Changes in magnetic resonance imaging signal intensity in predicting complications during acute phase osteoporotic
Keiichiro Iida1, Hiromi Kumamaru1, Takeyuki Saito1
1Department of Orthopaedic Surgery, Kyushu University Beppu Hospital, 4546 Tsurumibaru, Beppu, Oita, 874-0838, Japan.
Purpose:
To demonstrate prediction of complications in osteoporotic vertebral fractures with magnetic resonance imaging (MRI) changes over time.
Methods:
MRI signal intensities in osteoporotic vertebral fractures were investigated according to the interval between onset and imaging as follows: 0-10 days (early), 11-20 days (middle), and 21-30 days (later).
Results:
The diffuse low pattern rates were 52%, 84%, and 95% and 20%, 24%, and 52% in the early, middle, and later periods on T1-WI and T2-WI, respectively.
Conclusions:
The diffuse low pattern increased with time. The MRI prediction of complications depends on the time phase.
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