Most commonly seen in shaft (diaphysis) posteriorly, also seen in proximal and distal tibia
CT:
HRCT shows cortical resorption cavity, localised geographic osteopenia
MR:
More sensitive than scintigraphy
High signal on T2, marrow edema, periosteal edema, multiple parallel straitions in the cortex, detached periosteum, thickened periosteum
Sensitivity of MR 88%, CT 42% and nuclear scan 74%
References:
Gaeta M et al. CT and MR Imaging Findings in Athletes with Early Tibial Stress Injuries: Comparison with Bone Scintigraphy Findings and Emphasis on Cortical Abnormalities. Radiology 2005;235:553-561
