ABSTRACT
This article outlines the causes of bone marrow edema and classifies them by mechanism
into congestive, vasogenic, traumatic, and tumorigenic forms. In particular, the article
focuses on traumatic edema, emphasizing the differing patterns on the basis of mechanism
of injury, impaction, distraction, and shear-type injuries. Finally the article reviews
the impact of understanding mechanisms in image interpretation and in patient management.
KEYWORDS
Bone marrow edema - STIR - congestive - traumatic - tumorigenic - vasogenic
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Stephen J EustaceM.D. F.F.R.(RCSI)
Department of Radiology, Cappagh National Orthopaedic Hospital
Finglas, Dublin 11, Ireland
