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Stress reaction in left forefoot

Case Study
Connell, David, M.D. Imaging @ Olympic Park • Australia

Patient history

23-year-old AFL footballer complaining of chronic foot pain.

MR examination

Achieva 3.0T X-series with 8-channel SENSE Foot/Ankle coil.

Sagittal STIR, FOV 150 x 105 mm, 2 NSA, slice thickness 2.0 mm with 0.3 gap, voxel size of 0.48 x 0.61 x 2.0 mm, scan time 3:15 minutes.

This MR image of the mid foot, aligned – on an axial image – to the tarso-metatarsel joint articulations and tarsals, shows stress reaction of the dorsal aspect of the navicular that could not be seen with x-ray or on a 1.5T MRI system.


Stress reaction of the dorsal aspect of the navicular.
Treatment included application of an aircast boot and non-weight-bearing exercises.

Clinical impact of using Achieva 3.0T in sports medicine

Our MSK images show far more detail than comparable images taken on 1.5T systems. The higher signal at 3.0T allows to image with much thinner slices and higher resolution with no compromise on scanning speed.
A 1.5T MRI performed elsewhere failed to detect the cause of the chronic foot pain, and only because of the exceptional detail in the 3.0T images it was possible to see that this was a tiny stress fracture rather than bruising.

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Nov 17, 2011

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Case Study
Achieva 3.0T, Achieva 3.0T X-series
forefoot, Musculoskeletal, SENSE Foot/Ankle coil, stress reaction

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