Department of Physical Medicine and Rehabilitation, Korea University College of Medicine, 80 Guro-gu, Guro-dong, Seoul 152-703, Korea.
J Ultrasound Med. 2013 Oct;32(10):1747-52. doi: 10.7863/ultra.32.10.1747.
The aim of this study was to measure the degree of movement of the ulnar nerve in the cubital tunnel using sonography in patients with ulnar neuropathy at the elbow compared to a healthy control group.
We examined the ulnar nerve in the cubital tunnel using sonography with the elbow extended and then flexed in 26 patients with ulnar neuropathy and 13 control participants. The distance from the ulnar nerve to the skin, medial epicondyle, and tip of olecranon at the inlet of the cubital tunnel and the distance from the ulnar nerve to the skin and olecranon recess at the outlet of the cubital tunnel were measured when the elbow was extended and flexed, respectively. Displacement of the ulnar nerve during elbow extension and flexion between patients with ulnar neuropathy and controls was compared.
There was significantly greater displacement of the ulnar nerve to the medial epicondyle at the inlet of the cubital tunnel in the patients with ulnar neuropathy (mean ± SD, 4.22 ± 3.79 mm) compared to the controls (1.76 ± 1.51 mm) during elbow extension and flexion (P = .008).
A significantly greater degree of movement of the ulnar nerve occurs in patients with ulnar neuropathy at the elbow compared to healthy people, as determined by sonography.
本研究旨在通过超声检查测量肘管内尺神经在伸展和弯曲状态下的运动程度，比较肘管内尺神经病变患者与健康对照组之间的差异。
我们对 26 例肘管内尺神经病变患者和 13 例健康对照组进行了肘管内尺神经超声检查，分别在伸展和弯曲状态下测量尺神经到皮肤、内上髁和尺骨鹰嘴突入口处的距离，以及尺神经到皮肤和尺骨鹰嘴突出口处的距离。比较尺神经病变患者和对照组在伸展和弯曲状态下的尺神经位移。
尺神经病变患者在肘管入口处的尺神经向内侧髁的位移明显大于对照组（伸展和弯曲时的平均值 ± 标准差分别为 4.22 ± 3.79mm 和 1.76 ± 1.51mm，P =.008）。
与健康人相比，超声检查显示肘管内尺神经病变患者的尺神经运动程度明显更大。
