Myositis ossificans causing ulnar neuropathy: a case report |
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Authors: | Kyu Hwan Choi Sam-Guk Park Jong Hyun Baek Wonho Lee Min Cheol Chang |
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Institution: | 1.Department of Rehabilitation Medicine, College of Medicine, Yeungnam University, Daegu, Republic of Korea; 2.Department of Orthopaedic Surgery, College of Medicine, Yeungnam University, Daegu, Republic of Korea; 3.Department of Thoracic & Cardiovascular Surgery, College of Medicine, Yeungnam University, Daegu, Republic of Korea; 4.Department of Radiology, Topspine Hospital, Daegu, Republic of Korea |
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Abstract: | Myositis ossificans (MO) can compress peripheral nerves and cause neuropathy. We herein describe a patient with ulnar neuropathy caused by MO at the medial elbow. A 28-year-old man with a drowsy mentality and multiple organ damage following a traffic accident was admitted to our hospital. After 3 weeks of postoperative care, the patient’s mental status recovered. However, he complained of severe sharp pain in his left medial forearm and fourth and fifth fingers. He exhibited weak fifth finger abduction and wrist adduction. Severe elbow joint pain was elicited during range-of-motion testing of his left elbow. Ultrasound also showed an edematous, enlarged, hypoechoic ulnar nerve lying above the MO, and the MO outwardly displaced the ulnar nerve. Elbow radiographic examination, computed tomography, and magnetic resonance imaging revealed MO development and compression of the left ulnar nerve. The patient underwent surgery; the following day, his left medial forearm pain completely disappeared with slight improvement in the motor weakness of fifth finger abduction. Ultrasound is a useful tool to easily evaluate the presence of MO and compression of peripheral nerves caused by MO. |
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Keywords: | Myositis ossificans neuropathy nerve compression ultrasound elbow case report |
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