射操作性等许多方面都非常有用。新的伊红凝固液解剖方法有助于了解膝关节后外侧的解剖结构,对放射学诊断和临床治疗很有帮助。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
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来源期刊
Clinical Anatomy
Clinical Anatomy 医学-解剖学与形态学
CiteScore
5.50
自引率
12.50%
发文量
154
审稿时长
3 months
期刊介绍: Clinical Anatomy is the Official Journal of the American Association of Clinical Anatomists and the British Association of Clinical Anatomists. The goal of Clinical Anatomy is to provide a medium for the exchange of current information between anatomists and clinicians. This journal embraces anatomy in all its aspects as applied to medical practice. Furthermore, the journal assists physicians and other health care providers in keeping abreast of new methodologies for patient management and informs educators of new developments in clinical anatomy and teaching techniques. Clinical Anatomy publishes original and review articles of scientific, clinical, and educational interest. Papers covering the application of anatomic principles to the solution of clinical problems and/or the application of clinical observations to expand anatomic knowledge are welcomed.
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