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患者男,26岁。主因“双肘关节活动弹响疼痛7年余”就诊。患者7年前无明显诱因出现双肘关节屈肘时弹响,伴疼痛,无神经放射痛,近年来加重。专科查体:双肘关节未见明显畸形,肘关节活动度正常,双肘关节伸直位时尺神经沟内触及尺神经,屈肘时尺神经滑脱至内侧髁前侧,肘关节曲时弹响阳性,伸肘功能正常。肌电图显示双前臂肌及手肌神经源性损伤。超声检查:肘关节伸直位静息状态下,尺神经位于尺神经沟内,可见局限增粗,粗约0.22cm,横
Male patient, 26 years old. The main reason “” double elbow sore sore pain more than 7 years "treatment. 7 years ago, there was no obvious incentive for patients with elbow flexion elbow, with pain, no radiation pain, increased in recent years. Expert examination: double elbow no obvious deformity, normal elbow mobility, double elbow extension when the ulnar nerve touched the ulnar nerve, ulnar nerve elbow flexion to the medial condyle anterior, elbow flexor time bomb Positive ring, elbow extension function is normal. EMG shows neurogenic damage in both forearm and hand muscles. Ultrasonography: Elbow extension at rest, ulnar nerve located in the ulnar nerve groove, showing limited thickening, roughly 0.22cm, horizontal