Head and Neck Imaging
Differential Diagnosis of Malignant Iliac Tumor with CT
Author：ZHU Juan, JIN Xin, JIN Yu-lian, et al.
affiliation：Department of Radiology, Capital Medical University Teaching Hospital Beijing Shi Jing Shan Hospital, Beijing 100043, China
PDFAbstract
Objective To study the CT feature and imaging finding of malignant iliac tumor, and improve the differential diagnosis of iliac tumor. Methods The imaging features of 33 cases of iliac tumor and tumor-like lesions, proved by pathology, were analyzed retrospectively. The mode of bone destruction, tumor margin, structure of lesion, and the size of soft tissue tumor were analyzed. Results (1) iliac malignant tumors had diverse types of pathology. Bone marrow-derived accounted for the most part, the majority of which showed osteolytic bone destruction and the formation of large soft tissue mass in the pelvis, The higher the degree of malignancy tend to invade the joints. (2) The mode of bone destruction of benign tumors and tumor-like lesions was expansion with clear boundary and hardening without significant soft tissue tumor, While osteochondroma and fibrous dysplasia had its characteristic imaging findings. Conclusion The imaging findings of iliac malignant tumors have their own characteristics, observation and comprehensive analysis will help to get the accurate diagnosis.
【Keyword】Ilium; Bone Tumors; Tomography, X-ray Computer
【Chart number】R445.2; R814.42
【Document Identification Number】A
【DOI】 10.3969/j.issn.1672- 5131.2015.07.032
Chinese journal of CT and MRI
th13Volume， th 7 Issue
2015Year07Month
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