临床骨科杂志2017，Vol.20Issue(3)：325-328,4.DOI:10.3969/j.issn.1008-0287.2017.03.022
骨梗死影像学表现与鉴别诊断
The different period imaging appearances and the differential diagnosis of bone infarction
苏仲生 1蔡琳 2王明 3马明 1刘让恒 1李勇鹏 1何婕1
作者信息
- 1. 庄浪县人民医院放射科,甘肃 平凉 744699
- 2. 天津市天津医院放射科,天津 300211
- 3. 兰州大学第二附属医院MR室,甘肃 兰州 730030
- 折叠
摘要
Abstract
Objective To explore the different period appearances characteristic and the differential diagnosis of the bone infarction,so as to improve accuracy of the bone infarction.Methods The 15 patients were undertaken the X-ray,CT and MRI examinations who diagnosed as the bone infarction by pathology and the follow-up examinations.The bone infarctions were divided into the early,mid-term,and terminal periods by their different imaging appearances.The characteristics were analyzed and concluded.Results In 15 patients,23 sites were involved,in which 6 patients were bilateral and 9 patients were unilateral.In early stage of 4 patients,there were no positive signs in X-ray or only the appearance of the bone trabecular vague,but in MRI,the infarction lesion appeared obvious abnormal signals such as same or high signals in T1WI and T2WI centrally,wriggle band of low signal in T1WI and high signal in T2WI peripherally.In 7 mid-stage patients,there were showed negative or not obvious patchy calcification in CT and X-ray films,and in MRI,there were seen centrally the same or little low signal in T1WI and same or little high signal in T2WI,and peripherally the clear irregular margin which were typically "map-like" and obvious "two-line signs" in fat-suppression T2WI.In 4 terminal stage patients,bone infarction lesions showed typical irregular and wriggle "plait sign" in X-ray and CT films and low-signal appearances in both T1WI and T2WI.Conclusions The different periods of bone infarction show different imaging appearances.MRI is sensitive than X-ray and CT for early stage,in our study,the mid-term X-ray and CT appearances are not obvious,and in terminal stage there are some typical signs in all X-ray,CT and MRI.So MRI is the best way to diagnose early bone infarction.关键词
骨梗死/X线片/CT/MRIKey words
bone infarction/X-ray/CT/MRI分类
医药卫生引用本文复制引用
苏仲生,蔡琳,王明,马明,刘让恒,李勇鹏,何婕..骨梗死影像学表现与鉴别诊断[J].临床骨科杂志,2017,20(3):325-328,4.
