BONE BRUISES - THEIR PATTERNS AND SIGNIFICANCE

被引：33

作者：

NEWBERG, AH

WETZNER, SM

机构：

[1] Tufts University School of Medicine, Department of Radiology, New England Baptist Hospital, Boston, MA

来源：

SEMINARS IN ULTRASOUND CT AND MRI | 1994年 / 15卷 / 05期

关键词：

D O I：

10.1016/S0887-2171(05)80006-X

中图分类号：

R8 [特种医学]; R445 [影像诊断学];

学科分类号：

1002 ; 100207 ; 1009 ;

摘要：

MR imaging is sensitive in the detection of occult stress and posttraumatic fractures in and around the knee joint. In some patients, the pain from these bony injuries can mimic that of meniscal tears. The abnormality of the bone may explain completely the patient's symptoms and obviate the need for any further work-up. The types of injuries detected by MRI include bone bruises, stress or insufficiency fractures, and osteochondral fractures. Bone bruises or contusions are characterized by a diffuses or localized pattern of low signal intensity on T1-weighted images without a defined fracture. Blood, edema, hyperemia, and perhaps microfracture of the trabeculae may all contribute to the marrow signal alterations. Anterior cruciate ligament injuries often are accompanied by a characteristic bone contusion pattern, such as hemorrhage or edema in the posterior aspect of the lateral tibial plateau, as well as the anterior aspect of the lateral femoral condyle. © 1994 W.B. Saunders Company. All rights reserved.

引用

页码：396 / 409

页数：14

共 23 条

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