Multi-detector CT imaging in the postoperative orthopedic patient with metal hardware

被引：66

作者：

Vande Berg, Bruno ^{[1
]}

Malghem, Jacques ^{[1
]}

Maldague, Baudouin ^{[1
]}

Lecouvet, Frederic ^{[1
]}

机构：

[1] Clin Univ St Luc, Dept Radiol, B-1200 Brussels, Belgium

来源：

EUROPEAN JOURNAL OF RADIOLOGY | 2006年 / 60卷 / 03期

关键词：

computed tomography; artifacts; postoperative; spinal fusion; arthrodesis; fracture healing; joint replacement;

D O I：

10.1016/j.ejrad.2006.08.008

中图分类号：

R8 [特种医学]; R445 [影像诊断学];

学科分类号：

1002 [临床医学]; 100207 [影像医学与核医学]; 1009 [特种医学];

摘要：

Multi-detector CT imaging (MDCT) becomes routine imaging modality in the assessment of the postoperative orthopedic patients with metallic instrumentation that degrades image quality at MR imaging. This article reviews the physical basis and CT appearance of such metal-related artifacts. It also addresses the clinical value of MDCT in postoperative orthopedic patients with emphasis on fracture healing, spinal fusion or arthrodesis, and joint replacement. MDCT imaging shows limitations in the assessment of the bone marrow cavity and of the soft tissues for which MR imaging remains the imaging modality of choice despite metal-related anatomic distortions and signal alteration. (C) 2006 Elsevier Ireland Ltd. All rights reserved.

引用

页码：470 / 479

页数：10

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