McCann P J, Brocklebank L M, Ayoub A F
University of Glasgow Dental School, Glasgow, UK.
Br J Oral Maxillofac Surg. 2000 Oct;38(5):525-9. doi: 10.1054/bjom.2000.0501.
Twenty-two patients were referred to the maxillofacial surgical unit for assessment and management of suspected fractures of the zygomatico-orbital complex. In each case, both routine plain radiographic and ultrasound examinations were made. The aim of the study was to investigate the sensitivity and reliability of ultrasound to detect such fractures. Imaging with ultrasound was carried out at five areas: the infraorbital margin; lateral wall of the maxillary sinus; zygomatic arch; frontozygomatic process; and orbital floor. Both radiographic and ultrasound findings were correlated with the findings at operation. An overall agreement of 85% between radiographs and ultrasound scans was found. Ultrasound imaging was most reliable at the lateral wall of the maxillary sinus, where the sensitivity was 94% and specificity 100%. The positive predictive value at this area was 100% compared with radiographic findings. We conclude that ultrasound is a useful tool in imaging facial trauma as an initial investigation, and can help to reduce the total number of radiographs required for the diagnosis of fractures of the zygomatico-orbital complex.
22名患者被转至颌面外科进行颧骨-眶复合体疑似骨折的评估与治疗。对每例患者均进行了常规X线平片和超声检查。本研究的目的是调查超声检测此类骨折的敏感性和可靠性。在五个区域进行超声成像：眶下缘；上颌窦外侧壁；颧弓；额颧突；以及眶底。X线片和超声检查结果均与手术所见相关。X线片与超声扫描的总体一致性为85%。超声成像在上颌窦外侧壁最可靠，其敏感性为94%，特异性为100%。与X线片结果相比，该区域的阳性预测值为100%。我们得出结论，超声作为初步检查手段，是面部创伤成像的有用工具，有助于减少颧骨-眶复合体骨折诊断所需的X线片总数。
