radio-ulnar synostosis

例句：

1. 1. This patient has a radio-ulnar synostosis, which can cause pain and functional impairment in thehand.
   这位患者有尺骨桡骨融合畸形，这会导致手部疼痛和功能受损。
2. 2. In children with this condition, surgery is often necessary to correct the radio-ulnar synostosis.
   对于患有这种状况的儿童，手术往往是纠正尺骨桡骨融合畸形的必要手段。
3. 3. The diagnosis of radio-ulnar synostosis requires careful evaluation of the patient's hand function and imaging studies.
   诊断尺骨桡骨融合畸形需要仔细评估患者的手功能和影像学检查。