Weiss C, Mittelmeier M, Gruber G
Klinik für Orthopädie und Sportorthopädie, Technischen Universität München.
Ultraschall Med. 2000 Dec;21(6):284-6. doi: 10.1055/s-2000-9119.
To assess the usefulness of ultrasound in the diagnosis of rupture of the distal biceps brachii muscle by demonstrating the clear differentiation between the distal biceps muscle and the surrounding soft tissue in a standardized section of the elbow.
Under sonographic guidance five biceps muscles of three cadavers were marked with a needle in the region of the elbow joint. Thereafter an anatomical preparation of the distal biceps brachii muscle followed to verify the correct positioning of the needle. Real time ultrasound was performed with a 7.5 MHz linear array transducer. The standard section of the elbow and the images on the screen correspond to the guidelines provided by the German Society of Ultrasonography in the Locomotor Apparatus (DEGUM).
In all five cases the needle tip could be found in the middle of the distal biceps muscle. It was possible to perform a sonographically guided puncture of the muscle and to differentiate between distal biceps brachii and surrounding soft tissues using a high resolution transducer of the newest generation in ultrasound technology.
Our investigation confirmed our clinical ultrasound findings in distal biceps tendon ruptures. The echo-intense signal is replaced by a hypoechogenic signal representing the haematoma in the area of the distal biceps brachii muscle. In addition to the clinical examination in case of a ruptured distal biceps muscle ultrasound of the elbow is a valuable and reliable imaging method to support the diagnosis. MRI of the elbow is not always necessary to confirm the diagnosis.
通过在肘部标准切面中清晰显示肱二头肌远端与周围软组织的差异，评估超声在诊断肱二头肌远端肌肉断裂中的作用。
在超声引导下，对3具尸体的5条肱二头肌在肘关节区域用针进行标记。此后，对肱二头肌远端进行解剖制备，以验证针的正确位置。使用7.5MHz线性阵列换能器进行实时超声检查。肘部的标准切面及屏幕上的图像符合德国超声医学协会运动器官分会（DEGUM）提供的指南。
在所有5例中，针尖均位于肱二头肌远端中部。使用超声技术最新一代的高分辨率换能器，能够在超声引导下对肌肉进行穿刺，并区分肱二头肌远端与周围软组织。
我们的研究证实了我们在肱二头肌远端肌腱断裂中的临床超声检查结果。回声强的信号被代表肱二头肌远端区域血肿的低回声信号所取代。除了对肱二头肌远端断裂进行临床检查外，肘部超声是支持诊断的一种有价值且可靠的成像方法。肘部MRI并非总是确诊所必需的。
