Abstract
Purpose
To compare conventional radiography and magnetic resonance imaging (MRI) in the assessment
of epiphyseal and physeal injury.
Materials and methods
Seventeen cases with epiphyseal and physeal injury were examined with conventional
radiography and MRI. Two blinded experienced radiologists separately evaluated the
results retrospectively.
Results
Two Salter–Harris II fractures showed displacement of epiphysis and metaphyseal fragment,
as well as T1 hypointensity and T2 hyperintensity in the physis on MRI. Three Salter–Harris
IV fractures showed a fracture line in the epiphysis and metaphysis on two modalities,
as well as linear T2 hyperintensity in the physis. All five slipped epiphysis showed
signal intensity abnormality in the physis on MRI aside from the physeal widening
and epiphyseal displacement seen on radiographs. Seven patients with bony bridge formation
showed premature closure of the physis, shortening, and remodeling of the end of bones
involved.
Conclusions
Conventional radiography and MRI are both useful in the diagnosis of epiphyseal and
physeal injury. MRI can provide more detailed information, which could direct treatment
planning and prognosis predicting.
Keywords
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Article info
Publication history
Published online: March 02, 2009
Accepted:
November 30,
2008
Received:
July 1,
2008
Footnotes
☆The study was supported by a grant from the Science and Technology Foundation of Henan Province (No. 0124170107).
Identification
Copyright
© 2009 Elsevier Inc. Published by Elsevier Inc. All rights reserved.
